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GMV6 DC Inverter VRF Units
(GC202001-I)
Capacity: 22.4kW~272.0kW
Rated Frequency: 50Hz & 60Hz
Operation Range: Cooling: -5~52°C
Heating: -30~24°C
Related Manuals for Gree GMV6 Series
Summary of Contents for Gree GMV6 Series
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Page 1
GMV6 DC Inverter VRF Units (GC202001-I) Capacity: 22.4kW~272.0kW Rated Frequency: 50Hz & 60Hz Operation Range: Cooling: -5~52°C Heating: -30~24°C… -
Page 2: Table Of Contents
Gree GMV6 DC Inverter VRF Units Service Manual Contents Chapter 1 Product …………………… 2 1 Unit List ……………………..2 2 Parameters ……………………3 3 The Range of Production Working Temperature …………. 10 Chapter 2 Commissioning ………………..11 1 Commissioning Process ………………..11 2 Safety Requirements ………………….
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Page 3
Thank you for purchasing GMV6 DC Inverter VRF Units. For correct operation, please read this manual carefully. This manual applies to GMV6 series VRF units. It clarifies the safety requirements, basic principles and implementation methods in engineering commissioning, troubleshooting, and after-sales maintenance. -
Page 4: Chapter 1 Product
Gree GMV6 DC Inverter VRF Units Service Manual Chapter 1 Product 1 Unit List 1.1 Basic Modules Product Code Model Power External view CN851W3030 GMV-224WM/G-X 380V-415V 3N~50Hz/60Hz CN851W3010 GMV-280WM/G-X 380V-415V 3N~50Hz/60Hz CN851W2820 GMV-335WM/G-X 380V-415V 3N~50Hz/60Hz CN851W2980 GMV-400WM/G-X 380V-415V 3N~50Hz/60Hz CN851W2990…
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Page 5: Parameters
Gree GMV6 DC Inverter VRF Units Service Manual 2 Parameters 2.1 Parameters of Basic Modules Model GMV-224WM/G-X GMV-280WM/G-X GMV-335WM/G-X GMV-400WM/G-X GMV-450WM/G-X Product Code CN851W3030 CN851W3010 CN851W2820 CN851W2980 CN851W2990 Cooling capacity 22.4 28.0 33.5 40.0 45.0 Heating capacity 25.0 31.5 37.5 45.0…
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Page 6
Gree GMV6 DC Inverter VRF Units Service Manual Model GMV-504WM/G-X GMV-560WM/G-X GMV-615WM/G-X GMV-680WM/G-X Cooling current input 22.0 24.7 29.0 36.6 Heating current input 23.1 23.4 30.2 35.9 Rated power input 26.30 26.85 27.41 27.41 Rated current Compressor type Inverter scroll… -
Page 7
Gree GMV6 DC Inverter VRF Units Service Manual Model GMV-735WM/G-X GMV-785WM/G-X GMV-839WM/G-X GMV-895WM/G-X Gas pipe Φ31.8 Φ31.8 Φ31.8 Φ31.8 Liquid pipe Φ19.05 Φ19.05 Φ19.05 Φ19.05 Outline dimensions 930×775×1690+ 930×775×1690+ 930×775×1690+ 930×775×1690+ (W × D × H) 1340×775×1690 1340×775×1690 1340×775×1690 1340×775×1690 Packing dimensions 1000×830×1855+… -
Page 8
Gree GMV6 DC Inverter VRF Units Service Manual Model GMV-1175WM/G-X GMV-1230WM/G-X GMV-1295WM/G-X GMV-1360WM/G-X Heating power input 13.1+16.9 16.9+16.9 16.9+20.1 20.1+20.1 Cooling current 24.7+29.0 29.0+29.0 29.0+36.6 36.6+36.6 input Heating current 23.4+30.2 30.2+30.2 30.2+35.9 35.9+35.9 input Rated power input 26.85+27.41 27.41+27.41 27.41+27.41 27.41+27.41… -
Page 9
Gree GMV6 DC Inverter VRF Units Service Manual Model GMV-1399WM/G-X GMV-1455WM/G-X GMV-1510WM/G-X GMV-1565WM/G-X Gross weight 230+310+365 225+365+365 225+365+365 230+365+365 Model GMV-1623WM/G-X GMV-1679WM/G-X GMV-1734WM/G-X GMV-1790WM/G-X 18+18+22 18+20+22 18+22+22 20+22+22 GMV-504WM/G-X+ GMV-504WM/G-X+ GMV-504WM/G-X+ GMV-560WM/G-X+ Combination mode GMV-504WM/G-X+ GMV-560WM/G-X+ GMV-615WM/G-X+ GMV-615WM/G-X+ GMV-615WM/G-X GMV-615WM/G-X… -
Page 10
Gree GMV6 DC Inverter VRF Units Service Manual Model GMV-1845WM/G-X GMV-1910WM/G-X GMV-1975WM/G-X GMV-2040WM/G-X Rated current 49+49+49 49+49+49 49+49+49 49+49+49 Cooling operation °C -5~52 -5~52 -5~52 -5~52 range Heating operation °C -30~24 -30~24 -30~24 -30~24 range Refrigerant type R410A R410A R410A… -
Page 11
Gree GMV6 DC Inverter VRF Units Service Manual Model GMV-2295WM/G-X GMV-2350WM/G-X GMV-2414WM/G-X GMV-2470WM/G-X 20+20+20+22 20+20+22+22 18+22+22+24 20+22+22+24 GMV-560WM/G-X+ GMV-560WM/G-X+ GMV-504WM/G-X+ GMV-560WM/G-X+ Combination mode GMV-560WM/G-X+ GMV-560WM/G-X+ GMV-615WM/G-X+ GMV-615WM/G-X+ GMV-560WM/G-X+ GMV-615WM/G-X+ GMV-615WM/G-X+ GMV-615WM/G-X+ GMV-615WM/G-X GMV-615WM/G-X GMV-680WM/G-X GMV-680WM/G-X Cooling capacity 229.5 235.0 241.4 247.0… -
Page 12: The Range Of Production Working Temperature
Gree GMV6 DC Inverter VRF Units Service Manual Model GMV-2525WM/G-X GMV-2590WM/G-X GMV-2655WM/G-X GMV-2720WM/G-X Cooling current 29.0+29.0+29.0+ 29.0+29.0+36.6+ 29.0+36.6+36.6+ 36.6+36.6+36.6+36.6 input 36.6 36.6 36.6 Heating current 30.2+30.2+30.2+ 30.2+30.2+35.9+ 30.2+35.9+35.9+ 35.9+35.9+35.9+ input 35.9 35.9 35.9 35.9 27.41+27.41+27.41+ 27.41+27.41+27.41+ 27.41+27.41+27.41 27.41+27.41+27.41+2 Rated power input 27.41…
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Page 13: Chapter 2 Commissioning
Gree GMV6 DC Inverter VRF Units Service Manual Chapter 2 Commissioning WARNING! Before performing operations (such as commissioning, maintenance, and repair) on the device, you need to shut down the unit and cut off the power, and use a relevant instrument to ensure that the voltage at the power input terminal is zero, and the power indicator on the main board is off.
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Page 14: Unit Commissioning
Gree GMV6 DC Inverter VRF Units Service Manual 3 Unit Commissioning 3.1 Preparation 3.1.1 Tools Name Picture Screwdrivers Spanner Hex key Pincers Vacuum pump Electronic balance Pressure gauge Multimeter…
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Page 15
Gree GMV6 DC Inverter VRF Units Service Manual 3.1.2 Files To record the installation and commissioning of the unit, all the following documents need to be prepared: minutes of the pre-commissioning scheme determining meeting, commissioning personnel record form, pre-commissioning checklist, commissioning data record form, and commissioning report. -
Page 16
Gree GMV6 DC Inverter VRF Units Service Manual Commissioning data record form Project name: Unit model: Debugger: Date: Rated capacity of Rated capacity of Total length of the the outdoor unit the indoor unit refrigerant pipe (kW): (kW): (m): Maximum drop… -
Page 17
Gree GMV6 DC Inverter VRF Units Service Manual 3.1.3 Checking NOTE! Items not complying with installation specifications need to be recorded in time as analysis basis for the test of the refrigerating system. Checklist before commissioning Checklist Before GMV6 Commissioning… -
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Gree GMV6 DC Inverter VRF Units Service Manual Checklist Before GMV6 Commissioning Category Item Reference Value Qualified Inspector Is the stop valve of each module — open to the maximum opening? At this time, the high and low pressures of the system… -
Page 19
Gree GMV6 DC Inverter VRF Units Service Manual Checklist Before GMV6 Commissioning Category Item Reference Value Qualified Inspector Does the communication cable material meet the unit design — requirements? Is the communication connection between outdoor unit modules — correct? Is the DIP switch of the master unit —… -
Page 20
Gree GMV6 DC Inverter VRF Units Service Manual Debugging must be carried out by a professional or under the guidance of a professional. Do not debug the air conditioning unit by yourself. All scattered objects, especially metal chips, wire ends and clamps, should be removed from the body. -
Page 21
Gree GMV6 DC Inverter VRF Units Service Manual (2) Install proprietary software to conduct the debugging through PC. Indoor and outdoor units’ parameters displayed simultaneously through PC software. (3) Use multi-functional debugger. (As for the detailed operation method for debugging, please refer to corresponding instruction manual.) -
Page 22
Gree GMV6 DC Inverter VRF Units Service Manual Instruction for each stage progress at the time of debugging Deubugging Progress code Status code — code LED1 LED2 LED3 Meaning Progress Display Display Display Code Code Code status status status ××/ The… -
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Gree GMV6 DC Inverter VRF Units Service Manual Instruction for each stage progress at the time of debugging Deubugging Progress code Status code — code LED1 LED2 LED3 Meaning Progress Display Display Display Code Code Code status status status 11_ reserved —… -
Page 24
Gree GMV6 DC Inverter VRF Units Service Manual 3.2.3 Debugging Through the Main Board of Outdoor Unit When conducting the debugging through the main board of outdoor unit, the main board has the following debugging operation functions. Step 1: Cover all the front panels of the outdoor unit and open the debugging window of each basic module. -
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Gree GMV6 DC Inverter VRF Units Service Manual After 30s of display, the automatic display is as follows; if press SW3 button within 30s, the display is as follows. The unit automatically enters the next step of debugging: Debugging code… -
Page 26
Gree GMV6 DC Inverter VRF Units Service Manual Debugging code Progress code Status code — LED1 LED2 LED3 Meaning Progress Display Display Display Code Code Code status status status The system has detected “communication malfunction between main control and inverter compressor driver”. -
Page 27
Gree GMV6 DC Inverter VRF Units Service Manual Debugging code Progress code Status code — LED1 LED2 LED3 Meaning Progress Display Display Display Code Code Code status status status The system detected that there’s no fault for 07_indoor unit’s indoor unit’s parts. Then… -
Page 28
Gree GMV6 DC Inverter VRF Units Service Manual If there is no refrigerant in the system or the amount of refrigerant does not meet the requirements for starting operation, the unit will display U4 “Refrigerant-lacking protection”, as shown below. The unit will enter into the next step. -
Page 29
Gree GMV6 DC Inverter VRF Units Service Manual Debugging code Progress code Status code — LED1 LED2 LED3 Meaning Progress Display Display Display Code Code status status status 12_reserved function — Step 16: After the unit debugging method is confirmed, the system automatically selects cooling or heating mode according to the ambient temperature. -
Page 30
Step 1: Install the commissioning software. Install the commissioning software on a PC, and connect the monitoring communication cable. (For details, see Gree Debugger.) Step 2: Cover all the front panels of the outdoor unit. Step 3: Set the master module. -
Page 31
Gree GMV6 DC Inverter VRF Units Service Manual LED1 LED2 LED3 Display status Function code Current process Display status Current status Display status Blinks Blinks Press the SW1 up button and the SW2 down button to select the corresponding basic module: 00 means all modules, 01~04 means module 1 to module 4. -
Page 32
Gree GMV6 DC Inverter VRF Units Service Manual Step 7: Click «Start» to enter the commissioning function Click «Start» to enter the commissioning function and the software automatically performs commissioning. » » indicates that commissioning is being performed on the phase and «… -
Page 33
Gree GMV6 DC Inverter VRF Units Service Manual For the phase with «OK» displayed, a manual confirmation is required for entering the next commissioning step. In processes «3 Confirm number of outdoor basic modules» and «4 Confirm the number of IDUs», if the number of online units is consistent with the actual number, click Confirm or wait for 30 seconds to go to the next process. -
Page 34
Gree GMV6 DC Inverter VRF Units Service Manual In step “8 Compressor preheating confirmation”, the current preheat time is directly displayed, as shown in the red box in the figure below. If the system currently detects that all the basic modules have… -
Page 35
Gree GMV6 DC Inverter VRF Units Service Manual » » indicates that commissioning is not passed on the phase and troubleshooting is required (after troubleshooting, the unit automatically enters the next step if no «OK» exists or click «OK» to enter the next step). -
Page 36
Gree GMV6 DC Inverter VRF Units Service Manual During commissioning, click «Stop» to stop commissioning and then click «Start» to continue commissioning till commissioning ends. «Back» and «Skip» are provided in «10 ODU valves check before startup». When an exception occurs in step 10, click «Back» to return to step 9 and then click «OK» in step 9 to perform commissioning again for step 10. -
Page 37
Gree GMV6 DC Inverter VRF Units Service Manual In step «11 Select charging method», the system automatically selects manual or auto charging mode. You can directly choose manual charging. If no operation is performed within 3 minutes, manual charging is automatically entered. -
Page 38
Gree GMV6 DC Inverter VRF Units Service Manual In step «13 Refrigerant charging running» is divided into trial running in manual charging cooling mode or manual charging heating mode. The system automatically determines and enables indoor unit cooling or forcibly enables indoor unit heating. When the system runs for 60 minutes without exception, it determines that the refrigerant is normal, the unit is shut down, and the commissioning is completed. -
Page 39
Gree GMV6 DC Inverter VRF Units Service Manual Note: During commissioning, users must listen to the operating sound of outdoor and indoor fans and compressors to check for exceptions. 3.2.5 Unit Commissioning by Using Multi-functional Debugger Step 1: Connect multi-functional debugger. For details, see the user manual of multi-functional debugger. -
Page 40
Gree GMV6 DC Inverter VRF Units Service Manual Step 5: During commissioning, multi-functional debugger shows the current process (step). In steps 3, 4, 8, and 12, click Confirm to go to the next step. In step 10, click Skip or Back. In steps 3, 4, 5, 6, and 7, you can view the details. -
Page 41
Gree GMV6 DC Inverter VRF Units Service Manual 3.2.7 Reference Values of Unit Normal Operation Parameters (Commissioning Check) Reference Values of Commissioning Parameters of the DC Inverter VRF Air-conditioning Unit Parameter Commissioning Item Unit Reference Value Remarks Name Outdoor ambient °C… -
Page 42
Gree GMV6 DC Inverter VRF Units Service Manual Reference Values of Commissioning Parameters of the DC Inverter VRF Air-conditioning Unit Parameter Commissioning Item Unit Reference Value Remarks Name ●In cooling mode, the opening of the Opening of the heating electronic expansion valve is heating 3000PLS;… -
Page 43: Unit Function Settings
Gree GMV6 DC Inverter VRF Units Service Manual 4 Unit Function Settings 4.1 DIP Switch Settings Master/ Capacity DIP switch Centralized controller Slave unit Code Name Meaning Default Setting Remarks Capacity DIP Defines the rated Depending on The DIP switch is set by the…
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Gree GMV6 DC Inverter VRF Units Service Manual Address No. DIP1 DIP2 DIP3 DIP4 DIP5 × × × × × × × × × × × × × × × Note: DIP switch at the ON end indicates 0; ①… -
Page 45
Gree GMV6 DC Inverter VRF Units Service Manual 4.1.4 DIP Switch Examples (1) DIP switch position description DIP switch at the ON end indicates 0; DIP switch at the other end indicates 1. The white lever is DIP switch position. -
Page 46
Gree GMV6 DC Inverter VRF Units Service Manual 4.2.2 Function Description Default Setting Function Function Name Description Remarks Code Code Meaning This function is automatically started during maintenance. Based Refrigerant on the system pressure change, This function can — —… -
Page 47
Gree GMV6 DC Inverter VRF Units Service Manual 4.2.3 Function Operations Before setting every function, perform the following steps to select the function you want to set. The following premise steps will not be repeated. Premise steps for function setting: Step 1: Open the commissioning window on the main board of the master unit. -
Page 48
Gree GMV6 DC Inverter VRF Units Service Manual After selecting the function to be set, press the SW3 confirm button to enter the function setting. The master module displays as follows: LED1 LED2 LED3 Function Name Function Display Current Display… -
Page 49
Gree GMV6 DC Inverter VRF Units Service Manual Basic Module Model Maximum Amount of Refrigerant to Be Recycled GMV-680WM/G-X 13.0 Refrigerant recycle can be divided to two modes: fault module refrigerant recycle and indoor unit pipeline refrigerant recycle. Refrigerant Recycle… -
Page 50
Gree GMV6 DC Inverter VRF Units Service Manual Note: After refrigerant recycle, the system cannot be restarted within 10 minutes. Basic module refrigerant recycle: Step 3: Set the basic module that needs refrigerant recycle to emergency status, close the liquid… -
Page 51
Gree GMV6 DC Inverter VRF Units Service Manual LED1 LED2 LED3 Current Function code Display status Display status Current status Display status process/mode Blinks Blinks Blinks Blinks Blinks Blinks Blinks Blinks Step 3: After selecting the mode, press the SW3 confirm button. The master module displays as… -
Page 52
Gree GMV6 DC Inverter VRF Units Service Manual Silence Mode Code Noise Level Mode 10 Low noise Mode 11 Medium-low noise Mode 12 Ultra low noise Note: After a silence mode is set, the system capability will be attenuated. Therefore, the noise and the capability need to be balanced when a silence mode is selected. -
Page 53
Gree GMV6 DC Inverter VRF Units Service Manual Press the SW4 back button on the master module to return to the previous process or exit the function setting status. The default status is 00, that is, no silence. 4.2.3.4 A8 After-Sales Vacuum Pumping Mode… -
Page 54
Gree GMV6 DC Inverter VRF Units Service Manual LED1 LED2 LED3 Current Function code Display status Display status Current status Display status process/mode Blinks Blinks Blinks Blinks Step 3: After selecting the mode, press the SW3 confirm button. The master unit displays as follows:… -
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Gree GMV6 DC Inverter VRF Units Service Manual Note: After the capability limit is set, the cooling or heating effect is correspondingly reduced. Setting steps: Step 1: Enter n4 maximum output capability limit setting, and ensure that the master unit displays… -
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Gree GMV6 DC Inverter VRF Units Service Manual Step 2: Press the SW3 confirm button to send the engineering number offset instruction. The master module displays as follows: LED1 LED2 LED3 Current Function code Display status Display status Current status… -
Page 57
Gree GMV6 DC Inverter VRF Units Service Manual button. The master module displays as follows: LED1 LED2 LED3 Function code Display status Mode Display status Current status Display status Each basic module memorizes this setting and does not clear it even upon power failure and power- on again. -
Page 58
Gree GMV6 DC Inverter VRF Units Service Manual 4.2.3.11 C8 Compressor Failure Emergency Operation This function is after-sales emergency setting when a compressor works abnormally. It shields the abnormal compressor in a short time to ensure the emergency operation of other compressors. -
Page 59
Gree GMV6 DC Inverter VRF Units Service Manual The compressor emergency operation mode is valid only in single-module multi-compressor ② system; The default status is 00. ③ The system cannot run continuously for more than 24 hours in compressor emergency ④… -
Page 60
Gree GMV6 DC Inverter VRF Units Service Manual LED1 LED2 LED3 Module Description Module address failure/indoor unit Module status failure System running-fan emergency operation status System standby-fan emergency operation status NOTES! This function is applicable only to dual-fan models; ①… -
Page 61
Gree GMV6 DC Inverter VRF Units Service Manual LED1 LED2 LED3 Function code Display status Mode Display status Current status Display status Modules not shielded display as follows: LED1 LED2 LED3 Function code Display status Mode Display status Current status Display status Press the SW4 back button. -
Page 62
Gree GMV6 DC Inverter VRF Units Service Manual The master unit memorizes this setting and does not clear it even upon power failure and power-on again. The control is valid by default. 4.2.3.15 1C Continuous Heating Setting steps: Enter the function setting. The master unit displays as follows by default, and other basic modules… -
Page 63
Gree GMV6 DC Inverter VRF Units Service Manual LED1 LED2 LED3 Function code Display status Current process Display status Current status Display status The master unit memorizes this setting and does not clear it even upon power failure and power-on again. -
Page 64
Gree GMV6 DC Inverter VRF Units Service Manual After selecting the corresponding mode, press the SW3 confirm button. The master module displays as follows: LED1 LED2 LED3 Function code Display status Current process Display status Current status Display status The master unit memorizes this setting and does not clear it even upon power failure and power-on again. -
Page 65
Gree GMV6 DC Inverter VRF Units Service Manual 4.2.3.20 5L Fan Reverse Dust Removal Setting steps: Enter the function setting. The master unit displays as follows by default, and other basic modules display normal working status: LED1 LED2 LED3 Function code… -
Page 66
Gree GMV6 DC Inverter VRF Units Service Manual The master unit memorizes this setting and does not clear it even upon power failure and power-on again. The default value is 00. Mode 00 indicates that this function is off, and 01 indicates that this function is on. -
Page 67
Gree GMV6 DC Inverter VRF Units Service Manual High pressure protection Inverter compressor over-current protection Current detection circuit fault of the inverter Low pressure protection compressor driver Loss of synchronization protection for the Lack-of-refrigerant protection inverter compressor Communication fault between the primary… -
Page 68
Gree GMV6 DC Inverter VRF Units Service Manual 4.2.4.2 n7 Parameter Query Press the SW1 up button and the SW2 down button to select parameter query. The master unit displays as follows: LED1 LED2 LED3 Function Code Display status Current process/mode… -
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Gree GMV6 DC Inverter VRF Units Service Manual Parameter Code Parameter Name Remarks The integer value is used, and the wired controller Current of compressor 4 does not query. The integer value is used, and the wired controller Current of compressor 5 does not query. -
Page 70
Gree GMV6 DC Inverter VRF Units Service Manual Press the SW3 confirm button on the master unit to confirm the selection. The master unit displays as follows, and other modules normally display the corresponding status: LED1 LED2 LED3 Current Function Code… -
Page 71
Gree GMV6 DC Inverter VRF Units Service Manual LED1 LED2 LED3 Function Code Display status Current process/mode Display status Current status Display status Blinks Blinks Blinks Press the SW3 confirm button on the master unit to enter the next level of menu. The module displays… -
Page 72
Gree GMV6 DC Inverter VRF Units Service Manual LED1 LED2 LED3 Parameter code Display status Parameter code Display status Parameter code Display status Blinks Blinks ↓ LED1 LED2 LED3 Parameter code Display status Parameter code Display status Parameter code Display status ↓… -
Page 73
Gree GMV6 DC Inverter VRF Units Service Manual LED1 LED2 LED3 Address Display Function Display Display Meaning Status code code status code status status Restoration to default Blinks for 3 settings 1 seconds At this time, the system clears all settings, but stores engineering numbers of the indoor and outdoor units, quantities of the indoor and outdoor units, and commissioning completion status. -
Page 74: Chapter 3 Faults
Gree GMV6 DC Inverter VRF Units Service Manual Chapter 3 Faults 1 Error Indication Error Error Content Content — Code Code Malfunction of IDU Protection of indoor fan Auxiliary heating protection Water-full protection Abnormal Power for wired controller Freeze prevention protection…
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Page 75
Gree GMV6 DC Inverter VRF Units Service Manual Error Error — Content Content Code Code Malfunction of ODU High-pressure protection Discharge low-temperature protection Low-pressure protection High discharge temperature protection of Drive IPM low temperature protection compressor Main board of ODU is poor… -
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Gree GMV6 DC Inverter VRF Units Service Manual Error Error — Content Content Code Code Over-current protection of inverter Drive IPM module protection of compressor compressor Malfunction of drive temperature sensor of Drive IPM high temperature protection of compressor compressor… -
Page 77
Gree GMV6 DC Inverter VRF Units Service Manual Error Error — Content Content Code Code Wrong setting of ODU’s capacity Preheat time of compressor is insufficient code/jumper cap Power phase sequence protection Refrigerant-lacking protection Wrong address for driving board of… -
Page 78: Troubleshooting
Gree GMV6 DC Inverter VRF Units Service Manual 2 Troubleshooting WARNING! When troubleshooting the modular units, make sure that all outdoor units are powered off and powered on at the same time. Avoid doing so to only some of the outdoor units.
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Page 79
Gree GMV6 DC Inverter VRF Units Service Manual Possible causes: — Troubleshooting: not required. 2.5 «A6» Cooling and Heating Function Settings State Fault display: main board of outdoor unit displays Fault diagnosis: This is a status code. It indicates that the system has entered cooling and heating function settings state. -
Page 80
Gree GMV6 DC Inverter VRF Units Service Manual Possible causes: — Troubleshooting: not required. 2.10 «AF» Fan State Fault display: main board of outdoor unit displays Fault diagnosis: This is a status code. It indicates that the system has entered the fan mode. In this case, all the indoor units operate only in fan mode. -
Page 81
Gree GMV6 DC Inverter VRF Units Service Manual Fault diagnosis: This is a status code. It indicates that the unit is in emergency stop status through remote centralized control, and it cannot be started unless such state is disabled. Possible causes: — Troubleshooting: not required. -
Page 82
Gree GMV6 DC Inverter VRF Units Service Manual «b1» Outdoo r A mb ient Temperature Sen sor Fault Whether th e i nter face terminal between the main boa rd and Remove the foreign temperature sensor gets loose or matters and plug it tightly… -
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Gree GMV6 DC Inverter VRF Units Service Manual «b2» Defrosting Temperature Sen sor 1 Fault Whether th e i nter face terminal between the main boa rd and Remove the foreign temperature sensor gets loose or matters and plug it tightly… -
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Gree GMV6 DC Inverter VRF Units Service Manual «b3» Defrosting Temperature Sen sor 2 Fault Whether th e i nter face terminal between the main boa rd and Remove the foreign temperature sensor gets loose or matters and plug it tightly… -
Page 85
Gree GMV6 DC Inverter VRF Units Service Manual «b4» Sub coo ler’s Li quid Outlet Tempe ratu re Sensor Fault Whether th e i nter face terminal between the main boa rd and Remove the foreign temperature sensor gets loose or… -
Page 86
Gree GMV6 DC Inverter VRF Units Service Manual «b5» Sub coo ler’s G as Outlet Tempe ratu re Sensor Fault Whether th e i nter face terminal between the main boa rd and Remove the foreign temperature sensor gets loose or… -
Page 87
Gree GMV6 DC Inverter VRF Units Service Manual «b6» Suction Te mp erature Sen sor 1 Fault Whether th e i nter face Remove the foreign terminal between the main boa rd and temperature sensor gets loose or matters and plug it tightly… -
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Gree GMV6 DC Inverter VRF Units Service Manual «b7» Suction Te mp erature Sen sor 2 Fault Whether th e i nter face terminal between the main boa rd and Remove the foreign temperature sensor gets loose or matters and plug it tightly… -
Page 89
Gree GMV6 DC Inverter VRF Units Service Manual «b8» Outdoo r Humidity Sen sor Fault Whether th e i nter face terminal between the main boa rd and Remove the foreign temperature sensor gets loose or matters and plug it tightly… -
Page 90
Gree GMV6 DC Inverter VRF Units Service Manual «b9» Heat E xchang er’s G as Outlet Tempe ratu re Sensor Fault Whether th e i nter face terminal between the main boa rd and Remove the foreign temperature sensor gets loose or… -
Page 91
Gree GMV6 DC Inverter VRF Units Service Manual «bA» Oil Return Temperature Sen sor Fault Whether th e i nter face terminal between the main boa rd and Remove the foreign temperature sensor gets loose or matters and plug it tightly… -
Page 92
Gree GMV6 DC Inverter VRF Units Service Manual «C0» Communication Fault Between Indoor and Outdoor Units and Between Indoor Unit and Wired Controller Whether the communication cables between the main control board of the Connect the communication outdoor unit and the indoor unit and between… -
Page 93
Gree GMV6 DC Inverter VRF Units Service Manual ■ The main board operates improperly. Troubleshooting: «C2» Communication Fault Between the Primary Controller and Inverter Compressor Driver Whether the communication cables between the main board of outdoor Connect the communication unit and inverter compressor drive board… -
Page 94
Gree GMV6 DC Inverter VRF Units Service Manual «C3» Communication Fault Between the Primary Controller and Inverter Fan Driver Whether the communication cables between the main board of outdoor Connect the communication unit and inverter fan drive board cables properly… -
Page 95
Gree GMV6 DC Inverter VRF Units Service Manual «C4» Indoor Unit Loss Fault Whether all the indoor Power on the units units are energized? Whether the communication cables of disconnected indoor units Connect the communication (in this case the disconnected cables properly indoor units display «C0») are… -
Page 96
Gree GMV6 DC Inverter VRF Units Service Manual display Fault diagnosis: The unit detects the number of online outdoor modules in real time. When it detects that the number of current modules is inconsistent with the number of modules previously commissioned and memorized, the unit will report the fault and stop working. -
Page 97
Gree GMV6 DC Inverter VRF Units Service Manual indicating that the unit’s fan has entered emergency operation. Possible causes: — Troubleshooting: not required. 2.35 «CA» Emergency Operation of Module Fault display: main board of outdoor unit displays Fault diagnosis: If any module is set to emergency operation mode, the main board displays the code during the operation, indicating that the unit’s module has entered emergency operation. -
Page 98
Gree GMV6 DC Inverter VRF Units Service Manual 2.38 «CC» No Master Units Fault Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The main board detects the master DIP switch (SA8) and determines whether it is the master. -
Page 99
Gree GMV6 DC Inverter VRF Units Service Manual «CF» Multi-master Units Fault Make sure that o nly one maste r Whether DIP switch is diale d unit exi sts in the networ k. Afte r prop erly for th e master u nit (SA8) -
Page 100
Gree GMV6 DC Inverter VRF Units Service Manual 2.41 «CP» Fault of Multiple Main Wired Controllers Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: Two or more wired controllers in an HBS network are main wired controllers. -
Page 101
Gree GMV6 DC Inverter VRF Units Service Manual «Cb» IP A ddress Assignment O ver flow Is th e p roblem so lve d afte r the indoo r a nd outdoor units are power ed o ff a nd powered… -
Page 102
Gree GMV6 DC Inverter VRF Units Service Manual «d3» Ambien t Temp erature Sen sor Fault Whether th e i nter face terminal between the main boa rd Remove the foreign and ambie nt temperature sensor g ets loose matters and plug it tightly… -
Page 103
Gree GMV6 DC Inverter VRF Units Service Manual «d4» Inlet Pi pe Tempe ratu re Sen sor Fault Whether th e i nter face terminal between the main boa rd Remove the foreign and inl et pipe temperature sensor gets loose… -
Page 104
Gree GMV6 DC Inverter VRF Units Service Manual «d6» Outlet P ipe Temperature Sen sor Fault Whether th e i nter face terminal between the main boa rd and outlet Remove the foreign pipe temperature sensor gets loose or matters and plug it tightly… -
Page 105
Gree GMV6 DC Inverter VRF Units Service Manual «d7» Humidity Sen sor Fault Whether th e i nter face terminal between the main boa rd Remove the foreign and hu mid ity sen sor gets lo ose or matters and plug it tightly… -
Page 106
Gree GMV6 DC Inverter VRF Units Service Manual «d9» Jumper Ca p Fau lt Whether th e j ump er cap is proper ly Install the jumper ca p installed at the jump silk screen on the main boar d? -
Page 107
Gree GMV6 DC Inverter VRF Units Service Manual 2.52 «dH» Abnormal Circuit Board of Wired Controller Fault display: wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The wired controller’s IIC communication is abnormal. Possible causes: ■… -
Page 108
Gree GMV6 DC Inverter VRF Units Service Manual «dC» Abn ormal Setting s of DIP Switch for Ca pacity Whether th e DIP switch for capacity on th e main bo ard is dial ed Redial the DIP switch to a n in cor rect positi on? -
Page 109
Gree GMV6 DC Inverter VRF Units Service Manual 2.55 «dE» Indoor CO2 Sensor Fault (Reserved) 2.56 «db» Engineering Commissioning Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: This is a status code but not a fault code. It indicates that the unit is being commissioned and the indoor unit is not operational. -
Page 110
Gree GMV6 DC Inverter VRF Units Service Manual E1 System Overpressure Pro tection Whether the high pressure of the unit Whether th e h igh pressu re Replace th e main bo ard of (measured by the external switch operates p roperly? -
Page 111
Gree GMV6 DC Inverter VRF Units Service Manual 2.58 «E2» Protection in Case of Too Low Air Discharge Temperature of Compressor Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: When the difference between the air discharge temperature of compressor and the temperature at the high pressure is below 10°C, the unit stops running to ensure safe operation. -
Page 112
Gree GMV6 DC Inverter VRF Units Service Manual able to reset the unit normally, inspect other parts of the unit. Step 4: Check whether the refrigerant is added in accordance with the design requirements, as excessive refrigerant may trigger system protection. -
Page 113
Gree GMV6 DC Inverter VRF Units Service Manual «E3» System Low Pressure Protection Does the low A fault occurs in the low pressure (measured by the pressure sensor. pressure gauge) reach the Replace the pressure sensor protection value? Add the refrigerant by the… -
Page 114
Gree GMV6 DC Inverter VRF Units Service Manual 2.60 «E4» Protection in Case of Too High Air Discharge Temperature of Compressor Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: When the compressor’s discharge temperature detected by the temperature sensors on the discharge pipes and on the top of the compressor is above 118°C, the unit stops running to ensure safe… -
Page 115
Gree GMV6 DC Inverter VRF Units Service Manual 2.61 «F0» Poor Main Board of Outdoor Unit Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: Check whether the address chip, memory chip and clock chip of the main board of the outdoor unit can be read properly. -
Page 116
Gree GMV6 DC Inverter VRF Units Service Manual 2.62 «F1» High-pressure Sensor Fault Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The sensor detection circuit samples the AD value of high pressure sensor and determines the range of AD value. -
Page 117
Gree GMV6 DC Inverter VRF Units Service Manual 2.63 «F3» Low Pressure Sensor Fault Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The sensor detection circuit samples the AD value of low pressure sensor and determines the range of AD value. -
Page 118
Gree GMV6 DC Inverter VRF Units Service Manual 2.64 «F5» Discharge Temperature Sensor Fault of Compressor 1 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The temperature sensor detection circuit samples the AD value of temperature sensor and determines the range of AD value. -
Page 119
Gree GMV6 DC Inverter VRF Units Service Manual 2.65 «F6» Discharge Temperature Sensor Fault of Compressor 2 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The temperature sensor detection circuit samples the AD value of temperature sensor and determines the range of AD value. -
Page 120
Gree GMV6 DC Inverter VRF Units Service Manual 2.66 «F7» Discharge Temperature Sensor Fault of Compressor 3 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The temperature sensor detection circuit samples the AD value of temperature sensor and determines the range of AD value. -
Page 121
Gree GMV6 DC Inverter VRF Units Service Manual 2.67 «F8» Discharge Temperature Sensor Fault of Compressor 4 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The temperature sensor detection circuit samples the AD value of temperature sensor and determines the range of AD value. -
Page 122
Gree GMV6 DC Inverter VRF Units Service Manual 2.68 «F9» Discharge Temperature Sensor Fault of Compressor 5 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The temperature sensor detection circuit samples the AD value of temperature sensor and determines the range of AD value. -
Page 123
Gree GMV6 DC Inverter VRF Units Service Manual 2.69 «FA» Discharge Temperature Sensor Fault of Compressor 6 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The temperature sensor detection circuit samples the AD value of temperature sensor and determines the range of AD value. -
Page 124
Gree GMV6 DC Inverter VRF Units Service Manual 2.70 «FH» Abnormal Current Sensor of Compressor 1 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The circuit detection circuit samples the AD value and determines the range of AD value. When the sampled AD value exceeds the limits for 3 consecutive seconds, the fault is generated. -
Page 125
Gree GMV6 DC Inverter VRF Units Service Manual 2.71 «FC» Abnormal Current Sensor of Compressor 2 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The circuit detection circuit samples the AD value and determines the range of AD value. When the sampled AD value exceeds the limits for 3 consecutive seconds, the fault is generated. -
Page 126
Gree GMV6 DC Inverter VRF Units Service Manual 2.72 «FL» Abnormal Current Sensor of Compressor 3 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The circuit detection circuit samples the AD value and determines the range of AD value. When the sampled AD value exceeds the limits for 3 consecutive seconds, the fault is generated. -
Page 127
Gree GMV6 DC Inverter VRF Units Service Manual 2.73 «FE» Abnormal Current Sensor of Compressor 4 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The circuit detection circuit samples the AD value and determines the range of AD value. When the sampled AD value exceeds the limits for 3 consecutive seconds, the fault is generated. -
Page 128
Gree GMV6 DC Inverter VRF Units Service Manual 2.74 «FF» Abnormal Current Sensor of Compressor 5 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The circuit detection circuit samples the AD value and determines the range of AD value. When the sampled AD value exceeds the limits for 3 consecutive seconds, the fault is generated. -
Page 129
Gree GMV6 DC Inverter VRF Units Service Manual 2.75 «FJ» Abnormal Current Sensor of Compressor 6 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The circuit detection circuit samples the AD value and determines the range of AD value. When the sampled AD value exceeds the limits for 3 consecutive seconds, the fault is generated. -
Page 130
Gree GMV6 DC Inverter VRF Units Service Manual 2.76 «FU» Shell Roof Temperature Sensor Fault of Compressor 1 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The temperature sensor detection circuit samples the AD value of temperature sensor and determines the range of AD value. -
Page 131
Gree GMV6 DC Inverter VRF Units Service Manual 2.77 «Fb» Shell Roof Temperature Sensor Fault of Compressor 2 Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The temperature sensor detection circuit samples the AD value of temperature sensor and determines the range of AD value. -
Page 132
Gree GMV6 DC Inverter VRF Units Service Manual 2.78 «H0» Fan Drive Board Fault Fault display: wired controller of indoor unit displays Fault diagnosis: Check the fault code displayed on the wired controller of the indoor unit. If the wired controller displays HO, check the fault code displayed on the 2-digit digital LED of the main control board of the outdoor unit, based on which you are able to identify the specific fault of the fan drive board. -
Page 133
Gree GMV6 DC Inverter VRF Units Service Manual ■ Inverter fan over-current protection (2-digit digital LED of the main control board of the outdoor unit displays H5); ■ Communication fault of fan drive (2-digit digital LED of the main control board of the outdoor unit displays C3). -
Page 134
Gree GMV6 DC Inverter VRF Units Service Manual 2.81 «H3» Reset Protection for the Fan Drive Module Fault display: wired controller of indoor unit displays Fault diagnosis: If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is H3, it indicates the reset protection for the fan drive board. -
Page 135
Gree GMV6 DC Inverter VRF Units Service Manual 2.82 «H5» Inverter Fan Over-current Protection Fault display: main board of outdoor unit displays Fault diagnosis: If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is H5, it indicates the over-current protection for the inverter fan. -
Page 136
Gree GMV6 DC Inverter VRF Units Service Manual 2.83 «H6» IPM Module Protection for Fan Drive Fault display: main board of outdoor unit displays Fault diagnosis: If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is H6, it indicates the IPM module protection for the fan drive. -
Page 137
Gree GMV6 DC Inverter VRF Units Service Manual 2.84 «H7» Temperature Sensor Fault of Fan Drive Fault display: main board of outdoor unit displays Fault diagnosis: If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is H7, it indicates the temperature sensor fault for the fan drive. -
Page 138
Gree GMV6 DC Inverter VRF Units Service Manual 2.85 «H8» IPM Over Temperature Protection for Fan Drive Fault display: main board of outdoor unit displays Fault diagnosis: If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is H8, it indicates the IPM over temperature protection for the fan drive. -
Page 139
Gree GMV6 DC Inverter VRF Units Service Manual 2.86 «H9» Loss of Synchronization Protection for Inverter Fan Fault display: main board of outdoor unit displays Fault diagnosis: If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is H9, it indicates the loss of synchronization protection for the inverter fan. -
Page 140
Gree GMV6 DC Inverter VRF Units Service Manual 2.87 «HC» Current Detection Circuit Fault of Fan Drive Fault display: main board of outdoor unit displays Fault diagnosis: If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is HC, it indicates the current detection circuit fault of fan drive. -
Page 141
Gree GMV6 DC Inverter VRF Units Service Manual «HH» Over Voltage Pro tection for the DC Bus of Fan Drive Whether th e i nput voltage of the unit Chang e the volta ge to exceeds 460V? 380V The fan dr ive boa rd is… -
Page 142
Gree GMV6 DC Inverter VRF Units Service Manual 2.90 «HJ» Inverter Fan Startup Failure Fault display: main board of outdoor unit displays Fault diagnosis: If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is HJ, it indicates the inverter fan startup failure. -
Page 143
Gree GMV6 DC Inverter VRF Units Service Manual 2.91 «J0» Protection for Other Modules Fault display: main board of outdoor unit displays while the indoor unit and receiver of indoor unit do not. Applicable models: GMV6, GMV5, GMV5S, TOPS, GMV water Series… -
Page 144
Gree GMV6 DC Inverter VRF Units Service Manual «J1» Compressor 1 Over-current Protection Power on aga in the units based on th e capa city and nu mb er o f indoo r u nits enable d previou sly in the case o f… -
Page 145
Gree GMV6 DC Inverter VRF Units Service Manual 2.93 «J2» Compressor 2 Over-current Protection Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: When the operating current of the compressor detected by the current sensor or circuit exceeds the limit, the unit will stop working. -
Page 146
Gree GMV6 DC Inverter VRF Units Service Manual 2.94 «J3» Compressor 3 Over-current Protection Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: When the operating current of the compressor detected by the current sensor or circuit exceeds the limit, the unit will stop working. -
Page 147
Gree GMV6 DC Inverter VRF Units Service Manual 2.95 «J4» Compressor 4 Over-current Protection Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: When the operating current of the compressor detected by the current sensor or circuit exceeds the limit, the unit will stop working. -
Page 148
Gree GMV6 DC Inverter VRF Units Service Manual 2.96 «J5» Compressor 5 Over-current Protection Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: When the operating current of the compressor detected by the current sensor or circuit exceeds the limit, the unit will stop working. -
Page 149
Gree GMV6 DC Inverter VRF Units Service Manual 2.97 «J6» Compressor 6 Over-current Protection Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: When the operating current of the compressor detected by the current sensor or circuit exceeds the limit, the unit will stop working. -
Page 150
Gree GMV6 DC Inverter VRF Units Service Manual 2.98 «J7» Four-way Valve Air Backflow Protection Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: When the difference between the system high pressure and low pressure during operation detected by the pressure sensor is less than 0.1 MPa, the unit will stop running to ensure safe operation. -
Page 151
Gree GMV6 DC Inverter VRF Units Service Manual «J7» Four-way Va lve Air Backflo w Protection Whether th e four-way valve Conne ct them prope rly and coil is connected to the ma in relia bly boa rd p roperl y? -
Page 152
Gree GMV6 DC Inverter VRF Units Service Manual 2.99 «J8» High Pressure Ratio Protection Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: When the ratio between the system high pressure and the low pressure during operation detected by the pressure sensor exceeds 8, the unit will stop running to ensure safe operation. -
Page 153
Gree GMV6 DC Inverter VRF Units Service Manual 2.100 «J9» Low Pressure Ratio Protection Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: When the ratio between the system high pressure and the low pressure during operation detected by the pressure sensor is smaller than 1.8, the unit will stop running to ensure safe operation. -
Page 154
Gree GMV6 DC Inverter VRF Units Service Manual NOTES! If the enquired IDU is normal, no fault code will be displayed in the temperature area; if the ① unit indoor has multiple faults, fault codes will be displayed in the temperature area at an interval of 3 seconds. -
Page 155
Gree GMV6 DC Inverter VRF Units Service Manual 2.102 «L1» Indoor Fan Protection Fault display: wired controller of indoor unit and receiver of indoor unit display Applicable models: all indoor units Fault diagnosis: Check whether the indoor unit rotates slowly or stops or whether there exists external fan protection signal. -
Page 156
Gree GMV6 DC Inverter VRF Units Service Manual «L1» Indoor Fan Protectio n Is th e type of motor o f th e faulty indo or u nit DC motor, AC mo tor or PG motor? For a DC motor or a PG mo tor, the low speed of mo tor would trigger pro tection. -
Page 157
Gree GMV6 DC Inverter VRF Units Service Manual 2.103 «L2» E-heater Protection (Reserved Code, Not Yet Applied) 2.104 «L3» Overflow Protection Fault display: wired controller of indoor unit and receiver of indoor unit display Applicable models: all indoor units Fault diagnosis: When the water level is too high, the float switch of indoor unit will be triggered for overflow protection. -
Page 158
Gree GMV6 DC Inverter VRF Units Service Manual 2.105 «L4» Supply Power Over-current Protection Fault display: wired controller of indoor unit and receiver of indoor unit display Applicable models: all indoor units Fault diagnosis: When the current supplied to the wired controller by the indoor unit is too large, the fault is generated. -
Page 159
Gree GMV6 DC Inverter VRF Units Service Manual 2.106 «L5» Antifreeze Protection Fault display: wired controller of indoor unit and receiver of indoor unit display Applicable models: all indoor units Fault diagnosis: When the pipe temperature of the indoor unit is too low, the unit will trigger antifreeze protection to prevent the evaporator from freezing. -
Page 160
Gree GMV6 DC Inverter VRF Units Service Manual 2.107 «L6» Mode Conflict 2.108 «L7» No Master Indoor Unit Fault display: wired controller of indoor unit and receiver of indoor unit display Applicable models: all indoor units Fault diagnosis: The unit triggers the «no master indoor unit» fault when no master indoor unit exists in the system. -
Page 161
Gree GMV6 DC Inverter VRF Units Service Manual 2.109 «L9» Inconsistent Number of Indoor Units Under Integrated Control Fault display: wired controller of indoor unit and receiver of indoor unit display Applicable models: all indoor units Fault diagnosis: When more than 16 indoor units are connected to the wired controller or the number of indoor units connected to the wired controller is not the same as what is configured under integrated control, the fault is generated. -
Page 162
Gree GMV6 DC Inverter VRF Units Service Manual 2.111 «LH» Poor Air Quality Alarm (Reserved Code, Not Yet Applied) 2.112 «LC» Unmatched Models of Indoor and Outdoor Units Fault display: wired controller of indoor unit and receiver of indoor unit display… -
Page 163
Gree GMV6 DC Inverter VRF Units Service Manual 2.115 «n4» Settings Status of Maximum Output Capacity Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: This is a status code of a function. It indicates that the unit has entered settings status of maximum output capacity. -
Page 164
Gree GMV6 DC Inverter VRF Units Service Manual 2.119 «n9» Status of Querying Number of Online Indoor Units Fault display: main board of outdoor unit displays Fault diagnosis: The code is a query status code, in which case you can query the number of online indoor units. -
Page 165
Gree GMV6 DC Inverter VRF Units Service Manual 2.124 «nF» Fan Type Unit Fault display: main board of outdoor unit displays Fault diagnosis: The code indicates that the indoor unit only operates in fan mode. Possible causes: — Troubleshooting: not required. -
Page 166
Gree GMV6 DC Inverter VRF Units Service Manual ■ Inverter compressor over-current protection (2-digit digital LED of the main control board of the outdoor unit displays P5); ■ IPM module protection for the compressor drive (2-digit digital LED of the main control board of the outdoor unit displays P6);… -
Page 167
Gree GMV6 DC Inverter VRF Units Service Manual «P3» Reset Protection for the Compr essor Drive Module Is th e p roblem so lve d after the unit is powered off and powere d o n for mor e than three time s? -
Page 168
Gree GMV6 DC Inverter VRF Units Service Manual «P5» Inve rte r Compressor Over-current Protection Whether th e U, V and W pha ses of compressor wire s are connected prope rly? Whether the resistance between the windings of each phase for the… -
Page 169
Gree GMV6 DC Inverter VRF Units Service Manual 2.130 «P6» IPM Module Protection for the Compressor Drive Fault display: main board of outdoor unit displays Fault diagnosis: If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is P6, it indicates the IPM module protection for the compressor drive. -
Page 170
Gree GMV6 DC Inverter VRF Units Service Manual «P5» Inve rte r Compressor Over-current Protection Whether th e U, V and W pha ses of compressor wire s are connected prope rly? Whether the resistance between the windings of each phase for the… -
Page 171
Gree GMV6 DC Inverter VRF Units Service Manual 2.131 «P7» Abnormal Temperature Sensor of Compressor Drive Board Fault display: main board of outdoor unit displays Fault diagnosis: If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is P7, it indicates the abnormal temperature sensor of compressor drive board. -
Page 172
Gree GMV6 DC Inverter VRF Units Service Manual «P8» IPM Over Temperature Pro tection for the Compressor Drive Boar d Check whether th e screws are Whether over-temperature tightened and whether the IPM protection of IPM modul e is trig gered… -
Page 173
Gree GMV6 DC Inverter VRF Units Service Manual «P9» Loss of Synchroni zation Pro tection for the Inverte r Compressor Whether th e U, V and W pha ses of compressor wire s are connected prope rly? Whether th e U, V and W… -
Page 174
Gree GMV6 DC Inverter VRF Units Service Manual 2.134 «PC» Current Detection Circuit Fault of Compressor Drive Fault display: main board of outdoor unit displays Fault diagnosis: If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is PC, it indicates the current detection circuit fault of compressor drive. -
Page 175
Gree GMV6 DC Inverter VRF Units Service Manual «PH» Over Voltage Pro tection for the DC Bus of Compre ssor Drive r Whether th e i nput voltage of the Chang e the volta ge to unit excee ds 460V? -
Page 176
Gree GMV6 DC Inverter VRF Units Service Manual If the fault code displayed on the 2-digit digital LED of the outdoor unit’s main control board is PJ, it indicates the inverter compressor startup failure. Possible causes: ■ Poor contact of compressor’s UVW cables;… -
Page 177
Gree GMV6 DC Inverter VRF Units Service Manual 2.138 «U0» Insufficient Warm-up Time for Compressor Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: When the oil preheating period of time before compressor starts is less than eight hours, the unit generates a fault. -
Page 178
Gree GMV6 DC Inverter VRF Units Service Manual 2.140 «U3» Power Phase-Sequence Protection Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: Check the three-phase power of the unit. If the power is connected incorrectly, thereby causing phase loss or reverse phase, the unit generates a fault. -
Page 179
Gree GMV6 DC Inverter VRF Units Service Manual «U4» Refrigerant Loss Protection Whether the refrigerant is added in accordance with the design requirements? Check and troubleshoot the leaks of pipes 2.142 «U6» Abnormal Valve Prompt Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit… -
Page 180
Gree GMV6 DC Inverter VRF Units Service Manual «U8» Abnormal Pipes of the Indoor Unit Power on the units based on the capacity and number of indoor units enabled previously in the case of protection state. After Replace the expansion valve coil… -
Page 181
Gree GMV6 DC Inverter VRF Units Service Manual 2.145 «UC» Master Indoor Unit Set Successfully Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit display Fault diagnosis: The code indicates the state of the unit rather than the fault. During the commissioning process, the unit prompts that the master indoor unit is already set successfully. -
Page 182
Gree GMV6 DC Inverter VRF Units Service Manual ■ The unit pipes are clogged. ■ The unit operates out of the range of required ambient temperature. ■ Airflow organization is set ineffectively. ■ The amount of refrigerant is insufficient. Troubleshooting:… -
Page 183
Gree GMV6 DC Inverter VRF Units Service Manual 2.149 No Faults Displayed But Compressor Not Starting in Cooling/Heating Mode Fault: no faults displayed but compressor not starting in cooling/heating mode Fault diagnosis: Commission the multi-functional debugger. If any high pressure/discharge temperature/shell roof temperature of the unit falls within the following range before the unit starts operation, replace the corresponding components. -
Page 184: Non-Fault Type Troubleshooting
Gree GMV6 DC Inverter VRF Units Service Manual 3 Non-fault Type Troubleshooting 3.1 The Unit Does Not Start Problem Reason Solution Connect the air conditioning unit with a No power power Check whether the line voltage is within the The line voltage is too low…
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Page 185: Chapter 4 Maintenance
Gree GMV6 DC Inverter VRF Units Service Manual Chapter 4 Maintenance WARNING! During the maintenance of a modular unit, all the outside units must be powered on and off concurrently. Avoid doing so to only some of the outdoor units.
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Page 186
Gree GMV6 DC Inverter VRF Units Service Manual 2.2 Refrigerant charging amount B of every module Refrigerant charging amount B of every module Module capacity (kW) (kg) ② IDU/ODU rated capacity Quantity of 22.4 28.0 33.5 40.0 45.0 50.4 56.0 61.5 68.0… -
Page 187: Refrigerant Charging Method
Gree GMV6 DC Inverter VRF Units Service Manual 3 Refrigerant Charging Method Refrigerant charging for multi VRF unit includes two parts: pre-charging and start-up charging. 3.1 Pre-charging of refrigerant. Step 1: Connect the pipe of high pressure gauge of the pressure gauge to the detection port of liquid pipe, the pipe of low pressure gauge to the detection port of gas pipe valve, and the pipe of intermediate pressure gauge to the vacuum pump.
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Page 188
Gree GMV6 DC Inverter VRF Units Service Manual Step 5: Open the high pressure gauge valve (the low pressure gauge valve remains closed), charge the system with refrigerant, and record the weight change of the refrigerant tank. Step 6: When refrigerant tank is over and the refrigerant can’t be charged to the system any more, record the current weight of m2. -
Page 189
Gree GMV6 DC Inverter VRF Units Service Manual Step 2: Fully open the liquid pipe valve and gas pipe valve of each module. Step 3: Make the complete unit enter into debugging operation by the debugging software or the main board of outdoor unit. (see the debugging part for the specific operation). -
Page 190: Inspection Of Key Parts
Gree GMV6 DC Inverter VRF Units Service Manual 4 Inspection of Key Parts 4.1 Power Specifications Description The power supplies of the compressor and fan comprise the following three parts: Use of power to the main control board: ① The specifications of the input power are 380V-415V 3N~ 50Hz/60Hz+ ①…
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Page 191
Gree GMV6 DC Inverter VRF Units Service Manual Specifications Description The power supplies of the compressor and fan comprise the following three parts: Use of power to the main control board: ① The specifications of the input power are 380V-415V 3N~ 50Hz/60Hz+ ①… -
Page 192
Gree GMV6 DC Inverter VRF Units Service Manual Specifications Description The power supplies of the compressor and fan comprise the following three parts: Use of power to the main control board: ① The specifications of the input power are 380V-415V 3N~ 50Hz/60Hz+ ①… -
Page 193
Gree GMV6 DC Inverter VRF Units Service Manual Specifications Description The power supplies of the compressor and fan comprise the following three parts: Use of power to the main control board: ① The specifications of the input power are 380V-415V 3N~ 50Hz/60Hz+ ①… -
Page 194
Gree GMV6 DC Inverter VRF Units Service Manual 4.1.1 Mechanical Inspection (1) Confirm that the unit power is disconnected. (2) Remove the electrical appliance cover. (3) Check whether the power cable is fixed on the wiring board. (4) Check whether the fuses on the main board and filter board are damaged. -
Page 195
Gree GMV6 DC Inverter VRF Units Service Manual 4.2 Temperature Sensors Specifications Description Three types of temperature sensors of different specifications are The sensors are used to measure the temperature of the unit at different positions. used, including 50K, 20K and 15K. -
Page 196
Gree GMV6 DC Inverter VRF Units Service Manual Specifications Description Three types of temperature sensors of different specifications are The sensors are used to measure the temperature of the unit at different positions. used, including 50K, 20K and 15K. Models: GMV-400WM/G-X, GMV-450WM/G-X, GMV-504WM/G-X… -
Page 197
Gree GMV6 DC Inverter VRF Units Service Manual Specifications Description Three types of temperature sensors of different specifications are The sensors are used to measure the temperature of the unit at different positions. used, including 50K, 20K and 15K. Models: GMV-560WM/G-X, GMV-615WM/G-X, GMV-680WM/G-X… -
Page 198
Gree GMV6 DC Inverter VRF Units Service Manual 4.2.1 Mechanical Inspection (1) Confirm that the unit Power is disconnected. (2) Find the place corresponding to each sensor on the unit and check if the sensors are firmly fixed on the unit. -
Page 199
Gree GMV6 DC Inverter VRF Units Service Manual 15K temperature sensor resistance — temperature curve Temperature Resistance °C KΩ 108.7 82.75 63.46 49.02 38.15 29.9 23.6 18.75 12.07 9.779 7.967 6.529 5.379 4.456 3.711 3.105 2.611 2.205 1.871 1.594 1.363 1.171… -
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Gree GMV6 DC Inverter VRF Units Service Manual 20K temperature sensor resistance — temperature curve Temperature Resistance °C KΩ 361.8 265.5 196.9 110.3 84.61 65.37 50.87 39.87 31.47 25.01 16.1 13.04 10.62 8.705 7.173 5.942 4.948 4.14 3.481 2.94 2.495 2.125… -
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Gree GMV6 DC Inverter VRF Units Service Manual 50K temperature sensor resistance — temperature curve Temperature Resistance °C KΩ 911.56 660.93 486.55 362.99 274.02 209.05 161.02 126.17 98.006 77.349 61.478 49.191 39.61 32.088 26.147 21.425 17.651 14.618 12.168 10.178 8.5551 7.2245… -
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Gree GMV6 DC Inverter VRF Units Service Manual 4.3 Solenoid Valve Specifications Description The 4-way valve is used to switch between cooling mode and heating mode. If the 4-way valve is active, the ① Coils of different types are used on: unit works in heating mode, if the 4-way valve is inactive, the unit works in cooling mode. -
Page 203
Gree GMV6 DC Inverter VRF Units Service Manual Specifications Description The 4-way valve is used to switch between cooling mode and heating mode. If the 4-way valve is active, the ① Coils of different types are used on: unit works in heating mode, if the 4-way valve is inactive, the unit works in cooling mode. -
Page 204
Gree GMV6 DC Inverter VRF Units Service Manual Specifications Description The 4-way valve is used to switch between cooling mode and heating mode. If the 4-way valve is active, the ① Coils of different types are used on: unit works in heating mode, if the 4-way valve is inactive, the unit works in cooling mode. -
Page 205
Gree GMV6 DC Inverter VRF Units Service Manual Specifications Description The 4-way valve is used to switch between cooling mode and heating mode. If the 4-way valve is active, the ① Coils of different types are used on: unit works in heating mode, if the 4-way valve is inactive, the unit works in cooling mode. -
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Gree GMV6 DC Inverter VRF Units Service Manual 4.3.1 Mechanical Inspection (1) Confirm that the unit Power is disconnected. (2) Find the 4-way valve or solenoid valve, check whether the fixing screw is loose and whether the valve and coil have any apparent exceptions. -
Page 207
Gree GMV6 DC Inverter VRF Units Service Manual 4.4 Electronic Expansion Valve Specifications Description Two types of electronic expansion valves are adopted by the unit: ① Heating electronic expansion valve with the largest openness of 3000 pls and 6-core coil. -
Page 208
Gree GMV6 DC Inverter VRF Units Service Manual Specifications Description Two types of electronic expansion valves are adopted by the unit: ① Heating electronic expansion valve with the largest openness of 3000 pls and 6-core coil. The electronic expansion valve is used to control the flow. When the electronic ②… -
Page 209
Gree GMV6 DC Inverter VRF Units Service Manual Specifications Description Two types of electronic expansion valves are adopted by the unit: ① Heating electronic expansion valve with the largest openness of 3000 pls and 6-core coil. The electronic expansion valve is used to control the flow. When the electronic ②… -
Page 210
Gree GMV6 DC Inverter VRF Units Service Manual Specifications Description Two types of electronic expansion valves are adopted by the unit: ① Heating electronic expansion valve with the largest openness of 3000 pls and 6-core coil. The electronic expansion valve is used to control the flow. When the electronic ②… -
Page 211
Gree GMV6 DC Inverter VRF Units Service Manual 4.4.1 Mechanical Inspection Step 1: Switch off the power of the ODU. Step 2: Check whether the coil of the electronic expansion valve is firmly fixed on the electronic expansion valve. 4.4.2 Electrical Inspection Step 1: Power off the ODU and power on it. -
Page 212
Gree GMV6 DC Inverter VRF Units Service Manual 4.5 Fans Specifications Description The fans are powered by a DC inverter motor and can adjust the speed automatically The unit of 8HP-12HP is equipped with one fan, while the unit of 14HP-24HP is equipped with according to the environmental temperature and load, thus adapting to the demand of two fans. -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-400WM/G-X, GMV-450WM/G-X, GMV-504WM/G-X Circuit diagram Layout of electrical appliance box Physical position… -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-560WM/G-X, GMV-615WM/G-X, GMV-680WM/G-X Circuit diagram Layout of electrical appliance box Physical position… -
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Gree GMV6 DC Inverter VRF Units Service Manual 4.5.1 Mechanical Inspection Step 1: Switch off the power of the ODU. Step 2: Check whether the connector between the fan motor and fan drive board is firmly connected. Step 3: Rotate the blades with a hand to check whether they can rotate smoothly and whether the blades rub the baffle ring during rotation. -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-224WM/G-X, GMV-280WM/G-X, GMV-335WM/G-X Circuit diagram Physical position… -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-400WM/G-X, GMV-450WM/G-X, GMV-504WM/G-X Circuit diagram Physical position… -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-560WM/G-X, GMV-615WM/G-X, GMV-680WM/G-X Circuit diagram Physical position… -
Page 219
Gree GMV6 DC Inverter VRF Units Service Manual 4.6.1 Diagnosis of Compressor Failures 4.6.1.1 When the unit can be started Step 1: If the unit can be started, check the faulty compressor’s line current. Use a pressure gauge to measure the gas and liquid valve pressure and monitor the measured data on a PC. Compare the data to the following table of recommended current. -
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Gree GMV6 DC Inverter VRF Units Service Manual When the compressor frequency is 60 Hz, the current curve corresponding to the evaporation temperature and condensation temperature is shown as follows: Current curve Evaporation temperature °C When the compressor frequency is 90 Hz, the current curve corresponding to the evaporation… -
Page 221
Gree GMV6 DC Inverter VRF Units Service Manual When the compressor frequency is 120 Hz, the current curve corresponding to the evaporation temperature and condensation temperature is shown as follows: Current curve Evaporation temperature °C NOTE! When the compressor is working at another frequency, the current curve can be obtained through interpolation calculation of the above frequency. -
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Gree GMV6 DC Inverter VRF Units Service Manual Current Evaporation temperature °C When the compressor frequency is 90 Hz, the current curve corresponding to the evaporation temperature and condensation temperature is shown as follows: Current Evaporation temperature °C When the compressor frequency is 120 Hz, the current curve corresponding to the evaporation… -
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Gree GMV6 DC Inverter VRF Units Service Manual NOTE! When the compressor is working at another frequency, the current curve can be obtained through interpolation calculation of the above frequency. Step 2: Check whether the running sound of the compressor is normal and whether any high-pitched sound or obvious scratch can be heard. -
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Gree GMV6 DC Inverter VRF Units Service Manual Subcooling electronic expansion valve Heating electronic expansion valve Note on touching the electronic expansion valve:… -
Page 225
Gree GMV6 DC Inverter VRF Units Service Manual Notes: ① Check whether the coil is firmly fixed. ② Touch the upper part of the electronic expansion valve and check whether the resetting of the unit can be clearly felt. 4-way valve: When it is normal, the temperature different between it and the four copper tubes connecting to the valve is obvious. -
Page 226
Gree GMV6 DC Inverter VRF Units Service Manual pipeline is in the high-pressure and high-temperature status, while E and S indicate that the pipeline is in the low-pressure and low-temperature status; when the system runs in the heating mode, E indicates that the pipeline is in the high-pressure and high-temperature status, while C and S indicate that the pipeline is in the low-pressure and low-temperature status;… -
Page 227
Gree GMV6 DC Inverter VRF Units Service Manual 3: Point the black probe to the P bonding pad and the red probe to the L2 wiring terminal. In the normal condition, the multimeter will not beep. If it does, the drive board is damaged and needs to be replaced. -
Page 228
Gree GMV6 DC Inverter VRF Units Service Manual condition, the multimeter will not beep. If it does, the drive board is damaged and needs to be replaced. 13: Point the black probe to the N1 bonding pad and the red probe to W wiring terminal. In the normal condition, the multimeter will not beep. -
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Gree GMV6 DC Inverter VRF Units Service Manual 4.7 Compressor Drive Board The compressor drive board is used to control the operation of the compressor. Specifications Description The compressor drive board is used to control the operation of － the compressor. -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-400WM/G-X, GMV-450WM/G-X, GMV-504WM/G-X Circuit diagram Layout of electrical appliance box Physical position… -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-560WM/G-X, GMV-615WM/G-X, GMV-680WM/G-X Circuit diagram Layout of electrical appliance box Physical position… -
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Gree GMV6 DC Inverter VRF Units Service Manual (1) Before the inspection: Find a correct digital multimeter and switch it to the diode gear. Power off the unit and wait two minutes. Disconnect the U, V and W cables of the compressor and L1, L2 and L3 power cables from the drive board. -
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Gree GMV6 DC Inverter VRF Units Service Manual 4.8 Fan Drive Board The fan drive board is used to control the operation of the fan(s). Specifications Description The compressor drive board is used to control the operation of － the compressor. -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-400WM/G-X, GMV-450WM/G-X, GMV-504WM/G-X Circuit diagram Layout of electrical appliance box Physical position… -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-560WM/G-X, GMV-615WM/G-X, GMV-680WM/G-X Circuit diagram Layout of electrical appliance box Physical position… -
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Gree GMV6 DC Inverter VRF Units Service Manual (1) Before the inspection: Find a correct digital multimeter and switch it to the diode gear. Power off the unit and wait two minutes. Disconnect the U, V and W cables of the fans from the drive board. Do not operate without waiting two minutes after the unit is powered off. -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-224WM/G-X, GMV-280WM/G-X, GMV-335WM/G-X Circuit diagram Layout of electrical appliance box Physical position… -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-400WM/G-X, GMV-450WM/G-X, GMV-504WM/G-X Circuit diagram Layout of electrical appliance box Physical position… -
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Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-560WM/G-X, GMV-615WM/G-X, GMV-680WM/G-X Circuit diagram Layout of electrical appliance box Physical position… -
Page 240
Gree GMV6 DC Inverter VRF Units Service Manual Step 1: Disconnect the power and wait five minutes. Step 2: As shown in the figure, switch the multimeter to the diode gear. Point the black and red probes to the following positions to check if the main board is normal. -
Page 241
Gree GMV6 DC Inverter VRF Units Service Manual 4.10 Pressure Sensor Specifications Description Inspection of high-pressure temperature of the high-pressure sensor: 1. Control of compressor output capacity 2. Conversion and calculation of saturated condensing temperature 3. Protection high pressure 4. Inspection of high-pressure value and calculation of exhaust superheat degree 5. -
Page 242
Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-400WM/G-X, GMV-450WM/G-X, GMV-504WM/G-X Circuit diagram Layout of electrical appliance box Physical position High-pressure sensor Low-pressure sensor… -
Page 243
Gree GMV6 DC Inverter VRF Units Service Manual Models: GMV-560WM/G-X, GMV-615WM/G-X, GMV-680WM/G-X Circuit diagram Layout of electrical appliance box Physical position High-pressure sensor Low-pressure sensor… -
Page 244
Gree GMV6 DC Inverter VRF Units Service Manual Inspection procedure Preparations (1) Use the wired controller or remote controller to shut down the unit. (2) Remove the front cover and open the electrical appliance box. Inspection of low-pressure sensor (1) Connect the pressure gauge to the gas valve and check if the gas and liquid valves are open. -
Page 245: Replacement Of Key Unit Parts
Gree GMV6 DC Inverter VRF Units Service Manual 5 Replacement of Key Unit Parts 5.1 Preliminary Removing Procedure of the Main Body 5.1.1 Removing the Unit Panel 5.1.1.1 Removing the maintenance port panel (1) Press the window in the bulkhead cover to open the window.
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Gree GMV6 DC Inverter VRF Units Service Manual 5.1.1.2 Removing the right panel (1) Use a screwdriver to remove the screw marked by 1 on ① right panel (2) Remove ① right panel from the unit 3 – Screw ① — Right panel 5.1.1.3 Removing the upper left panel, bottom left panel and upper covering plate… -
Page 247
Gree GMV6 DC Inverter VRF Units Service Manual 5.1.2 Removing the Cover of Electrical Appliance Box (1) Use a screwdriver to remove the screw marked by 1 on ⑤⑥ electrical appliance box (2) Remove ⑤⑥ electrical appliance box from the unit 3 — Screw;… -
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Gree GMV6 DC Inverter VRF Units Service Manual Check whether the unit is the master or slave module Power off the unit and replace the main board DIP setting Checking communication status Setting of master unit engineering commissioning status System parameter… -
Page 249
Gree GMV6 DC Inverter VRF Units Service Manual Display status of Display status of Display status of Display status of LED1 LED1 LED1 LED1 Master module Slave module Slave module Slave module status status status status (2) Powering off and replacing the main board ①… -
Page 250
Gree GMV6 DC Inverter VRF Units Service Manual (4) Checking communication status After the setting of the main board DIP switches is completed and all the cables are connected, the ODU’s main control board is switched on. Check whether D3 and D4 indicators on the IDU sand ODU flash. -
Page 251
Gree GMV6 DC Inverter VRF Units Service Manual The seal blocks of the compressor suction, exhaust and enthalpy nozzles must be intact. The electrical appliance box cover of the compressor must be intact. WARNING! Check whether the models of the new and old compressors on the nameplates are the same. -
Page 252
Gree GMV6 DC Inverter VRF Units Service Manual The seal blocks of all the parts must be intact. WARNING! Make sure that the compressor’s lubricant is sealed reliably. Hitachi compressors adopt the FVC68D dedicated lubricant, which is highly hygroscopic. Therefore, the lubricant has a strict requirement on lubricant sealing. -
Page 253
Gree GMV6 DC Inverter VRF Units Service Manual Low pressure measurement valve Before discharging refrigerant and dismantling the unit, collect the refrigeration oil in the system from the low-pressure measurement valve using the following method. Connect one end of a rubber hose to the low-pressure measurement valve and the other one to a transparent container. -
Page 254
Gree GMV6 DC Inverter VRF Units Service Manual Step 6: Removing compressors Check the damage of compressors, including the number of damaged compressors, positions and models. After confirming the compressor information, remove the compressors and confirm the oil quality. If the oil is clear with no impurity, it can be considered that the oil in the system is not polluted. -
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Gree GMV6 DC Inverter VRF Units Service Manual Place the compressor at a position above the level of the ground, pour oil from the ② compressor exhaust port, and use a beverage bottle or other transparent container (with a volume of over 150 ml) to store oil. -
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Gree GMV6 DC Inverter VRF Units Service Manual 3. Weld and loosen the connector of the inlet and outlet pipes of the oil separator 1. Remove the screw of the installation plate 2. Weld and loosen the connector of the… -
Page 257
Gree GMV6 DC Inverter VRF Units Service Manual Note: The outlet pipe of the gas liquid separator must be placed under the inlet pipe when the liquid in the gas liquid separator is being drained. No more than 20° between the compressor… -
Page 258
Gree GMV6 DC Inverter VRF Units Service Manual Collect the amount of compressor oil poured out from the oil separator, gas-liquid separator and oil equalizer, and make relevant records to facilitate the replacement of compressors, gas-liquid separator and other components, and adding of lubricant to the system. The total amount of oil that is poured out of the system needs to be supplemented with additional oil after repair. -
Page 259
Gree GMV6 DC Inverter VRF Units Service Manual Step 9: Replacing compressors Pay attention to the following items when replacing the compressors: Remove the sealing rubber block before replacing the compressor and weld the compressor and the corresponding pipeline. Nitrogen is required during the welding process. Since the compressor suction and exhaust ports are all copper-plated steel pipes, it is necessary to use solder with at least 5% silver. -
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Gree GMV6 DC Inverter VRF Units Service Manual by one. CAUTION! The compressors must be wired in accordance with the wiring at the factory. The control varies by compressors. If the wiring is incorrect or the two compressors are reversed, the unit may be damaged. -
Page 261
Gree GMV6 DC Inverter VRF Units Service Manual 2. Weld the connector of the oil separator 1. Place the oil separator in the correct position 4. Weld the oil return pipe assembly 3. Fix the bolt Step 13: System leakage inspection Check each welding joints. -
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Gree GMV6 DC Inverter VRF Units Service Manual Step 14: Recharging refrigeration oil The amount of refrigeration oil needs to be recharged is mainly determined by the total amount of lubricant poured out from removing components such as compressors and gas-liquid separator. If there… -
Page 263
Compressor refrigeration oil plays an important role in the normal operation of compressor. The lubricant with the correct model number and quality must be used in accordance with the requirements of Gree after-sales and technical departments. The recharging amount must be correct. Step 15: System vacuuming After adding the appropriate lubricant, it is necessary to continue vacuuming the unit. -
Page 264
In each case, run the unit for more than 30 minutes, analyze the data, adjust the unit system and make sure that all parameters are correct. For specific parameters, contact after-sales engineers or Gree’s technicians. 5.4 Removing and Installing Four-way Valve Coil Preparations (1) Use the power circuit breaker to switch off the power of the GMV6 VRF system. -
Page 265
Gree GMV6 DC Inverter VRF Units Service Manual 1 — 4-way valve 2 — 4-way valve coil 3 — Screw Installation procedure (1) Install the new 4-way valve coil to the exact position. (2) Tighten the screw with a screwdriver to ensure that the 4-way valve coil does not rotate. -
Page 266
Gree GMV6 DC Inverter VRF Units Service Manual 1 —- 4-way valve D — Gas pipe, connecting to the exhaust pipe of the cooling compressor; C — Gas pipe, connecting to the inlet pipe of the condenser. S — Gas pipe, connecting to the suction pipe of the cooling compressor;… -
Page 267
Gree GMV6 DC Inverter VRF Units Service Manual Note: When welding, do not get the other components burnt. (5) Remove the old electronic expansion valve. 1 — Damper block 2 — Electronic expansion valve coil 3 — Electronic expansion valve Installation procedure (1) Install the new electronic expansion valve to the exact position. -
Page 268
Gree GMV6 DC Inverter VRF Units Service Manual (9) After checking that there is no problem, buckle the front panel and tighten the screws. 5.7 Removing and Installing Oil Separator Preparations (1) Use the power circuit breaker to switch off the power of the GMV6 VRF system. -
Page 269
Gree GMV6 DC Inverter VRF Units Service Manual 5.8 Removing and Installing Gas-Liquid Separator Preparations (1) Use the power circuit breaker to switch off the power of the GMV6 VRF system. (2) Make sure that the unit pipeline system is free of refrigerant. -
Page 270
Gree GMV6 DC Inverter VRF Units Service Manual (1) Remove the temperature sensors near the nozzles. (2) Weld and loosen the tubes connecting the four nozzles of the plate heat exchanger, and then pull the connecting tubes off. Note: When welding, do not get the other components burnt. The welding points of the plate heat exchanger are steel and copper. -
Page 271
Gree GMV6 DC Inverter VRF Units Service Manual of the pressure sensor with your hand. (4) Prepare two wrenches. Use one to fix the fluorine nozzle and the other to unscrew the metal interface of the pressure sensor. 1 — heat-shrinkable sleeve 2 — high temperature wire tie… -
Page 272
Gree GMV6 DC Inverter VRF Units Service Manual 1 — high temperature wire tie 2 — insulation cotton 3 — temperature sensor sleeve 4 — temperature sensor connector 5 — temperature sensor Installation procedure (1) Connect the temperature sensor connector into the temperature sensor sleeve. -
Page 273
Gree GMV6 DC Inverter VRF Units Service Manual (7) Install the unit panel. 5.13 Preparation for Removing and Installing Solenoid Valve Steps: (1) Use the power circuit breaker to switch off the power of the GMV6 VRF system. (2) Make sure that the unit pipeline system is free of refrigerant. -
Page 274
Gree GMV6 DC Inverter VRF Units Service Manual pressure). (4) Install the new solenoid valve coil to the exact position. (5) Use a torque wrench to fix the solenoid valve coil. (6) Fix the wires according to the original requirements by referring to the unit wiring diagram. -
Page 275
Gree GMV6 DC Inverter VRF Units Service Manual 5.15 Removing and Installing Fan Preparations (1) Use the power circuit breaker to switch off the power of the GMV6 VRF system. (2) Remove the unit’s panel, top cover and upper electrical appliance cover by referring to 5.1.1 Removing the Unit Panel. -
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Gree GMV6 DC Inverter VRF Units Service Manual (2) Remove the electric heating belt. Installation procedure (1) Install the electric heating belt at the shaft of the compressor, as shown in the figure. (2) Buckle up the electric heating belt. -
Page 277
Gree GMV6 DC Inverter VRF Units Service Manual (2) Remove the electrical appliance box: Use a screwdriver to remove the screw that secures the electrical appliance box and remove the electrical appliance box 2. Note: Before removing, loosen the two refrigerant tubes of the electrical box radiator. -
Page 278
Gree GMV6 DC Inverter VRF Units Service Manual 1 — connection point 2 — three connection points (3, 4, 5) (7) Pull it off the compressor after using gas welding to heat the inlet and outlet pipes. Adopt nitrogen protection during welding. The nitrogen pressure is 0.5±0.1kgf/cm (relative pressure). -
Page 279: Explosive View And Parts List
Gree GMV6 DC Inverter VRF Units Service Manual 6 Explosive View and Parts List 6.1 Explosive View and Parts List of GMV-224WM/G-X, GMV- 280WM/G-X and GMV-335WM/G-X Name Vulnerable part * Material code Mesh enclosure 016001060007 Top cover 012049000050P Flow guiding ring…
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Page 280
Gree GMV6 DC Inverter VRF Units Service Manual Name Vulnerable part * Material code Left side plate assembly 017037060016P Chassis assembly 017000000334P Oil separator 035028060002 Filter 07415200002 Solenoid valve 43000072 Electronic expansion valve 072009060013 Electronic expansion valve coil 072002000011 Filter… -
Page 281
Gree GMV6 DC Inverter VRF Units Service Manual 6.2 Explosive View and Parts List of GMV-400WM/G-X, GMV- 450WM/G-X and GMV-504WM/G-X Vulnerable part Name Material code Mesh enclosure 016001060013 Top cover 012049000059P Axial fan blade sleeve 02204102 Axial fan blade 10434100002… -
Page 282
Gree GMV6 DC Inverter VRF Units Service Manual Vulnerable part Name Material code Covering plate 012035000246P Left panel 012062000017P Right panel 012167000014P Left panel 012062000016P Electronic expansion valve 072009060012 Cut-off valve 07334100053 Fluoride injection mouth 06130002 Cut-off valve 07334100014 Filter… -
Page 283
Gree GMV6 DC Inverter VRF Units Service Manual 6.3 Explosive View and Parts List of GMV-560WM/G-X, GMV- 615WM/G-X and GMV-680WM/G-X Name Code Vulnerable part * Mesh enclosure 016001060013 Top cover 012049000059P Flow guiding ring 02204102 Axial fan blade 10434100002 Brushless DC motor… -
Page 284
Gree GMV6 DC Inverter VRF Units Service Manual Name Code Vulnerable part * Electronic expansion valve 072009060012 Cut-off valve 07334100053 Electronic expansion valve coil 072002000011 Cut-off valve 07334100014 One-way valve NRV16S 07333700032 Pressure switch 4602000911 Pressure switch 4602000910 Two-way filter… -
Page 285: Appendixes
Gree GMV6 DC Inverter VRF Units Service Manual Appendixes Appendix 1 Temperature Senor Resistance and Temperature Relationship Table Environmental temperature sensor 15kΩ resistance ~ voltage correspondence table (including outdoor and indoor environment temperature sensors) Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (°C)
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Gree GMV6 DC Inverter VRF Units Service Manual Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (°C) (kΩ) (°C) (kΩ) 20.54 1.393 0.779 3.137 19.63 1.429 0.758 3.141 18.75 1.467 0.737 3.145 17.93 1.503 0.717 3.15 17.14 1.54 0.697 3.153 16.39… -
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Gree GMV6 DC Inverter VRF Units Service Manual Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (°C) (kΩ) (°C) (kΩ) 3.217 2.717 0.248 3.246 3.105 2.734 0.243 3.247 2.998 2.75 0.237 3.249 2.898 2.766 0.232 3.25 2.797 2.781 0.227 3.251 2.702… -
Page 288
Gree GMV6 DC Inverter VRF Units Service Manual Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (°C) (kΩ) (°C) (kΩ) 59.08 0.835 1.427 3.08 56.19 0.866 1.386 3.086 53.46 0.898 1.346 3.092 50.87 0.931 1.307 3.098 48.42 0.965 1.269 3.103 46.11… -
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Gree GMV6 DC Inverter VRF Units Service Manual Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (°C) (kΩ) (°C) (kΩ) 8.051 2.353 0.4289 3.231 7.745 2.379 0.4187 3.232 7.453 2.404 0.4088 3.234 7.173 2.429 0.3992 3.235 6.905 2.453 0.3899 3.237 6.648… -
Page 290
Gree GMV6 DC Inverter VRF Units Service Manual Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (°C) (kΩ) (°C) (kΩ) 259.37 0.123 5.7457 2.096 245.61 0.129 5.5647 2.12 232.67 0.136 5.3903 2.144 220.5 0.143 5.2223 2.168 209.05 0.151 5.0605 2.191 195.97… -
Page 291
Gree GMV6 DC Inverter VRF Units Service Manual Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (°C) (kΩ) (°C) (kΩ) 30.787 0.809 1.5996 2.845 29.544 0.835 1.5602 2.855 28.359 0.86 1.522 2.864 27.227 0.886 1.485 2.873 26.147 0.913 1.449 2.882 25.114… -
Page 292: Appendix 2 Refrigerant Temperature And Pressure Table
Gree GMV6 DC Inverter VRF Units Service Manual Appendix 2 Refrigerant Temperature and Pressure Table Refrigerant: R410A Corresponding Corresponding Corresponding Temperature Temperature Temperature saturation saturation saturation (°C) (°C) (°C) pressure (BAR) pressure (BAR) pressure (BAR) 1.54 5.96 16.4 1.61 6.16 16.9…
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Page 293: Appendix 3 Pressure Sensor Voltage And Pressure Table
Gree GMV6 DC Inverter VRF Units Service Manual Appendix 3 Pressure Sensor Voltage and Pressure Table High-pressure sensor features (R410A) Temperature Absolute pressure Temperature Absolute pressure Voltage (V) Voltage (V) (°C) (kPA) (°C) (kPA) 0.102 1300 0.111 1337 1.34 0.12 1375 1.38…
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Gree GMV6 DC Inverter VRF Units Service Manual Temperature Absolute pressure Temperature Absolute pressure Voltage (V) Voltage (V) (°C) (kPA) (°C) (kPA) 0.828 3686 3.844 0.857 3767 3.93 0.887 3849 4.018 0.917 3932 4.106 0.947 4017 4.197 0.979 4103 4.288 1030 1.012… -
Page 295
Gree GMV6 DC Inverter VRF Units Service Manual Temperature Absolute pressure Temperature Absolute pressure Voltage (V) Voltage (V) (°C) (kPA) (°C) (kPA) 0.619 1228 2.753 0.633 1263 2.823 0.649 1300 2.897 0.665 1337 2.971 0.683 1375 3.047 0.701 1413 3.123 0.719… -
Page 296: Appendix 4 Electric Specifications
Gree GMV6 DC Inverter VRF Units Service Manual Appendix 4 Electric Specifications Every unit should have corresponding short-circuit and overload protection. And also a main switch is required to control power supply or disconnection. Please refer to the following table for the leakage protection switch and circuit breaker of outdoor unit.
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Page 297
Gree GMV6 DC Inverter VRF Units Service Manual Capacity of circuit breaker Minimum cross- Recommended wire (cross- Model Combination method of each sectional area of sectional area) (mm combination grounding wire (mm module (A) GMV-1845WM/G-X 615+615+615 50+50+50 10.0+10.0+10.0 10.0×5+10.0×5+10.0×5 GMV-1910WM/G-X… -
Page 298: Appendix 5 Circuit Diagram
Gree GMV6 DC Inverter VRF Units Service Manual Appendix 5 Circuit Diagram GMV-224WM/G-X, GMV-280WM/G-X and GMV-335WM/G-X…
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Gree GMV6 DC Inverter VRF Units Service Manual GMV-400WM/G-X, GMV-450WM/G-X and GMV-504WM/G-X… -
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Gree GMV6 DC Inverter VRF Units Service Manual GMV-560WM/G-X, GMV-615WM/G-X and GMV-680WM/G-X Note: Refer to the mark on the unit for the actual circuit diagram. -
Page 301: Appendix 6 Schematic Diagram
Gree GMV6 DC Inverter VRF Units Service Manual Appendix 6 Schematic Diagram The outdoor unit of GMV6 multi VRF unit can be realized by parallel combination of modules, and the indoor unit can also be composed of multiple units in parallel. The working principle is as follows: when the indoor unit is running in the cooling mode, the outdoor unit starts the outdoor module according to the running load demand of the indoor unit.
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Gree GMV6 DC Inverter VRF Units Service Manual System principle diagram of GMV-400WM/G-X, GMV-450WM/G-X and GMV-504WM/G-X… -
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Gree GMV6 DC Inverter VRF Units Service Manual System principle diagram of GMV-560WM/G-X, GMV-615WM/G-X and GMV-680WM/G-X… -
Page 304: Appendix 7 Names And Functions Of Components
Gree GMV6 DC Inverter VRF Units Service Manual Appendix 7 Names and Functions of Components Name Main Functions The compressor changes its speed according to the actual system need for Compressor capacity adjustment. Electrical heating belt of In the standby state, the oil temperature of the compressor is guaranteed to the compressor prevent backflow.
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Инструкция для GREE Home GMV
DC INVERTER VRF PLUS WATER HEATER
GREE ELECTRIC APPLIANCES INC. OF ZHUHAI
Оглавление инструкции
DC INVERTER VRF PLUS WATER HEATER SOLUTION Service Manual （T1/R410A） GREE ELECTRIC APPLIANCES INC. OF ZHUHAI
CONTENTS PRODUCT . 2 1 MODELS LIST
2 TOOLS FOR INSTALLATION . 127 2.1 COMMON TOOLS . 127 3 SELECTION OF
14.4 DIAL-UP OF UNIT . 208 15 DEBUGGING OF THE UNIT . 214 15.1 PREPARATION FOR
Gree Commercial AC Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 1
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT PRODUCT 1 MODELS LIST 1.1 Outdoor Units Model GMV-Pds100 W/Na-K GMV-Pds120 W/Na-K GMV-Pds140 W/Na-K GMV-Pds160 W/Na-K GMV-Pds224 W/Na-M GMV-Pds280 W/Na-M Coolin g (Btu/h) Heati ng (Btu/h ) Min.Wat er Output L/h Max.Wa ter Output L/h
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 1.2 Indoor Unit 1.2.1 Common ESP Duct Type Indoor Unit Capacity Model GMV-R22P/Na-K GMVL-R22P/Na-K GMV-R25P/Na-K GMVL-R25P/Na-K GMV-R28P/Na-K GMVL-R28P/Na-K GMV-R32P/Na-K GMVL-R32P/Na-K GMV-R36P/Na-K GMVL-R36P/Na-K GMV-R40P/Na-K
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 1.2.2 High ESP Duct Type Indoor Unit (without water pump) Capacity Model GMV-R22P/NaB-K GMVL-R22P/NaB-K GMV-R28P/NaB-K GMVL-R28P/NaB-K GMV-R36P/NaB-K GMVL-R36P/NaB-K GMV-R45P/NaB-K GMVL-R45P/NaB-K GMV-R56P/NaB-K GMVL-R56P/NaB-K
Dc Inverter VRF plus Water Heater Solution Service Manual 1.2.3 PRODUCT High ESP Duct Type Indoor Unit (with water pump) Capacity Model GMV-R22PS/NaB-K GMVL-R22PS/NaB-K GMV-R28PS/NaB-K GMVL-R28PS/NaB-K GMV-R36PS/NaB-K GMVL-R36PS/NaB-K GMV-R45PS/NaB-K GMVL-R45PS/NaB-K GMV-R56PS/NaB-K
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 1.2.4 Cassette type Model GMV-R22T/NaA-K Capacity Cooling Heating (Btu/h) (Btu/h) Power Supply R410A 220
50Hz Appearance 8530 7506 GMVL-R22T/NaA-K GMV-R28T/NaA-K Ref / 10900 9550 GMVL-R28T/NaA-K / GMV-R36T/NaA-K 13650
Dc Inverter VRF plus Water Heater Solution Service Manual GMVL-R125T/Na-K PRODUCT / GMV-R140T/Na-K 49470 47770 GMVL-R140T/Na-K / Conversion Formula: Btu/h=kW×3412 1.2.5 Single-side Cassette Unit Model GMV-R22Td/Na-K Capacity Cooling Heating (Btu/h) (Btu/h) 7506 GMVL-R22Td/Na-K GMV-R28Td/Na-K Ref
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 1.2.6Wall mounted type Model GMV-R22G/NaB-K GMVL-R22G/NaB-K GMV-R28G/NaB-K GMVL-R28G/NaB-K GMV-R36G/NaB-K GMVL-R36G/NaB-K GMV-R45G/NaB-K GMVL-R45G/NaB-K GMV-R50G/NaB-K GMVL-R50G/NaB-K GMV-R56G/NaB-K GMVL-R56G/NaB-K GMV-R22G/NaC-K
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 1.2.7Floor ceiling type Capacity Model Cooling (Btu/h) GMV-R28Zd/Na-K 9554 GMVL-R28Zd/Na-K GMV-R36Zd/Na-K 12284 GMVL-R36Zd/Na-K GMV-R50Zd/Na-K 17061 GMVL-R50Zd/Na-K GMV-R71Zd/Na-K 24226 GMVL-R71Zd/Na-K GMV-R90Zd/Na-K 30709
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 1.4 Water Tank SXD250LC-K Capacity (L) 250 SXD300LC-K 300 SXD350LC-K 350 Model SXD400LC-K 400 SXVD200LCJ/A-K 200 SXVD300LCJ/A-K 300 SXVD350LCJ/A-K 350 SXVD400LCJ/A-K 400 SXVD200LCJ2/A-K 200 SXVD300LCJ2/A-K 300 SXVD350LCJ2/A-K 350
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 2 NOMENCLATURE 2.1 Nomenclature of outdoor unit GMV □ □ 1 2 3 — Pds 120 W 4 5 6 NO. Description 1 Code for type 2 Code for weather 3 Code for model 4 Units Series 5 Nominal cooling capacity / Na — 7 K 8 Options GMV=Gree Multi
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 2.3 Nomenclature of Hydro-box RQ D 5 G A □ 1 2 3 4 5 6 S/N Description Options 1 Product Code : Hydro-box 2 Fuction Code D－Electric heating，Default－No electric heating 3 Heat Exchage Capacity Rated heat exchange capacity of
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 3 FUNCTION Auto Restart Fan Operation Mode LCD Remote Controller (Option) Auto Swing Function For Comfortable Air Conditioning Ceiling Soiling Prevention Program Dry High Fan Speed Mode High Ceiling Application Two Select Thermo
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 4 PRODUCT DATA 4.1 Product data of outdoor Item Model GMV-Pds100 W/Na-K GMV-Pds12 0W/Na-K GMV-Pds 140W/NaK GMV-Pds 160W/NaK GMV-Pds 224W/NaM GMV-Pds 280W/NaM Rated Cooling Capacity kW 10 12 14 16 22.4 28 Rated Heating Capacity kW 11
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 4.2 Product Data of Indoor Unit 4.2.1 Duct Type Model GMV(L)-R22P/Na-K GMV(L)-R25P/Na-K GMV(L)-R28P/Na-K kW 2.2 2.5 2.8 Btu 7506 8530 9554 kW 2.5 3.0 3.2 Btu 8530 10236 10918 m3/h 450 450 570 CFM 265 265 336 Sound Pressure Level
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT GMV(L)-R32P/Na-K GMV(L)-R36P/Na-K GMV(L)-R40P/NaK kW 3.2 3.6 4.0 Btu 10919 12284 13649 kW 3.6 4.0 4.5 Btu 12283 13648 15354 m3/h 570 570 840 CFM 336 336 494 Sound Pressure Level (H/L) dB(A) 39/35 39/35 40/36 External Static Pressure
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R45P/Na-K GMV(L)-R50P/Na-K GMV(L)-R56P/Na-K kW 4.5 5.0 5.6 Btu 15355 17061 19108 kW 5.0 5.8 6.3 Btu 17060 19790 21496 m3/h 840 840 1400 CFM 494 494 824 Sound Pressure Level (H/L) dB(A) 40/36 40/36 42/38 External Static
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R63P/Na-K GMV(L)-R71P/Na-K GMV(L)-R80P/Na-K kW 6.3 7.1 8.0 Btu 21496 24226 27297 kW 7.0 8.0 8.8 Btu 23884 27296 30026 m3/h 1400 1400 1400 CFM 824 824 824 Sound Pressure Level (H/L) dB(A) 42/38 42/38 42/38 External Static
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT GMV(L)-R90P/Na-K GMV(L)-R100P/NaK GMV(L)-R112P/NaK kW 9.0 10.0 11.2 Btu 30709 34121 38216 kW 10.0 11.0 12.5 Btu 34120 37532 42650 m3/h 2000 2000 2000 CFM 1177 1177 1177 Sound Pressure Level (H/L) dB(A) 44/40 44/40 44/40 External
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R125P/Na-K GMV(L)-R140P/Na-K kW 12.5 14.0 Btu 42652 47770 kW 13.5 15.0 Btu 46060 51180 m3/h 2000 2000 CFM 1177 1177 Sound Pressure Level (H/L) dB(A) 44/40 45/41 External Static Pressure Pa 100 50 220-240V-1Ph-50Hz
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT GMV(L)-R22P/NaBK GMV(L)-R28P/NaB-K GMV(L)-R36P/NaB-K kW 2.2 2.8 3.6 Btu 7507 9554 12284 kW 2.5 3.2 4.0 Btu 8530 10918 13648 m3/h 450 570 570 CFM 265 335 335 Sound Pressure Level (H/L) dB(A) 37/33 39/35 39/35 External Static Pressure
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT GMV(L)-R45P/NaBK GMV(L)-R56P/NaBK GMV(L)-R71P/NaBK kW 4.5 5.6 7.1 Btu 15355 19108 24226 kW 5.0 6.3 8.0 Btu 17060 21496 27296 m3/h 700 1000 1100 CFM 412 589 647 Sound Pressure Level (H/L) dB(A) 40/36 44/40 45/41 External Static
Dc Inverter VRF plus Water Heater Solution Service Manual Model Cooling Capacity Heating Capacity Air Flow Rate Sound Pressure Level (H/L) External Static Pressure GMV(L)-R90P/NaB-K GMV(L)-R112P/NaB-K GMV(L)-R140P/NaB-K kW 9.0 11.2 14.0 Btu 30709 38216 47770 kW 10.0 12.5 15.0 Btu 34120 42650 51180
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R22PS/NaB-K GMV(L)-R28PS/NaB-K GMV(L)-R36PS/NaB-K kW 2.2 2.8 3.6 Btu 7507 9554 12284 kW 2.5 3.2 4.0 Btu 8530 10918 13648 m3/h 450 570 570 CFM 265 335 335 Sound Pressure Level (H/L) dB(A) 37/33 39/35 39/35 External Static
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R45PS/NaB-K GMV(L)-R56PS/NaB-K GMV(L)-R71PS/NaB-K kW 4.5 5.6 7.1 Btu 15355 19108 24226 kW 5.0 6.3 8.0 Btu 17060 21496 27296 m3/h 700 1000 1100 CFM 412 589 647 Sound Pressure Level (H/L) dB(A) 40/36 44/40 45/41 External
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R90PS/NaB-K GMV(L)-R112PS/NaB-K GMV(L)-R140PS/NaB-K kW 9.0 11.2 14.0 Btu 30709 38216 47770 kW 10.0 12.5 15.0 Btu 34120 42650 51180 m3/h 1700 1700 2000 CFM 1001 1001 1177 Sound Pressure Level (H/L) dB(A) 48/44 48/44 50/46
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 4.2.2Cassete Type GMV (L)R22T/NaA-K GMV(L)R28T/NaA-K GMV(L)R36T/NaA-K GMV(L)R45T/NaA-K kW 2.2 2.8 3.6 4.5 Btu 7506 9554 12283 15354 kW 2.5 3.2 4.0 5.0 Btu 8530 10918 13648 17060 m3/h 600 600 600 600 CFM 353 353 353 353 Model Cooling
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R28T/Na-K GMV(L)-R36T/Na-K GMV(L)-R45T/Na-K kW 2.8 3.6 4.5 Btu 9550 12280 15360 kW 3.2 4.0 5.0 Btu 10900 13650 17060 m3/h 680 680 680 CFM 400 400 400 Sound Pressure Level (H/L) dB(A) 37/34 37/34 37/34 External Static
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R50T/Na-K GMV(L)-R56T/Na-K GMV(L)-R71T/Na-K kW 5.0 5.6 7.1 Btu 17060 19100 24230 kW 5.8 6.3 8.0 Btu 19790 21500 27300 m3/h 680 1180 1180 CFM 400 695 695 Sound Pressure Level (H/L) dB(A) 37/34 39/35 39/35 External Static
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R80T/Na-K GMV(L)-R90T/Na-K kW 8.0 9.0 Btu 27300 30700 kW 8.8 10.0 Btu 30030 34120 m3/h 1180 1860 CFM 695 1095 Sound Pressure Level (H/L) dB(A) 39/35 40/36 External Static Pressure Pa / / 220-240V-1Ph-50Hz
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R100T/Na-K GMV(L)-R112T/Na-K kW 10.0 11.2 Btu 34120 38210 kW 11.0 12.5 Btu 37540 42650 m3/h 1860 1860 CFM 1095 1095 Sound Pressure Level (H/L) dB(A) 40/36 40/36 External Static Pressure Pa / / 220-240V-1Ph-50Hz
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R125T/Na-K GMV(L)-R140T/Na-K kW 12.5 14.0 Btu 42650 47770 kW 13.5 14.5 Btu 46062 49470 m3/h 1860 1860 CFM 1095 1095 Sound Pressure Level (H/L) dB(A) 40/36 40/36 External Static Pressure Pa / / 220-240V-1Ph-50Hz
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R22Td/Na-K GMV(L)-R28Td/Na-K GMV(L)-R36Td/Na-K kW 2.2 2.8 3.6 Btu 7506 9550 12280 kW 2.5 3.2 4.0 Btu 8530 10900 13650 m3/h 450 500 500 CFM 265 294 294 Sound Pressure Level (H/L) dB(A) 45/41 45/41 45/41 External Static
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 4.2.3Wall mounted Type Model GMV(L)-R22G/NaB-K GMV(L)-R28G/NaB-K GMV(L)-R36G/NaB-K kW 2.2 2.8 3.6 Btu 7507 9554 12284 kW 2.5 3.2 4.0 Btu 8530 10919 13649 m3/h 360 360 500 CFM 212 212 294 Sound Pressure Level (H/L) dB(A) 37/28 37/28
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R45G/NaB-K 4.5 GMV(L)-R50G/NaB-K GMV(L)-R56G/NaB-K 5.0 5.6 17061 19108 kW 15355 5.0 5.8 6.3 Btu 17061 19790 21496 m3/h 700 750 CFM 500 294 412 441 Sound Pressure Level (H/L) dB(A) 43/28 45/40 45/40 External Static
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R22G/NaC-K GMV(L)-R28G/NaC-K GMV(L)-R36G/NaC-K kW 2.2 2.8 3.6 Btu 7507 9554 12284 kW 2.5 3.2 4.0 Btu 8530 10919 13649 m3/h 360 360 500 CFM 212 212 294 Sound Pressure Level (H/L) dB(A) 37/28 37/28 43/28 External Static
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R45G/NaC-K GMV(L)-R71G/Na-K GMV(L)-R80G/Na-K kW 4.5 7.1 8.0 Btu 15355 24226 27297 kW 5.0 8.0 9.0 Btu 17061 27297 30709 m3/h 500 1200 1200 CFM 294 706 706 Sound Pressure Level (H/L) dB(A) 43/28 49/42 49/42 External Static
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 4.2.4Floor Ceiling Type GMV(L)-R28Zd/Na-K GMV(L)-R36Zd/Na-K GMV(L)-R50Zd/NaK kW 2.8 3.6 5.0 Btu 9554 12284 17061 kW 3.2 4.0 5.8 Btu 10919 13649 19790 m3/h 550 600 700 CFM 324 353 412 Sound Pressure Level (H/L) dB(A) 43/- 44/- 50/-
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R71Zd/Na-K GMV(L)-R90Zd/Na-K kW 7.1 9.0 Btu 24226 30709 kW 8.0 10.0 Btu 27297 34121 m3/h 1170 2100 CFM 689 1236 Sound Pressure Level (H/L) dB(A) 48/- 51/- External Static Pressure Pa / / 220-240V-1Ph-50Hz
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT GMV(L)-R112Zd/Na-K GMV(L)-R125Zd/Na-K kW 11.2 12.5 Btu 38216 42652 kW 12.5 13.5 Btu 42652 46064 m3/h 2200 2300 CFM 1295 1354 Sound Pressure Level (H/L) dB(A) 54/- 55/- External Static Pressure Pa / / 220-240V-1Ph-50Hz
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 4.4 Hydro-box Model Heat Exchange Capacity Power Supply Water Pump RQD5GA-K RQD8GA-K kW 5 8 — 220V 50Hz 220V 50Hz Input Power 80W 80W 3 3 Water Flow 1 m /h 1 m /h Delivery Lift 6m 6m — Tube in tube Tube in tube Caliber of
Dc Inverter VRF plus Water Heater Solution Service Manual Model Heat Exchange Capacity Power Supply Water Pump PRODUCT RQ20LA-K RQD20LA-M RQ30LA-K RQD30LA-M kW 20 20 30 30 — 220V 50Hz 380V 50Hz 220V 50Hz 380V 50Hz Input Power 370W 370W 370W 370W Water Flow 2.5m /h 2.5m /h 2.5m /h 2.5m3/h Delivery
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 4.5 Water Tank Model SXD250LC-K SXD300LC-K SXD350LC-K SXD400LC-K Capacity V 250 300 350 400 Max.Working Pressure MPa 0.7 0.7 0.7 0.7 Material — SUS304L SUS304L SUS304L SUS304L Thickness mm 1.5 1.5 1.5 1.5 Material — Polyurethane
Dc Inverter VRF plus Water Heater Solution Service Manual Model PRODUCT SXD200LCJ2/AK SXD300LCJ2/AK SXD350LCJ2/AK SXD400LCJ2/AK Capacity V 200 300 350 400 Max.Working Pressure MP a 0.7 0.7 0.7 0.7 Material — SUS304L SUS304L SUS304L SUS304L Thicknes s mm 1.5 1.5 1.5 1.5 Inner pot Insulating Layer
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 5 CORRECTION FOR PRODUCT CAPACITY 5.1 Introduction to Capacity Correction The actual capacity of VRF units is related to indoor and outdoor ambient temperatures, Length of connecting pipe between indoor unit and outdoor unit
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 2）Coefficient of Correction of Heating Capacity 27 26 22 Coeffic ie Correc nt of tion Indoor Dry-bulb Temp (℃) 24 20 18 16 14 12 -15 -10 -5 0 5 10 Outdoor Wet-bulb Temp (℃) 15 16 3）Coefficient of Correction of Water heating Capacity
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 5.3.3 Coefficient of Correction of Distance of Piping and Drop Height between indoor and outdoor units （R410A model） z Symbol Illumination Hp： Drop Height （m）when the indoor unit is lower than outdoor unit (m); Hm： when the indoor
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT L： Length of Single-pass Equivalence Pipe z The below diagrams illustrate change rate of capacity under standard operating mode (Cooling setting on thermostat is 16℃ and heating setting is 30℃) 0.85 0.90 50 60 70 80 90 0.9 40 0.92 30
Dc Inverter VRF plus Water Heater Solution Service Manual PRODUCT 6.2 Explanation of Flowchart When connected to power, the indoor and outdoor units start to work. When working under cooling mode, the low-temperature and low-pressure refrigerant gas from the heat exchanger of each indoor unit will
Gree Commercial AC DC INVERTER VRF PLUS WATER HEATER SOLUTION Service Manual CONTROL 50
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL CONTROL 1 CONTROL OF THE UNIT 1.1 Integral Control of the Unit 1） Schematic Diagram of Control of the Units Output control Ele ctric exp ansi on valv eA Ele ctric exp ansi on valv eB Ele ctric hea ter 44of way way co valv valv mpr e
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 2） Explanation of Schematic Diagram Outdoor Unit System ◆ Function: It connect with indoor unit or hydro-box to receive their ON/OFF command, mode, setting temp and ambient temp by 3-pin communication wire. It can determine its
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL AC-L and N and the output terminals are L-OUT and N-OUT. ◆ Hydro-box: ◆ Temp sensor of feeding water is used for detecting the temp of feeding water of water tank,according to which, control device judges if the anti-freezing shall
Dc Inverter VRF plus Water Heater Solution Service Manual 1.2 CONTROL Operation Flowchart 1.2.1 Operation Flowchart of Indoor Unit 54
Dc Inverter VRF plus Water Heater Solution Service Manual z CONTROL Cooling Operation Cooling Operation Guide Louver There Is Not There Is Guide Louvers Swing Fan Motor: Operation In The Process Of Preventing Restart Operation? (3 Minutes) Yes No Temperature Adjustment? Yes No Fan Motor:Stop
Dc Inverter VRF plus Water Heater Solution Service Manual z CONTROL Dry Operation 56
Dc Inverter VRF plus Water Heater Solution Service Manual z Heating Operation z Water Heating Operation CONTROL 57
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Water heating Power LED: On On defrosting？ Yes No Adjust Temp No Yes Start water pump and add hot water Water pump stops A 58
Dc Inverter VRF plus Water Heater Solution Service Manual z CONTROL Cooling and Water Heating Operation Cooling and water heating No Guide louver Yes Guide louver swings No Yes On preventing it from running again? (3min) No Adjust temp？ No Yes On anti-cold air？ Yes No Fan: setting speed Fan: stop
Dc Inverter VRF plus Water Heater Solution Service Manual z Heating and Water Heating Operation z Air Supply Operation CONTROL 60
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 1.2.2 Operation Flowchart of Outdoor Unit 61
Dc Inverter VRF plus Water Heater Solution Service Manual z CONTROL Cooling Operation 62
Dc Inverter VRF plus Water Heater Solution Service Manual z CONTROL Dry Operation 63
Dc Inverter VRF plus Water Heater Solution Service Manual z Heating Operation z Water Heating Operation CONTROL 64
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 65
Dc Inverter VRF plus Water Heater Solution Service Manual z CONTROL Cooling and Water Heating Operation 66
Dc Inverter VRF plus Water Heater Solution Service Manual z CONTROL Heating and Water Heating Operation 67
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 2 CONTROL FUNCTION OF THE UNITS 2.1 Control Function of the Outdoor Unit 1）The Capacity of Compressor Output The capacity of compressor is counted by the indoor load or hydro-box load, and the former relates to running or stopping of
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL c）50Hz Once the pressure Pc≥55℃ is detected, the frequency of outdoor fan will change to 50 Hz immediately. Definition: under cooling mode, if the ambient temp ≤14 ℃, the cooling is Hypothermy cooling. Fan Control Under Hypothermy
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Outdoor Ambient Temp T≤11℃ 11℃＜T≤15℃ 15℃＜T≤22℃ T＞22℃ Fan Frequency Max. 41Hz 33Hz 28Hz Remarks：max.value is 50Hz When calculated capacity of the complete unit ≤40％ Outdoor Ambient Temp Fan Frequency T≤3 3＜T≤7 7＜T≤11 11＜T≤15 18＜T≤22
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL the lowest value is 5 HZ. Detect discharge pressure after 3min startup of the unit. Fan frequency is adjusted every 2 periods according to the average value of discharge pressure so that the pressure can be restrained within
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 2.2 Control Function of Indoor Unit 1) Cooling Operation ◆ Cooling Capacity Outdoor unit will determine the compressor capacity output according to the capacity requirements of indoor unit; Indoor unit will determine the opening of
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL If all the indoor units’ temperatures of a unit are up to temperature spot, then the capacity needs is o. the outdoor unit will stop the compressor, and all the indoor electromagnetic expansion valve will be closed. ◆Indoor Fan
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Expansion valve ON 膨胀阀ON Expansion Valve OFF 膨胀阀OFF Indoor Ambient Temperature 室内环境温度 -1 +1 Indoor Setting Temperature 室内设定温度 ◆ Fan Control When the indoor unit has capacity requirement: If the automatic fan speed is not set, the
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL t / 。C Tv-evaporatorTv蒸 t evaporator t蒸发器 High 高风档 Fan OFF 风机关 Setting speed 设定风速 8s t/s 60s 0 t evaporator tReaching the valve value within one minute 蒸发器 一分钟内达到阀值 t t / 。C t 蒸发器 evaporator Tv-evaporatorTv蒸 高风档 High 风机关 Fan OFF
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Special case: For the indoor units of cassette series, it will run at low fan speed when it reaches the temperature point, and do not need to stop the fan. 3) Compensation for Heating Temperature Under the standard conditions, when
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL When the wired controller or remote controller sends a stopping swing signal, the automatic swing function will be stopped, and the swing louver stops at current position. ◆ Others When the indoor unit receives the shutdown signal,
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL superheating value of indoor unit evaporator.It will be detected every 40 seconds. This process will stop when powering off, stop after reaching temperature point and malfunction. ◆ Controlling of supercooling degree in heating mode
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL The address which DIP switch refers to is listed as follows. Dial-up code table (4 positions DIP switch) Position 4 Position 3 Position 2 Position 1 Address Position 4 Position 3 Position 2 Position 1 Address ON ON ON ON 1 OFF ON ON
Dc Inverter VRF plus Water Heater Solution Service Manual 4（I / O） Selecting of ambient temperature sensor (Only for ducted units): A. Selecting of mainboard ambient temperature sensor(TAmbient and receiver head temperature sensor(TAmbient1); B. This function will be effective when mainboard
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 3 WIRELESS REMOTE CONTROLLER NOTE! ① Make sure that there is no obstruction between the remote control and the signal receptor. ② The remote control signal can be received at the distance of up to about 10m. ③ Don’t drop or throw the
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL NOTE! This type of remote control is a kind of general use remote control that is suitable for several types (function) of air conditioner units. Please understand that the functions and buttons that are not suitable for this air
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL How to insert batteries Two batteries (Two AAA dry-cell batteries) are used by the remote control 1. Remote the cover from the back of the remote control downward, take out the worn batteries and insert two new ones (Make sure the
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 4 WIRED CONTROLLER 4.1 wired controller of indoor unit 4.1.1Operation and Display View Z60151F、Z60351F MODE FAN SWING SLEEP TIMER ON/OFF Fig.4.1.1 Various Components of Wired Remote Controller 1 Operating mode display (Cool, Dry,
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Every part of wired remote controller 1 Operating mode display (Cool, Dry, Fan, Heat) 9 On/Off button 2 Sleep mode display 10 Timer button 3 Environmental temp.display / Malfunction display 11 Swing button 4 Fan control display
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 4.1.3 Installation 1 2 3 4 Fig.4.3 Installation of wired controller SN 1 2 3 4 Name Casing base, installed into the wall Controller Soleplate Screw M4X25 Controller Panel ●Notice for installation under the guidance of Fig.10 1. Cut
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Applied for RQD5GA-K.RQD8GA-K.: Graphic Illustration of Wired Controller LCD No. Display Under instant water heating mode, it is allowed to activate Quick the auxiliary electric heating tube to heat the water in a Heating Hot Water
Dc Inverter VRF plus Water Heater Solution Service Manual Instant Heating CONTROL Immediately start water heating function according to preset temperature Mode Energy Saving Mode Immediately start water heating function according to preset temperature, but the upper limit of preset temperature is
Dc Inverter VRF plus Water Heater Solution Service Manual By pressing the inquiry key, the wired controller will enter Parameter into inquiry, in which case the operating parameter code of Inquiry 9 10 the machine is displayed Display the antifreeze running state of Hydro indoor unit Antifreeze
Dc Inverter VRF plus Water Heater Solution Service Manual Instant CONTROL Immediately start water heating function according to Heating preset temperature Mode Immediately start water heating function according to Energy preset temperature, but the upper limit of preset Saving Mode temperature is
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL ☆Buttons Applied for RQD5GA-K.RQD8GA-K: Key Functions No. Key Name 1 Check 2 Timer 3 Increase Key Functions Press Check key to enter into inquiry state. Press Check key to return to preset temperature and water tank temperature
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL water heating function. 8 ON/OFF 4 Mode and 7 Decrease Forcing water pump to run 3 Increase and 7 Decrease Key Lock Switch on or off the machine Under OFF state, you may hold down MODE and “-» keys simultaneously for 5 seconds to
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL press TIMER key to set the system time. 3 Increase 7 Decrease 4 Mode 5 Sterilize 6 Temp/Rap id 8 ON/OFF 4 Mode and 7 Decrease Cleaning Function 3 Increase and 7 Decrease Key Lock （1） Set the temperature: The range of water
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 4.2.3 Display Applied for RQD5GA-K.RQD8GA-K.: Applied for RQD5GB-K.RQ5GB-K .RQD8GB-K .RQ8GB-K .RQD20LA-M.RQD30LA-M.RQ20LA-K.RQ30LAK: 4.2.4 Size of Control Device 94
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 4.2.5 Installation of Wired Controller 95
Dc Inverter VRF plus Water Heater Solution Service Manual Fig. 3.1 CONTROL Installation Schematics of Wired Controller No. 1 2 3 4 5 Name Socket housing installed in wall Base plate of controller Screw M4X25 Control Panel Screw ST2.2X6.5 Fig. 3.1 illustrates the simple installation process of wired
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Connection Diagram Wired Controller of Hydro-box Exclusive 4-pin twisted pair line Main board of hydor-box CN1 Connecting terminal of 4-pin wire 5 FIELD CONTROLLER 5.1 Function Region monitoring control and region wired control are
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL wired controller5.2 Operation View （Fig.5.2） Instruction to functions of buttons (Table 5.1) No. Name 1 FUNC (FUNCTION ) 2 MODE 3 ▲ 4 ▼ 5 FAN 6 TIMER 7 ON/OFF 2MODE and 7 ON/OFF Lock 2MODE and 6 TIMER Shield mode 4 ▼and 6 TIMER 7
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 5.3 Display View (Fig.5.3) No. Display name 1 Control mode 2 Running mode 3 Error 4 － 5 6 7 Fan speed display Swing Timer 8 No. of indoor unit 9 Room temp. 10 Shield 11 12 Force ℃ (room temp.) 13 Room temp. or error code 14 15 Melt
Dc Inverter VRF plus Water Heater Solution Service Manual 16 Set 17 ℃ (set temp.) 18 HR (hour) 19 .5 20 Setting temp. timer time and CONTROL “SET” blinks when the unit is on and commanded. “SET” is displayed when the unit is on without command. Set temp. value is displayed when the selected indoor
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 6 CENTRALIZED CONTROLLER 6.1 Function Main characteristics of Centralized Controller: ◆ A set of Centralized Controller can control 64 communication modules and can connect to as much as 1024 indoor units. It can conduct individual
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Assembly room 1 Assembly room 2 1，2，3，4 03 5，6，7，8 WC 上 2）Frame Diagram of System Net 102
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Instruction to Frame Diagram of System Net Mark A:Outdoor Unit GMV(L)-Pd160W/NaB-K can be connected with up to 16 indoor units. In this project, this outdoor unit is connected with the communication module with address of 01 and
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Pinboard 2： 3-core neilsbed connects with indoor unit or communication module and 4-core neilsbed with outdoor unit Pinboard 1： 3-core neilsbed connects with indoor unit or modules, and 4-core neilsbed with outdoor unit Mark C:
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL C. Connection of communication modules COM 1 of communication module can connect with indoor and outdoor unit. The two COM2 can connect with other communication module or centralized controller. As shown in the following figure: D.
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL In this case, there are two methods to connection of them. Method 1: Welding Weld the two cutting terminals by yellow to yellow and brown to brown, as shown below: And then weld the terminals of communication line to COM1 with the
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Method 2: Triple adapter Make crystal heads for the three lines. The connection direction should be the sameas in the above welding figures, i.e. yellow to yellow and brown to brown wire of indoor and outdoor units, but yellow to
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Note: The above figure is only for reference to relation among the equipments. The actual wiring is subject to the above frame diagram of system ●Step 3: There are two methods of DIP address setting of communication module Method 1:
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Dial the 3 rods to OFF. 2.Open the cover of communication module as below: The 8-digital DIP is as below: 109
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Set DIP for address according to the following table. Address from 0 to 31 Address DIP S2 DIP S3 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 2 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 3 0
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL Address from 64 to 95 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 2 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 DIP S2 3 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 4 0 0
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 2. When ADDRESS SETTING is blinking, press SELECT button into address setting interface. Hard address Soft address Press LEFT or RIGHT button to switch between SOFT and Hard ADDRESS settings, and UP or Down button to adjust their
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL A. Connection of communication lines ① If incorrect or non-connection of communication module, centralized controller and communication line of indoor and outdoor units, the green indicator will be black all the time. ② It indicates
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 7 MONITORING SOFTWARE 7.1 Function As the development and improvement of manufacturing technology and in order to solve the problems of complex distribution of the central AC in the buildings and difficult control and maintenance of
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL crystal head（crystal head buckle is downwards） 2. Wiring Diagram Description of above communication cables Cable Description D1 crystal head and the other end is XH 4-core pin connector（2-core Type-V twisted pair wire） D2 both
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 7.3 Hardware 7.3.1. Introduction to Main Devices 7.3.1.1 R232-R485 Optoelectronic Isolated Converter (standard parts) 1）Function Introduction: z R232-R485 optoelectronic Isolated converter is used to convert the signal 232 of PC COM
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 4）Installation Criteria: z It must be installed indoors to avoid knock, insolation or rainwater and is better to be put in the monitoring room. z This device must be the original one in the factory. Never self-buy the models for
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 3）Installation Dimension 4）Installation Criteria: z It must be installed indoors to avoid knock, insolation or rainwater and is better to be put in centralized control cabinet z This device must be the original one in the factory.
Dc Inverter VRF plus Water Heater Solution Service Manual 3）Installation Dimension: Description Distance to top side（mm） Hanging Hole 35 CONTROL Diameter（mm） 5 4）Use Instruction to Communication Module z The Sketch Map of COM, as shown below: Power z Use Instruction Please check the user manual of
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 7.3.1.4 Centralized Control Cabinet (user provided parts) 1）Function Instruction: z It can put the communication modules together for convenient centralized management and reliable operation. 2）Dimension: z The following dimension is
Dc Inverter VRF plus Water Heater Solution Service Manual CONTROL 3）Installation Criteria: The dimension of the cabinet should be designed according to quantity , arrangement and put position of the communication modules before make of it. z Independent power supply for each communication module is
Gree Commercial AC Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 122
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION INSTALLATION 1 PRECAUTIONS FOR INSTALLATION 1.1 Precautions for Installation Before installation, please ensure if the installing site, power ratings, possible operating range (pipe distance, height difference between indoor and
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 1.2 Key Points of Installation Installation Procedures Description and Acceptance Criteria 1. The materials specified on the engineering drawing shall be purchased as specified (e.g. copper tube, thermal insulation tube, PVC
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 1. The copper tube must meet the specifications. 2. Ensure it is dry and clean inside the tube. 3. Make sure to charge nitrogen as required for protection when welding the tubes. Welding 4. Please keep to the welding process and
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 1.3 FLOW CHART OF INSTALLATION Design 设计交底 Kicking-off 材料的选购 Material selection Inspection of site 现场安装位置审核 installation position 安装室内机 安装连接管 Installation of indoor unit Installation of connection pipes 安装室外机 Installation of
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 2 TOOLS FOR INSTALLATION 2.1 Common Tools S/N Material Three-stage distribution cabinet Specification unit —— set 15 —— pcs 16 3 Light Fire extinguisher —— pcs 17 Momental spanner Non-adjustabl e wrench Adjustable wrench 4
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 3 SELECTION OF INSTALLATION MATERIAL Materials and equipments for installation shall have correspongding certificate of qualification and inspection report. If there is fire resistance requirements for the product, there shall
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION hot galvanizing steel pipe：Φ25mm×3.25mm，Φ32mm×3.25mm，Φ40mm×3.5mm， Φ50mm×3.5mm。 3.4 Heat Insulating Materials a.NPR-PVC； b. Non-flammable grade is B1. c. Refractoriness shall not be less than 120℃ d. Thickness of heat insulating
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 4 INSTALLATION SCHEMATIC DIAGRAM 4.1 Installation Schematic Diagram of Units with Side Air Outlet Applied for GMV-Pds100W/Na-K.GMV-Pds120W/Na-K.GMV-Pds140W/Na-K.GMV-Pds160W/Na-K equipped with RQD8GA-K and RQD5GA-K
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Installation Schematics B single pipe heat exchanger for Solar pressure water tank (with signle pipe heat exchanger in) single pipe heat exchanger for Hydro unit Manual Vent Valve A Hot water out Water Inlet Hydro indoor unit
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Skecth map of installation A（only water tank） Diagram A Model of Hydro-box GMV-Pds224W/Na-M RQ20LA-K GMV-Pds280W/Na-M RQ30LA-K Recommended water tank SXD350LC-K or SXD400LC-K SXD350LC-K or SXD400LC-K （ （ ） ） Skecth map of
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Ducted Skecth map of installation C（with solar and water tank） Diagram C Model of Hydro-box GMV-Pds224W/Na-M RQ20LA-K GMV-Pds280W/Na-M RQ30LA-K Recommended water tank SXVD350LCJ/A-Kor SXVD400LCJ/A-K SXVD350LCJ/A-Kor
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION （ （ ） ） Skecth map of installation D（with solar,floor heater and water tank） Diagram D Model of Hydro-box GMV-Pds224W/Na RQD20LA-M GMV-Pds280W/Na-M RQD30LA-M-M Recommended water tank SXVD350LCJ2/A-K or SXVD400LCJ2/A-K
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Skecth map of installation E（for floor heating） Diagram E Model of hydro-box No need for floor heating GMV-Pds224W/Na-M RQD20LA-M / GMV-Pds280W/Na-M RQD30LA-M / The above installtion methods can be selected for installation of
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Never remove any packaging materials. As shown, insert two ropes through the square holes on the machine and protect the machine with batten and corrugated paper. 不得拆去木头框 Never remove the wood frame and 架与塑料绑带 plastic straps. 绳索
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION exhaust enough air. Ensure that there is no obstruction at the inlet and outlet of the machine. If any, please remove the obstructions blocking the air inlet and outlet. Also ensure that the outlet air and noise from the air
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 5.3 Dimension and Hole Site GMV-Pds100W/Na-K，GMV-Pds120W/Na-K, GMV-Pds140W/Na-K, GMV-Pds160W/Na-K Fix the support legs and underframe of the unit with M 12 bolts and install the unit on the concrete foundation with 10cm
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION GMV-Pds224W/Na-M.GMV-Pds280W/Na-M Outdoor Unit Installation Holes 5.4 Space dimension for installation of the unit is shown below. 5.4.1 Installation Dimension of the Unit with Side Air Outlet ☆
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Electrical Box. Outlet on this side. If the unit is surrounded by walls, the above basic requirements for installation should be met. For the state that front side and right/left side of the outdoor unit is open: No limitation
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION No limitation to wall height Rear side Front side Rear side Front side Distance from the net unit Up to 4 units in a line Install the units back to back: No limitation to wall height Front side Ream side Ream side Front side
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION ☆In consideration of seasonal wind during installation of outdoor units Correct Incorrect Correct Protector Fresh air inlet One side (rear side) Fresh air inlet One side (rear side) Fresh air inlet One side (rear side) Fresh air
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 6 INSTALLATION OF INDOOR UNIT 6.1 Duct Type 6.1.1 Selection of installation site ● The selection of the installation place of the air conditioner unit The installation must accord with the national and local safe criterion.
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 1.The following figure is applicable to the indoor units of GMV(L)-R22P/Na-K, GMV(L)-R25P/Na-K, GMV(L)-R28P/Na-K, GMV(L)-R32P/Na-K, GMV(L)-R36P/Na-K，GMV(L)-R40P/Na-K, Electric box Nameplate Liquid pipe Gas pipe Rear air return
Dc Inverter VRF plus Water Heater Solution Service Manual Model GMV（L）-R45P/ Na-K GMV（L）-R50P/ Na-K GMV（L）-R56P/ Na-K GMV（L）-R63P/ Na-K GMV（L）-R71P/ Na-K GMV（L）-R80P/ Na-K GMV（L）-R90P/ Na-K GMV（L）-R100P/ Na-K GMV（L）-R112P/ Na-K GMV（L）-R125P/ Na-K GMV（L）-R140P/ Na-K Model GMV（L）-R45P/ Na-K A(mm) 932
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 4.The following figure is applicable to the indoor units of GMV（L）-R45P/NaB-K、 GMV（L）-R56P/NaB-K、GMV（L）-R71P/NaB-K、GMV（L）-R90P/NaB-K、 GMV（L）-R112P/NaB-K、GMV（L）-R140P/NaB-K、GMV（L）-R45PS/NaB-K、 GMV（L）
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 6.1.2Installation space requirements Nut with washer Nut spring pad 6.1.3 Installation demonstration ① Selection of style of return air 4 5 Wind supply Supply air 2 1 Back wind Return air Install the back wind pipe (a) Install
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION ③ Installation of air supply duct Ceiling hoisting Back air wind Return Wind supply Supply air Return air Back wind No. 1 2 3 4 5 6 Name Hoisting Return air duct Ducted type indoor unit Return air inlet Supply air bent Air
Dc Inverter VRF plus Water Heater Solution Service Manual 6.2 INSTALLATION 4-way cassett type Unit 6.2.1 Selection of installation site 1. Obstruct should put away from the inlet or outlet of the indoor unit so that the airflow can be blown though all the room. 2. Make sure that the installation
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 6.2.2 Dimensions Data GMV(L)-R28T/Na-K, GMV(L)-R36T/Na-K, GMV(L)-R45T/Na-K, GMV(L)-R50T/Na-K, GMV(L)-R56T/Na-K, GMV(L)-R63T/Na-K, GMV(L)-R71T/Na-K, GMV(L)-R80T/Na-K, GMV(L)-R90T/Na-K, GMV(L)-R100T/Na-K, GMV(L)-R112T/Na-K,
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 6.2.3 Installation space requirements GMV(L)-R28T/Na-K, GMV(L)-R36T/Na-K, GMV(L)-R45T/Na-K, GMV(L)-R50T/Na-K, GMV(L)-R56T/Na-K, GMV(L)-R63T/Na-K, GMV(L)-R71T/Na-K, GMV(L)-R80T/Na-K, GMV(L)-R90T/Na-K, GMV(L)-R100T/Na-K,
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION hose at the outlet vent by bolt. 3 Adjust the unit to the suitable installing place. (Refer to the fig.2) 4 Check if the unit is horizontal. ☆ Inner drainage pump and bobber switch are included in the indoor unit. Check if 4
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Smear freeze motoroil here Median sponge (attachment) (entwine the wiring interface with seal mat) Thread fasten(x4) Torque wrench Heat preservation sheath of liquid inlet tube (attachment) (for liquid tube) Spanner Gas
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION right angle with the unit, and distance to unit should not be beyond 300mm. Roof Drain hose Drain raising hose . 220mm below500mm Hoisting stand below280mm 1-1.5m . Within 300mm Clamp(attachment) Ceiling below500mm D ra in h o s
Dc Inverter VRF plus Water Heater Solution Service Manual 6.3 INSTALLATION 1-way cassett type Unit 6.3.1 Selection of installation site 1. Obstruct should be away from the air intake or outlet vent of the indoor unit so that the airflow blow all over the place of the room. 2. Make sure the
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 6.3.3 Clearance data 6.3.4 Installation demonstration Fig 3 156
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Hoisting the main body of the unit 1. Hoisting the main body Attach the hoisting stand base to hoisting screw. In order to firm the hoisting stand base, use nuts with washers on either end of it.(refer to Fig. 1) 2. Please refer
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Sponge (Gray) Drainage Hose Notice for drainage raising pipe ● The installation height should be less than 280mm. ● A right angle should be formed by the drainage raising pipe and unit, which should not be more than 300mm far
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Front panel body and installation ● 1.Take off the front panel from the panel body. 2. AS shown in Fig.4, install the panel body, and then tighten the screws according to the sequences in the figures. 3 .As shown in Fig.5,
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION ceiling >150 ceiling >150 wall >3000 >2000 >150 unit:mm ground ground Important Notice: ① The unit must be installed by the professional personnel according to this install instruction to ensure the well use. ② Please contact
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION ● Install the drainage hose ☆ For well draining, the drainage hose should be placed at a downward slant. ☆ Wrenched Bent Do not wrench or bend the drainage hose or flood its end bywater. (Fig.2) Flooded ☆ Wrap heat resistant
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 6.5.2 Dimensions Data Installation dimensions Outline dimensions Model E D A B C GMVL-R28Zd/Na-K GMV-R28Zd/Na-K 260 745 840 695 238 GMVL-R36Zd/Na-K GMV-R36Zd/Na-K 260 745 840 695 238 GM(L-R50Zd/Na-K GMV-R50Zd/Na-K 260 745 840
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 6.5.3 Installation space requirements ☆ The space around the unit is adequate for ventilation (Refer to Fig.1) Fig.1 6.5.4 Installation demonstration ● There are 2 styles of installation ☆ Ceiling type ☆ Floor type Each type is
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 3. Set the suspension bolt. (Use W3/8 or M10 size suspension bolts) ☆ Adjust the distance from the unit to the ceiling slab beforehand (Refer to Fig.4) 4. Fix the hanger bracket to the suspension bolt. Warning！ ☆ Make sure that
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 165
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 7 INSTALLATION OF HYDRO-BOX 7.1 Dimension of Hydro-box Applicable to RQD8GA-K、RQD5GA-K、RQ8GB-K、RQ5GB-K Dimension（mm）（W×D×H） 650×300×250 Power Specification Refrigerants Dimension of Pipe Water 220V 50Hz
Liquid pipe Gas Pipe
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Wall Mounting Hole: Ceiling Mounting: Floor Standing: Floor Standing and Ceiling Mounting Hole: 167
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 7.2.2 Applicable to RQ20LA-K.RQ30LA-K.RQD20LA-M.RQD30LA-M Floor Standing: 168
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 169
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 7.3 Connecting Pipe between Outdoor Unit and Hydro-box Connect outdoor unit with hydro-box by refrigerants piping Model RQD5GA-K RQD8GA-K RQD8GB-K RQD5GB-K RQ8GB-K RQ5GB-K RQ20LA-K RQ30LA-K RQD20LA-M RQD30LA-M Refrigerants Pipe
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 8 INSTALLATION OF WATER TANK 8.1 Cautions of Installation If it is installed in the places below, the malfunction may be caused ( if it can’t be avoided, please consult us ): 1) The place where there is any kinds of mineral oil.
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Check Valve Faucet Water water tank by using PPR pipe. Note: To ensure safety during use of water, the inlet and outlet of water tank must be connected with a specific length of PPR pipe. The length “L» is calculated as below:
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Units with capacity between 20kW and 60 kW Allowable V l Total length (actual length) of fitting pipe Fitting Pipe L0+L1+L2+L3+L4+L5+L6+a+b+…+i+j 300m Actual length 100m Equivalent length 125m length from the first branch to the
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Units with capacity between 10kW and 19 kW Allowable Value Pipe 100, 120, 140, 160 150m L1+L2+L3+ 2L4+a+b+c+d 50m 60m L1+L2+L3+d 20m L2+L3+d Outdoor unit on upper 25m —— Outdoor unit at lower 20m —— 10m —— 5m —— 10m L4 10 m L5
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION ③ The diameter of the piping from the branch joint (branch pipe) to the indoor unit R410a refrigerant system Outdoor capacity code C Gas pipe (mm/inch) Liquid pipe(mm/inch) 22, 28 Type φ9.52 φ6.35 36, 45, 50 Type φ12.7 φ6.35 56,
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 10.2 Three Principles of Refrigerant Piping Installation Keep to the three principles of refrigerant piping: Key Factors Invasion of outside water Example: Rainwater, engineering water Invasion of indoor condensate Formation of
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION CAUTION: Never let the pipe in direct contact with the fixing metal parts. Thermal insulation shall be provided around the fixing metal parts; otherwise, condensing will occur. 2）Fixing of vertical pipe The vertical pipe may be
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 4）Cut·Chamfer Cut a) Cut vertically to axis direction by using special pipe cutter that is suitable to the dimension of copper pipe (big, medium, small). b) During operation, press and rotate the pipe cutter slowly and cut off
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Too much eliminated The contact face becomes small Flared nut 5）Pipe bending ◆ Work Methods: a) Bend by hand ………………………..Suitable to fine copper pipe (φ6.35mm-φ12.7mm). b) Machining with spring pipe bender …….. Bend by inserting
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Steel pipe Jacketed bender Inner side wrinkled and deformed Bent, with fissure occurring on this side Section The copper pipe might be deformed even if it is not bent Correct section Bend section 6）Flaring The flaring refers to
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Outer diameter of pipe D (mm) Min. insert depth B (mm) ф6.35 6 ф9.52, ф12.7 7 ф15.8 8 ф19.05, ф22.2, ф25.4 10 ф28.6, ф31.8 ≥ф35 12 14 D A See below for the welding size of copper pipe: Clearance A-D 0.05～0.21 0.05～0.27 0.05～0.35
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Connection of branch pipe The Y-type branch pipe is installed with additional tube. The purpose is to adjust the different pipe diameters. If the pipe size selected on site is different from the size of branch connector, please
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 10.7 Welding of Copper Pipe 1）Braze welding Materials for braze welding There are two kinds of braze welding, soft braze welding and hard braze welding. Hard braze welding is required in this case. Selection of braze welding Red
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION i. To avoid the position difficult to weld, you may add a prefabricated assembly below. Drainage pipe Difficult to weld at this position 3）Operation order Basic procedures for welding: Assemble copper pipes Cleaning Check
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Pressure is 0.05
0.3MPa. Nitrogen flow of 4
6L/min (gas flow can be sensed by hand) shall be guaranteed to charge in work pieces. After assembling, nitrogen begins to charge until welding is finished and will continue over 10s
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION ◆ When braze welding is to be performed underneath, a simple support shall be built, such as two ladders. ◆Braze welding shall be easy to operate downward or in transverse direction. In upward operation, brazing filler metal is
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION After a section of pipeline is welded, cleaning of piping is necessary. Nitrogen pressure is utilized to remove foreign matters (such as dust, water and beryllium oxide caused by welding) in the piping. 1）Main purposes of
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Operating Steps: ◆ Pressurization Use nitrogen to add pressure from Freon nozzle of the gas and liquid pipe on outdoor unit side: Step 1: Increase the pressure to 0.3MPa and wait for 3 minutes or longer Step 2: Increase the
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 1）Connection of thermal insulation pipe Carry out thermal insulation to the refrigerant pipe after confirming that it has no leakage. Please perform thermal insulation to the refrigerant pipe according to the steps below ◆Check
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION When wrapping the thermal insulation tape, each circle shall suppress half of the previous circle. To avoid reducing the thermal isolation effect, do not wrap the tapes too tight. After completing the protection work and
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION b. Continue for 0.5
1.0 hour after the vacuum level reaches -0.1MPa (gauge pressure -1kgf/cm2). Then, close the “VH” knob on high pressure end and “VL” knob on low pressure end to stop the vacuum pump. c. Remove the hose
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION full-load cooling mode. Open VH and discharge air in the hose. The high pressure end of pressure gauge is connected to the refrigerant filling nozzle on the small valve of outdoor unit. Open VL and charge gas state refrigerant
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 11 INSTALLATION OF ELECTRONIC EXPANSION VALVE PARTS 11.1 Direction Requirements To ensure normal operation of the unit, please connect the electronic expansion valve sub-assembly as shown below. Ensure that the vertical arrow
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION unit. （3） Pipe connection: Tighten the nuts with your hands correctly. Then, use another spanner to hold the pipe joint on machine side and use torque wrench to tighten securely. Hold the spanner Pipe on indoor unit side Rotate
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION gradient smooth and straight, avoid intersecting with other pipelines. The height of the clamp fixing the pipe hanger frame shall be adjustable and fixed from the outer of thermal insulation. 3).Distance between hanger frames:
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 10) Steel sheath shall be provided to the pipe crossing the wall or slab. The pipe joint shall not be positioned within the sheath. The steel sheath shall be flush with the wall surface or slab base, but 20mm higher than the
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 16). If the air flow of indoor unit is high, this might cause negative pressure and result in return suction of outdoor air. Therefore, U-type water trap shall be designed on the drainage side of each indoor unit. Indoor unit.
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Connection of drain elbow NO3: Connection of horizontal pipe Connection of horizontal pipe Drainage pipe is requisite for air conditioner unit. During cooling, the moisture in the air will condense on the surface of evaporator.
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Big sponge (accessory) Clamp Clamp (accessory) Drainage hose Sponge (grey) Below 4mm C. To prevent foreign articles from entering the pipe, please minimize the bend of pipeline, thus to ensure cleanliness of the drainage elbow.
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION ¾ The diameter of drainage pipe shall be equal to or higher than the diameter of connection pipe (PVC pipe) (exclusive of the rise section). ¾ The drainage pipe shall be short and has a down gradient of 1/100 at least, thus to
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Big sponge (accessory) Clamp Sponge (grey) ¾ Clamp (accessory) Drainage hose Below 4mm To connect the drainage pipes for multiple machines, please use the method of multi-pipe collection, as shown below. Over 100mm Introduce
Dc Inverter VRF plus Water Heater Solution Service Manual Protrusion INSTALLATION Twisting Do not immerse in water. ¾ The extended section of drainage hose shall be wrapped with thermal insulation sheath when passing the room. Thermal insulation of condensate pipe Pipe cover ¾ Fig.3.41 After
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 12.4 Requirements of Heat Preservation ¾ Heat Insulation Materials The thermal insulation material of obturator foam shall be used. Fireproof level: B1. The thermal conductivity shall not be higher than 0.035w/ (m·k) when the
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 13 INSTALLATION OF WATER PIPELINE 13.1 Pipeline between Hydro-box and Water Tank Preparation of Pipe: the PPR pipe with outer diameter dn25 which is S2.5 series (thickess is 4.2mm) is recommended.Hot-water pipes are applied as
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Caution: 1. The parts of actual line and imaginary line ( except ground wire)of water tank with electric auxiliary heater shall be installed and connected. But only the part of actual line of water tank without electric
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 14 ELECTRICAL INSTALLATION 14.1 Precautions for Electrical Installation Itemized Description of Cautions. The electrical installation must be done by professional electricians. The electrical installation must be done in
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 14.2 Specifications of power cord & circuit breaker Model Power supply (V,Ph,Hz) Capability of circuit breaker (A) Min. sectional area 2 of earth lead (mm ) Min. sectional area of power cord (mm2) GMV-Pds100W/Na-K 220V
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION mainboard temp sensor 1 mainboard communication wire CN20 outdoor unit temp sensor 2 hydro-box water tank patching board electric box patching board L N L1 L2 L3 N L1 L2 L3 N PE L N 1 2 Leakage switch is needed for system power
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 14.4.1 Dial-up of indoor unit mainboard and wire remote controller 1)Address code Address dial-up must be set for the multi indoor units; otherwise the abnormal communication will be caused to the unit. The address code has
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION ☆ Dial-up Value The dial-up value of address code is set in binary system. The dial-up value is “0” when the lever is dialed to “ON” end; the dial-up is “1” when the lever is dialed to numerical end on opposite side. For number
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Dial-up Table (4-bit Dial-up Switch) Bit 4 Bit 3 Bit 2 Bit 1 Capacity: 0 0 0 0 20 0 0 0 1 25 0 0 1 0 30 0 0 1 1 35 0 1 0 0 40 0 1 0 1 45 0 1 1 0 50 0 1 1 1 60 1 0 0 0 224 1 0 0 1 70 1 0 1 0 80 1 0 1 1 90 1 1 0 0 100 1 1 0 1 112
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION Dial-up switch 3 (M/S): The setting of master / slave indoor unit refers to the master / slave setting of indoor run mode, mainly used to meet the needs of special people on priority (e.g. leader, patients, etc). The factory
Dc Inverter VRF plus Water Heater Solution Service Manual Rated heating capacity of Setting on Rated heating capacity wired of water tank coil is water tank coil is default value of capacity of cap INSTALLATION Setting on wired controller of default value of capacity controller of water tank
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION 15 DEBUGGING OF THE UNIT 15.1 Preparation for the Debugging 15.1.1 Preparation of Tools and Equipments a． Please confirm if the tools below have been prepared. Inner hexagon spanner Heat indicator Adjustable wrench
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION huge unit shall be laid by cable tray, both of which shall not be exposed to sunshine or rain. a. Selection of Cable : Type: rubber, PVC Line Width: According to the length of the cable and its model, confirm the width of the
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION mode can be executed immediately. When the debugging has been finished, record the data and make a report to users. 15.4 Debugging of Water Heating 15.4.1 Preparation before Debugging 1. Check if the unit has been installed
Gree Commercial AC Dc Inverter VRF plus Water Heater Solution Service Manual MAINTENANCE 217
Dc Inverter VRF plus Water Heater Solution Service Manual MAINTENANCE MAINTENANCE 1 PURPOSE In order to guarantee the working life and reliable running of the unit and decrease the the failure rate, please execute the cleanout and maintenance periodically. 2 ROUTINE WORK 2.1 Cleanout of the Water
Dc Inverter VRF plus Water Heater Solution Service Manual ① MAINTENANCE Don’t put any thing on the unit and its accessories. Keep the surroundings dry and clean as well as good ventilation. Clean the condensator in time when there is heavy dust on it. ② Periodically (once every week) clean the
Dc Inverter VRF plus Water Heater Solution Service Manual MAINTENANCE 3 ANTI-FREEZING PROJECT IN WINTER 3.1 Cautions of Water System Don’t place it in the extremely cold environment,or the environment where the ice is easily freezen Don’t installed it in a place which can’t drain water. Blow-off
Dc Inverter VRF plus Water Heater Solution Service Manual MAINTENANCE Front panel 1）Disassemble the front panel of outdoor unit Drain screw cap 2） There is a drain on side Tube in tube which is on lower part of the front. Unscrew the cap of the drain to drain water. 221
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING SERVICING 222
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING SERVICING 1 LIST OF UNIT ERRORS 1.1 List of Error Display on Wired Controller Error Code Error Description Source of Error Signal E1 Compressor high-pressure protection High-pressure Switch E2 Indoor antifreeze protection
Dc Inverter VRF plus Water Heater Solution Service Manual F4 Outdoor ambient temperature sensor error Outdoor environment sensor F7 Outdoor defrost temperature sensor error Outdoor Defrost Sensor F9 Exhaust temperature sensor error Exhaust temperature sensor SERVICING Test for 30 seconds
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Indoor tube-inlet sensor error F1 Communication error E6 Indoor tube-middle sensor error F2 High-pressure valve error Fc Indoor tube-exit sensor error F3 Low-pressure valve error Fd F9 Water-full protection (Cassette) Eb Error with
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 1.2 Display Code on Digital Tube of Outdoor Mainboard Error Display on Digital Tube Display on Indoor Unit PH DC overvoltage protection Module overheat protection Current test circuit fault Module temperature sensor fault
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2 FLOW CHART OF TROUBLESHOOTING 2.1 High-pressure protection High-pressure protection 高压保护 用压力表 Use pressure gauge to measure if the pressure is 测量其压力是否为 really high? 真正高压？ 否 No Yes 是 Replace the mainboard of outdoor unit 更换室外机主板 否
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2.2 Low-pressure protection 低 压 保protection 护 Low-pressure Yes 用压力 Use pressure gauge to 表测 量 压if力 否真正 measure the是 pressure is really 为 低 压low? ？ No 否 Refer sensor 参to照low 低pressure 压传感器 故 障error Yes 是 检查 Check if the refrigerant
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2.3 Exhaust Temperature Protection Exhaust Temperature Protection Yes Measure if the exhaust temperature of compressor reaches 118℃? No Measure if the resistance of temperature sensor is correct? No Yes No When the exhaust
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2.4 Compressor overcurrent protection Abnormal overcurrent error Yes If the compressor wiring is correct No Adjust the compressor wiring Yes If the current value is higher than the preset value of protector No Replace the
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Overcurrent occurs in operation, i.e. the indicator will display the current protection just after startup. Check the indoor units for matching Yes Within 135% No Correct the match of indoor units to allowable capacity Yes Check if
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2.5 Communication error Communication 通讯故障error Yes 检查 Check if the 室内机通讯线连接是否 communication line of indoor unit is connected 正确？ 否 No 确认插头与插口的 Check the orientation of plug and socket 方位 Yes 是 测量 Measure if the 通讯线是否为
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2.6 Water-full protection Fault display Yes Check if the water overflows? No No If the voltage of liquid level switch terminal is correct? Yes Yes If the drainage pump is running? No Check the liquid level switch No If the voltage
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2.8 No energization to the unit and mainboard No energization to the unit 机组及主板不得电 and mainboard Yes 是 If 机组内接线板L、N是否 the voltage of L & N on terminal board inside the unit 为220V is 220V No 否 Check the power supply of 检查接线板电源是否故障
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2.9 PFC protection E5 displayed on hand controller Mainboard nixietube Monitor display PFC abnorma Display Hc Cut off the power for 1 minute or reduce the busbar voltage to 36V or lower. Then, check the mainboard. No If it is
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2.10 IPM protection E5 displayed on hand controller Mainboard nixietube Monitor display Display Hc IPM protection Cut off the power for 1 minute or reduce the busbar voltage to 36V or lower. Then, Check Mainboard. No If it is
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2.11 Tripping Tripping Check if it is leakage and the switch changed, Yes No If the switching capacity can meet the requirements? No Yes Tripped once energized No Yes Check if the PFC module in the mainboard is short circuiting.
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2.12 Radiator overheat protection E5 displayed on hand controller Mainboard nixietube Monitor display Radiator overheat protection Display Hc If the outdoor unit is in good radiation? No If the air outlet and air intake of the
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2.13 Overvoltage protection of DC voltage E5 displayed on hand controller Mainboard nixietube Monitor display Overvoltage protection of DC voltage Display Hc If the input voltage is 185V-264V? power within No Yes If it happens
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 3 CIRCUIT DIAGRAM 3.1 Introduction of Major Electrical Elements Name Photo Function Introduction Filter board Main functions: 1) Filter the power interference and ensure the anti-interference ability of the unit under poor quality
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 3.2 WIRING DIADRAM 3.2.1 Circuit diagram of Outdoor Unit GMV-Pds100W/Na-K. GMV-Pds120W/Na-K. GMV-Pds140W/Na-K.GMV-Pds160W/Na-K GMV-Pds224W/Na-M.GMV-Pds280W/Na-M 241
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 3.2.2 Circuit Diagram of Indoor Unit GMV-R22P/Na-K,GMV-R25P/Na-K,GMV-R28P/Na-K,GMV-R32P/Na-K,GMV-R36P/Na-K,GMVL-R22P/Na-K ,GMVLR25P/Na-K,GMVL-R28P/Na-K, GMVL-R32P/Na-K,GMVL-R36P/Na-K GMV-R40P/Na-K ，GMV-R45P/Na-K ,GMV-R50P/Na-K,
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV-R56P/Na-K,GMV-R71P/Na-K,GMV-R80P/Na-K,GMVL-R56P/Na-K,GMVL-R71P/Na-K,GMVL-R80P/Na-K GMV-R63P/Na-K、GMVL-R63P/Na-K 243
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV-R90P/Na-K, GMV-R100P/Na-K GMV-R112P/Na-K,GMV-R140P/Na-K,GMVL-R90P/Na-K, GMVL-R100P/Na-K GMVL-R112P/Na-K,GMVL-R140P/Na-K GMV-R125P/Na-K,GMVL-R125P/Na-K GMV-R22P/NaB-K、GMV-R28P/NaB-K、GMV-R36P/NaB-K、GMV-R45P/NaB-K、GMV-R56P/NaB-K、
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV-R90P/NaB-K、GMV-R112P/NaB-K、GMV-R140P/NaB-K、GMVL-R90P/NaB-K、GMVL-R112P/NaB-K、 GMVL-R140P/NaB-K C1 C2 245
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV-R22PS/NaB-K、GMV-R28PS/NaB-K、GMV-R36PS/NaB-K、GMVL-R22PS/NaB-K、GMVL-R28PS/NaB-K、 GMVL-R36PS/NaB-K GMV-R45PS/NaB-K、GMV-R56PS/NaB-K、GMV-R71PS/NaB-K、GMVL-R45PS/NaB-K、GMVL-R56PS/NaB-K、 GMVL-R71PS/NaB-K 246
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV-R90PS/NaB-K、GMV-R112PS/NaB-K、GMV-R140PS/NaB-K、GMVL-R90PS/NaB-K、GMVL-R112PS/NaB-K、 GMVL-R140PS/NaB-K C1 C2 GMV-R22T/NaA-K、GMV-R28T/NaA-K、GMV-R36T/NaA-K、GMV-R45T/NaA-K、GMVL-R22T/NaA-K、
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV-R28T/Na-K,GMV-R36T/Na-K,GMV-R45T/Na-K,GMV-R50T/Na-K,GMV-R56T/Na-K, GMV-R63T/Na-K,GMV-R71T/Na-K,GMV-R80T/Na-K, GMV-R90T/Na-K, GMV-R100T/Na-K,GMV-R112T/Na-K,GMV-R125T/Na-K,GMV-R140T/Na-K,
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV-R22G/NaB-K,GMVL-R22G/NaB-K,GMV-R28G/NaB-K,GMVL-R28G/NaB-K,GMV-R36G/NaB-K,GMVL-R36G/N aB-K,GMV-R45G/NaB-K,GMVL-R45G/NaB-K GMV-R50G/NaB-K,GMV-R56G/NaB-K,GMVL-R50G/NaB-K,GMVL-R56G/NaB-K 249
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV-R22G/NaC-K,GMV-R28G/NaC-K ,GMV-R36G/NaC-K,GMV-R45G/NaC-K,GMVL-R22G/NaC-K,GMVL-R28G/Na C-K ,GMVL-R36G/NaC-K,GMVL-R45G/NaC-K GMV-R71G/Na-K,GMV-R80G/Na-K,GMVL-R71G/Na-K,GMVL-R80G/Na-K 250
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV-R28Zd/Na-K,GMV-R36Zd/Na-K,GMV-R50Zd/Na-K,GMV-R71Zd/Na-K,GMV-R90Zd/Na-K,GMV-R112Zd/Na-K,G MV-R125Zd/Na-K,GMVL-R28Zd/Na-K,GMVL-R36Zd/Na-K,GMVL-R50Zd/Na-K,GMVL-R71Zd/Na-K,GMVL-R90Zd/N a-K,GMVL-R112Zd/Na-K,GMVL-R125Zd/Na-K 3.2.3
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING RQD5GB-K.RQD8GB-K RQ5GB-K.RQ8GB-K 252
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING RQ30LA-K.RQ20LA-K: RQD30LA-M.RQD20LA-M: 253
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 4.1 Introduction of Main Parts GMV-Pds100W/Na-K.GMV-Pds120W/Na-K.GMV-Pds140W/Na-K.GMV-Pds160W/Na-K.RQD5GA -K.RQD8GA-K Illustration Name Function Compress or It is key part of air
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING High pressure liquid accumulator It is used for accumulating the residual liquid of refrigerants in cooling cycle. One-way valve Limit the refrigerants. Electromagnetic valve It is controlled by strong current. It is opened when it
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV-Pds224W/Na-M.GMV-Pds280W/Na-M.RQD20LA-M.RQD30LA-M.RQ20LA-K.RQ30LA-K Illustration Name Function Compressor It is key part of air conditioner which inhales the gas with low temp and low pressure, then compress it to be the gas
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Fan It accelerates the flow of air for better heat exchange. One-way valve Limit the flow direction of refrigerants. Filter Filter the impurity of refrigerants. High pressure liquid accumulator It is used for accumulating the
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 4.2 Outdoor Unit 4.2.1The Uni with Side Air Outlet GMV-Pds100W/Na-K.GMV-Pds120W/Na-K.GMV-Pds140W/Na-K.GMV-Pds160W/Na-K Disassembly and Assembly of Compressor Remarks : Make sure that there isn’t any refrigerant in pipe system and
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 5Fix the new compressor on base plate ●Position accurately the new compressor. ●Screw down fixing nuts for compressor with wrench. ●Do not up-side-down compressor during assembly. 6 ． Connection of suction and discharge pipe with
Dc Inverter VRF plus Water Heater Solution Service Manual 9 ． Recharge refrigerants by fluorin-feeding nozzle SERVICING ●Recharge refrigerants to the system by fluorin-feeding nozzle ●Volume of refilling should be in accordance with the requirement on the unit nameplate. Disassembly and Assembly of
Dc Inverter VRF plus Water Heater Solution Service Manual 4. Install the coil of 4-way valve SERVICING ●Place the coil of 4-way valve correctly. ●Tighten the screws with screwdriver. Disassembly and Assembly of electronic expansion valve Remarks：Make sure that there isn’t any refrigerant in pipe
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Disassembly and Assembly of Liquid Accumulator Remarks：Make sure that there isn’t any refrigerant in pipe system and the power supply is cut off before removal of the liquid accumulator Step Illustration Handling Instruction 1.
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 4． Screw retaining screws of liquid accumulator ● Screw retaining screws of liquid accumulator 5 ． Weld the accumulator connecting pipe. ● Connect the liquid accumulator and connecting pipe Note: keep the fire away from other
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 2 ． Unscrew the retaining screws of gas-liquid separator ● Unscrew the retaining screws of gas-liquid separator 3 ． Replace gas-liquid separator ● Replace gas-liquid separator ● Prevent the gas-liquid separator from dropping. ●
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Disassembly and Assembly of Oil Separator Remarks：Make sure that there isn’t any refrigerant in pipe system and the power supply is cut off before removal of the oil separator. Step Illustration Handling Instruction 1. Disconnect
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 4 ． Screw the retaining screws of oil separator ●Screw the retaining screws of oil separator 5 ． Weld the oil separator with connecting pipe ●Weld the oil separator with connecting pipe. Note: keep the fire away from other
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 3． The removal of side plate shall be based on practical situation. ● When the unit is in suspension setting, remove the side plate for convenience of servicing. 4． Unscrew the nuts on both ends of water pump to remove it. ●
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 4.2.2The Unit with Top Air Outlet GMV-Pds224W/Na-M.GMV-Pds280W/Na-M Disassembly and Assembly of External Casing Remark : Handling Instruction Step Illustration 1． Disassembly of the front plate ①Unscrew the bolts. ②Remove the front
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 4． Disassemble fan assy. ①Unscrew bolts ②Remove fan assy. 5． Disassemble front plate 1 and front lining board sub-assy ①Unscrew the bolts ②Remove front plate 1 ③Disassemble bolts ④ Remove the front lining board sub-assy. 5 ．
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Disassembly and Assembly of Compressor Remarks : Make sure there isn’t any refrigerant in pipe system and the power supply is cut off before removal of the compressor.. Step 1 ． Disconnect the electrical source wire 2.Take down the
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Disassembly and Assembly of 4-way valve Remark : Step Illustration Handling Instruction 1. Remove the coil of 4-way valve ①Use screwdriver to remove the screws fixing the coil 2．Use welding gun to unsolder the four pipes connected
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Disassembly and Assembly of electronic expansion valve Remark : Step Illustration Handling Instruction 1 ． Remove the coil of electronic expansion valve ①Remove the coil of electronic expansion valve 2 ． unsolder connected to
Dc Inverter VRF plus Water Heater Solution Service Manual Disassembly and Assembly of Fan and Fan Motor Remarks : Step Illustration SERVICING Handling Instruction 1 ． Disassembly of front plate ①Remove the bolts ②Disassemble the plate. 2． Disassembly of cover of electric box ①Remove the bolts
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING retaining 5． Disassembly of axial flow fan ①Disassemle nuts for the fans ②Remove fans 6． Disassembly of motor ①Disassemble the screws for motor ②Replace motor 7 ． Replace motor and assemble the unit according to the reversed steps
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Disassembly and Assembly of electrical parts box Remark : Step Illustration Handling Instruction the ①Remove the bolts; ②Remove the cover of electric box. 2 ． Disaasembly of electric box ①Unplug each power cord and communication
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Disassembly and Assembly of Vapour Liquid Separator Remark : Step Illustration Handling Instruction 1． Disconnect the gas-liquid separator with its pipeline. ①Disconnect the gas-liquid separator with its pipeline. 2 ． Remove the
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 4.3 Disassembly and Assembly of Indoor Unit 4.3.1 Duct-Type Unit Removal and Assembly of Fan Motor Remarks: Before removing the fan, make sure to cut off the power firstly. Step Illustration 1. Unplug the motor cables Handling
Dc Inverter VRF plus Water Heater Solution Service Manual 7. Replace with a new motor z SERVICING ●Assemble the unit in reverse to the disassembly procedures and energize it for testing. Duct-Type Unit（5.6 kW～8.0 kW） Removal and Assembly of Fan Motor Remarks: Before removing the fan, make sure to
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 5. Loosen the fan and motor. ●Use inner hexagonal spanner to loosen the screws on fan and remove the clamp fixing the motor. 6. Replace the motor ●Firstly, disengage the motor from motor support. Then, sequentially disengage the
Dc Inverter VRF plus Water Heater Solution Service Manual z SERVICING Duct-Type Unit（9.0 kW～14 kW） Removal and Assembly of Fan Motor Remarks: Before removing the fan, make sure to cut off the power firstly. Step Illustration 1. Unplug the motor cables Handling Instruction ●Cut off the power supply
Dc Inverter VRF plus Water Heater Solution Service Manual 7. Assemble the unit in reverse to the disassembly procedures SERVICING ●Assemble the unit in reverse to the disassembly procedures and energize it for testing. 4.3.2Cassette-type Unit Step 1. Loosen the screws fixing the water tray Removal
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 6. Remove the motor and replace it ● Remove the motor and replace it 7. Tighten the screws fixing the motor ● Use screwdriver to tighten the screws fixing the motor. 8. Mount the fan and tighten the fixing bolts ● Mount the fan and
Dc Inverter VRF plus Water Heater Solution Service Manual Removal and Installation of Drainage Pump Step 1. Loosen the screws fixing the water tray SERVICING Illustration Handling Instruction ● Use screwdriver to loosen the screws fixing the water tray 2. Remove the water tray ● Remove the water
Dc Inverter VRF plus Water Heater Solution Service Manual 4.3.3 Single-sided Cassette Unit Disassembly and Assembly of fans and motor Step 1 ． Remove the front panel assy SERVICING Illustration ● Press the switch on both sides of front panel to release it from the clasps.Then, remove the front
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 6 ． Unscrew the retaining screw of cover of motor ● Unscrew the retaining screw of cover of motor 7. Remove the motor cover assy. ● Remove the motor cover assy. 8. Unscrew the retaining screws of motor and motor shaft. Rotate the
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 12. Install the front case assy and screw the bolts. ● Install the front case assy and screw the bolts. 13. Install the front panel assy. ● Install the front panel assy and fix it . 4.3.4Wall-mounted Unit Removal and Wall-mounted
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Removal and Installation of Motor and Fan Remarks: Make sure that the power supply is cut off before removal of motor Step Illustration 1. Remove grill Handling Instruction ● Cut off the power supply for indoor unit. Loosen the
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 5 EXPLODED VIEWS AND PART LIST 5.1 Outdoor Unit ★ GMV-Pds100W/Na-K, GMV-Pds120W/Na-K Parts List： No. Part Name Code Qty 1 Rear Grill 01475432 1 2 Top cover plate 01255262 1 3 Condensator assy 01124166 1 4 Electric-box sub-assy
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 24 Filter φ19 07210037 1 25 4-way valve sub-assy2 04144166 1 26 4-way valve(3.5 HP)(R410A) 4300008201 1 27 4-way valve fittings( solenoid coil ) 4300040031 1 28 Rear side plate 01314168P 1 29 Handle 26235253 3 30 Cut-off valve
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Parts List： No. Part Name Code Qty 1 Rear Grill 01475432 1 2 Top cover plate 01255262 1 3 Condensator assy 01124169 1 4 Electric-box sub-assy 01394836 1 5 Electric box 26904131 1 6 Mainboard WZ6P30 30226209 1 30228115 1 46020018 1
Dc Inverter VRF plus Water Heater Solution Service Manual ★ 23 4-way valveFittings ( solenoid coil ) 24 SERVICING 4300040029 1 Filter φ19 07210037 1 25 4-way valve sub-assy2 04144166 1 26 4-way valve(3.5hp)(R410A) 4300008201 1 27 4-way valveFittings ( solenoid coil ) 4300040031 1 28 Rear side plate
Dc Inverter VRF plus Water Heater Solution Service Manual No. 1 2 3 4 5 6 7 8 9 Part Name Left side panel sub-assy Leading cover(VPd280)(apricot ash) Back cover plate front cover plate Windshield(left) Condenser assy Windshield（right） Fixing support sub-assy NO.2 Fixing support sub-assy NO.1
Dc Inverter VRF plus Water Heater Solution Service Manual 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 Axes flow wind leaf sub-assy (VPd280)(black) Motor support Motor SWZ750A
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 5.2 Hydro unit ★ RQD5GA-K,RQD8GA-K Exploded view 294
Dc Inverter VRF plus Water Heater Solution Service Manual Parts List： No. Part Name SERVICING Code Qty 1 ChassisSub-assy 01192808P 1 2 Upright Column 01852803P 2 3 Cut-off valveSub-assy2 07332811 1 4 Cut-off valveSub-assy1 07332810 1 5 Discharge PipeSub-assy 04364105 1 6 Rear Panel 02222812P 2 7
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING ★ RQ5GB-K,RQ8GB-K Exploded view 296
Dc Inverter VRF plus Water Heater Solution Service Manual Parts List: No. Part Name SERVICING Code Qty 1 Top Cover 01262817P 1 2 Electric Box Cover 01424256P 1 3 Main Board 30226228 1 4 Electric Box Assy 5 Column 01854113P 2 6 Supporter 1 01802828 1 7 Right Side Plate Sub-Assy 01312810P 1 8 Handle
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING ★ RQD5GB-K,RQD8GB-K Exploded view 298
Dc Inverter VRF plus Water Heater Solution Service Manual Parts List: No. Part Name SERVICING Code Qty 1 Top Cover 01264216P 1 2 Electric Box Cover 01424268P 1 3 Original PCB Mounting Plate Sub-Assy 01324367 1 4 Electric Box Assy 01392868 1 5 Panel front(rear) 01544141P 2 6 Enter Water Pipe
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING ★ RQD30LA-M Exploded View 300
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Parts List: No. Part Name Code Qty 1 Right Side Plate 01314302P 1 2 Front Panel 01544606P 1 3 Discharge PipeSub-assy 04364103 1 4 Auto Air Outlet Valve 07108208 1 5 Auxiliary Electric Heater DR5 320101091 1 6 Tube-in-tube
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING ★ RQ30LA-K Exploded View 302
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Parts List No. Part Name Code Qty 1 Right Side Plate 01314302P 1 2 Front Panel 01544606P 1 3 Discharge PipeSub-assy 04364103 1 4 Auto Air Outlet Valve 07108208 1 5 Tube-in-tube Connecting PipeSub-assy 05025171 1 6 Check Valve(DN20)
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 5.3 Indoor Unit_Exploded view and Parts List 5.3.1 Duct Type Unit （1）GMV(L)-R22P/Na-K,GMV(L)-R25P/Na-K,GMV(L)-R28P/Na-K,GMV(L)-R32P/Na-K,GMV(L)-R36P/Na-K 304
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R22P/Na-K,G MV(L)-R25P/Na-K GMV(L)-R28P/Na-K,GMV(L)-R32 P/Na-K,GMV(L)-R36P/Na-K Code Qty. Code Qty. 1 Top Cover Sub-assy 01259052 1 01259052 1 2 02112446 2 02112446 2 01499051 1 01499051 1 01499053 1 01499053 1
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （2）GMV(L)-R40P/Na-K,GMV(L)-R45P/Na-K,GMV(L)-R50P/Na-K 306
Dc Inverter VRF plus Water Heater Solution Service Manual No. SERVICING GMV(L)-R40P/Na-K,GMV(L)-R45P/Na-K,GMV(L)-R50P/Na-K Part Name Code Qty. 1 Top Cover Sub-assy 01259064 1 2 Hook 02112446 2 3 Seal of Connection Pipe 2 01498644 1 4 Seal of Connection Pipe 1 01498604 1 5 Electric Box Assy 01404688
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （3）GMV(L)-R56P/Na-K,GMV(L)-R63P/Na-K,GMV(L)-R71P/Na-K,GMV(L)-R80P/Na-K 308
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R56P/Na-K,GMV(L)-R63P/Na-K,GM V(L)-R71P/Na-K,GMV(L)-R80P/Na-K Code Qty. 1 Top Cover Sub-assy 01258652 1 2 Hook 02118504 2 3 Left Side Seal-hole Plate Sub-assy 01308680 1 4 Seal of Connection Pipe 01498610 1 5
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （4）GMV(L)-R90P/Na-K,GMV(L)-R100P/Na-K,GMV(L)-R112P/Na-K,GMV(L)-R125P/Na-K,GMV(L)-R140P/Na-K 310
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R90P/Na-K,GMV(L)-R100P/Na-K, GMV(L)-R112P/Na-K,GMV(L)-R125P/Na-K, GMV(L)-R140P/Na-K Code Qty. 1 Top Cover Sub-assy 01258606 1 2 Hook 02118504 2 3 Left Side Seal-hole Plate Sub-assy 01308673 1 4 Seal of
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV（L）-R22P/NaB-K, GMV（L）-R22PS/NaB-K, GMV（L）-R28P/NaB-K, GMV（L）-R28PS/NaB-K, GMV（L） -R36P/NaB-K, GMV（L）-R36PS/NaB-K, GMV（L）-R45P/NaB-K, GMV（L）-R45PS/NaB-K, GMV（L）-R56P/NaB-K, GMV（L）-R56PS/NaB-K, GMV（L）-R71P/NaB-K,
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Qty No Part Name Code GMV-R22P/NaBK GMV-R28P/NaBK GMV-R36P/NaBK 1 Side Plate of Air outlet 01494118 1 1 1 2 Left Support of Evaporator 01094122 1 1 1 3 Evaporator Assy 01024231 01024232 1 1 1 4 Electric expand valve fitting
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING List of components Qty No Code GMVL-R22P/Na B-K GMVL-R28P/Na B-K GMVL-R36P/Na B-K 1 Side Plate of Air outlet 01494118 1 1 1 2 Left Support of Evaporator 01094122 1 1 1 3 Evaporator Assy 01024231 01024232 1 1 1 4 Electric expand
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Qty No Part Name Code GMVL-R22PS/N aB-K GMVL-R28PS/N aB-K GMVL-R36PS/N aB-K 1 Side Plate of Air outlet 01494118 1 1 1 2 Left Support of Evaporator 01094122 1 1 1 Evaporator Assy 01024231 01024230 01024232 1 3 1 1 4 Electric expand
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Qty No Part Name Code GMV-R22PS/NaB -K GMV-R28PS/NaBK GMV-R36PS/NaBK 1 Side Plate of Air outlet 01494118 1 1 1 2 Left Support of Evaporator 01094122 1 1 1 Evaporator Assy 01024231 01024230 01024232 1 3 43040001 1 1 1 01094121 1 1 1
Dc Inverter VRF plus Water Heater Solution Service Manual No Part Name Code SERVICING Qty GMVL-R45PS/NaB-K GMVL-R45P/NaB-K 1 Side Plate of Air outlet 01498641 1 1 2 Left Support of Evaporator 01805280 1 1 3 Evaporator Sub-assy 01024211 1 1 4 Electric expand valve fitting 43040001 1 1 5 Right
Dc Inverter VRF plus Water Heater Solution Service Manual No Part Name Code SERVICING Qty GMV-R45PS/NaB-K GMV-R45P/NaB-K 1 Side Plate of Air outlet 01498641 1 1 2 Left Support of Evaporator 01805280 1 1 3 Evaporator Assy 01024211 1 1 4 Electric expand valve fitting 43040001 1 1 5 Right Support of
Dc Inverter VRF plus Water Heater Solution Service Manual No Code Part Name SERVICING Qty GMVL-R56P/NaB-K GMVL-R71P/NaB-K 1 Side Plate of Air outlet 01499074 1 1 2 Left Support of Evaporator 01078603 1 1 3 Evaporator Assy 01024221 1 1 4 Electric expand valve fitting 43040001 1 1 5 Right Support of
Dc Inverter VRF plus Water Heater Solution Service Manual No Part Name Code SERVICING Qty GMV-R56P/NaB-K GMV-R71P/NaB-K 1 Side Plate of Air outlet 01499074 1 1 2 Left Support of Evaporator 01078603 1 1 3 Evaporator Sub-assy 01024234 1 1 4 Electric expand valve fitting 43040001 1 1 5 Right Support
Dc Inverter VRF plus Water Heater Solution Service Manual No Code Part Name SERVICING Qty GMV-R56PS/NaB-K GMV-R71PS/NaB-K 1 Side Plate of Air outlet 01499074 1 1 2 Left Support of Evaporator 01078603 1 1 3 Evaporator Sub-assy 01024234 1 1 4 Electric expand valve fitting 43040001 1 1 5 Right Support
Dc Inverter VRF plus Water Heater Solution Service Manual No Part Name Code SERVICING Qty GMVL-R56PS/NaB-K GMVL-R71PS/NaB-K 1 Side Plate of Air outlet 01499074 1 1 2 Left Support of Evaporator 01078603 1 1 3 Evaporator Assy 01024234 1 1 4 Electric expand valve fitting 43040001 1 1 5 Right Support
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING GMV（L）-R90P/NaB-K, GMV（L）-R90PS/NaB-K, GMV（L）-R112P/NaB-K, GMV（L）-R112PS/NaB-K, GMV（L） -R140P/NaB-K, GMV（L）-R140PS/NaB-K, 323
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Qty No Code Part Name 1 2 3 4 Air outlet side board assy Water pump assy Water level switch Electric expand valve fitting 5 Evaporator assy 6 Left support of evaporator 7 Fan motor Sub-assy 8 Top Cover Board Assy 9 Right support of
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING Qty No Part Name 1 Air outlet side board assy 2 Water pump assy 3 Water level switch 4 Electric expand valve fitting 5 Evaporator assy 6 Left support of evaporator 7 Fan motor mounting Plate Sub-assy 8 Top Cover Board Assy 9 Right
Dc Inverter VRF plus Water Heater Solution Service Manual No Part Name 1 2 3 4 Air outlet side board assy Water pump assy Water level switch Electric expand valve fitting 5 Evaporator assy 6 Left support of evaporator 7 Fan motor mounting Plate Sub-assy 8 Top Cover Board Assy 9 Right support of
Dc Inverter VRF plus Water Heater Solution Service Manual 1 Air outlet side board assy 2 Water pump assy 3 Water level switch 4 Electric expand valve fitting 5 Evaporator assy 6 Left support of evaporator 7 Fan motor Sub-assy 8 Top Cover Board Assy 9 Right support of evaporator 10 11 12 13 14 Right
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （1） GMV(L)-R28T/Na-K, GMV(L)-R36T/Na-K, GMV(L)-R45T/Na-K, GMV(L)-R50T/Na-K, GMV(L)-R56T/Na-K, GMV(L)-R71T/Na-K, GMV(L)-R80T/Na-K 328
Dc Inverter VRF plus Water Heater Solution Service Manual No. SERVICING GMV-R28T/Na-K,GMV-R36T/NaK Part Name GMVL-R28T/Na-K,GMVL-R36T/NaK Code Qty. Code Qty. 1 Tube Exit Plate 01382710 1 01382710 1 2 01332701 4 01332701 4 3 Body Fixed Plate Front Side Plate 01302717 1 01302717 1 4 Left Side Plate
Dc Inverter VRF plus Water Heater Solution Service Manual No. SERVICING GMV-R45T/Na-K,GMV-R50T/NaK Part Name GMVL-R45T/Na-K,GMVL-R50T/Na -K Code Qty. Code Qty. 1 Tube Exit Plate 01382710 1 01382710 1 2 01332701 4 01332701 4 3 Body Fixed Plate Front Side Plate 01302717 1 01302717 1 4 Left Side Plate
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV-R56/63/71/80T/Na-K Code GMVL-R56/63/71/80T/Na-K Qty. Code Qty. 1 Tube Exit Plate 01382711 1 01382711 4 01332701 4 3 Body Fixed Plate Front Side Plate 01332701 01302718 1 01302718 1 4 Left Side Plate 01302715 1
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （2）GMV(L)-R100T/Na-K 332
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV-R100T/Na-K GMVL-R100T/Na-K Code Qty. Code Qty. 1 Tube Exit Plate 01382711 1 01382711 1 2 Body Fixed Plate Front Side Plate 01332701 4 01332701 4 3 01302713 1 01302713 1 4 Left Side Plate 01302711 1 01302711 1 5
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （3） GMV(L)-R90T/Na-K,GMV(L)-R112T/Na-K,GMV(L)-R125T/Na-K ，GMV(L)-R140T/Na-K 334
Dc Inverter VRF plus Water Heater Solution Service Manual No. SERVICING GMV-R90/112/125/140/Na-K Part Name GMVL-R90/112/125/140/Na-K Code Qty. Code Qty. 1 01382711 1 1 Tube Exit Plate 01382711 2 Body Fixed Plate Front Side Plate 01332701 4 01332701 4 3 01302713 1 01302713 1 4 Left Side Plate
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （4）GMV-R22T/NaA-K、GMVL-R22T/NaA –K、GMV-R28T/NaA-K、GMVL-R28T/NaA -Kexploded views 336
Dc Inverter VRF plus Water Heater Solution Service Manual No. SERVICING GMV-R22T/NaA –K GMV-R28T/NaA –K Part Name Code Qty. GMVL-R22T/NaA –K GMVL-R28T/NaA –K Code Qty. Display Board 30296309 1 30296308 1 Water Tray Water Tray Foam for Fresh Air Intaking 20182703 1 20182703 1 12312702 1 12312702 1
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING (5)GMV-R36T/NaA -K、GMVL-R36T/NaA -K、GMV-R45T/NaA -K、GMVL-R45T/NaA -K、exploded views 338
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV-R36T/NaA –K GMV-R45T/NaA –K GMVL-R36T/NaA –K GMVL-R45T/NaA –K Code Qty. Code Qty. 1 Display Board 30296309 1 30296308 1 2 Water Tray Water Tray Foam for Fresh Air Intaking 20182703 1 20182703 1 12312702 1 12312702
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 5.3.3 Single-side Cassette Unit_Exploded view and Parts List GMV(L)-R22Td/Na-KParts List S/N Part Name Qty Code GMV-R22Td/Na-K GMVL-R22Td/Na-K 1 Panel Assy（MT01 top） 1 TL1000120 TL1000120 2 Water Tray Assy 1 12412702 12412702 3
Dc Inverter VRF plus Water Heater Solution Service Manual GMV(L)-R28Td/Na-K.GMV(L)-R36Td/Na-K S/N SERVICING Parts List Part Name Qty Code GMV-R28Td/Na-K； GMVL-R28Td/Na-； GMV-R36Td/Na-K GMVL-R36Td/Na-K 1 Panel Assy（MT01top） 1 TL1000120 TL1000120 2 Water Tray Assy 1 12412702 12412702 3 Water
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 5.3 .4 Wall-Mounted Type Unit （1）GMV(L)-R22G/NaB-K,GMV(L)-R28G/NaB-K 342
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R22G/NaB-K,GMV(L)-R28G/NaB-K Code Qty. 1 Wall-Mounting Frame 01252220 1 2 Rear Case 222020012 1 3 Evaporator Assy 01004628 1 4 Cross Flow Fan 10352001 1 5 Ring of Bearing 76512203 1 6 Drainage hose 1 7 Water
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （2）GMV(L)-R36G/NaB-K；GMV(L)-R45G/NaB-K 344
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R36G/NaB-K；GMV(L)-R45G/NaB-K Code Qty. 1 Wall-Mounting Frame 01252384 1 2 Rear Case 1 3 Evaporator Assy 22202050 01004629 1 4 Cross Flow Fan 10352005 1 5 Ring of Bearing 76712015 1 6 Drainage hose 1 7 Water
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （3）GMV(L)-R50G/NaB-K；GMV(L)-R56G/NaB-K 346
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R50G/NaB-K；GMV(L)-R56G/NaB-K Code Qty. 1 Wall-Mounting Frame 01252004 1 2 Rear Case 22202329 1 3 Fan Bearing 76512203 1 4 Screw Cover 3 5 Swing Louver 24252015 10512429 11 6 Swing Link 1 10582057 1 7 Swing Link
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （4）GMV(L)-R71G/Na-K；GMV(L)-R80G/Na-K 348
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R71G/Na-K；GMV(L)-R80G/Na-K Code Qty. 1 Wall-Mounting Frame 01252398 1 2 Rear Case 22202091 1 3 Fan Bearing 76512203 1 4 Screw Cover 3 5 Swing Louver 242520053 10512110 15 6 Swing Link 10582040 3 7 Water Tray
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （5）GMV(L)-R22G/NaC-K；GMV(L)-R28G/NaC-K 350
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R22G/NaC-K；GMV(L)-R28G/NaC-K Code Qty. 1 Wall Mounting Frame 01252220 1 2 Rear Case 222020012 1 3 Evaporator Assy 01004628 1 4 Cross Flow Fan 10352001 1 5 O-Gasket of Cross Fan Bearing 76512203 1 6 Drain Pipe
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （6）GMV(L)-R36G/NaC-K；GMV(L)-R45G/NaC-K 352
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R36G/NaC-K；GMV(L)-R45G/NaC-K Code Qty. 1 Wall Mounting Frame 01252384 1 2 Rear Case Sub-Assy 22202051 1 3 Evaporator Assy 01004629 1 4 Cross Flow Fan 10352005 1 5 Ring of Bearing 76712015 1 6 Drain Pipe
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 5.3 .5 Floor Ceiling Type Unit （1）GMV(L)-R28Zd/Na-K,GMV(L)-R36Zd/Na-K,GMV(L)-R50Zd/Na-K 354
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R28Zd/Na-K,GMV(L)-R36Zd/Na-K,GMV(L)-R50Zd/Na-K Code Qty. 1 Rear Side Plate 01302013 1 2 Handle 26232001 4 3 Left Decoration Plate 261124152 1 4 Rear Side Plate of Air Outlet 0130201501 1 5 Louver 1051953202 1 6
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R28Zd/Na-K,GMV(L)-R36Zd/Na-K,GMV(L)-R50Zd/Na-K Code Qty. 43 Left Fixing Plate of Evaporator 01072410 44 Motor Clamp 26112026 1 4 45 Step Motor MP35CA 15212402 2 46 Left Swing Motor Fixer 26152005 01024134 ① 1 1
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （2）GMV(L)-R71Zd/Na-K 357
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R71Zd/Na-K Code Qty. 1 Left Decoration Plate 261124172 1 2 Shaft of Louver I 10512025 2 3 Swing Louver Fixer sub-assy 013324232 1 4 Louver Support 24212020 3 5 Louver Fixer 24222016 2 6 Louver 105124042 1 7
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 45 Motor Fixing Plate 01332426 1 46 Front Snail Shell 22202031 4 47 Rear Snail Shell 22202032 4 48 Rear Side Plate 01302429 1 49 Motor Support 01702410 1 50 Filter 11122012 2 51 Water Lead Plate 01362401 1 52 Front Grill 22412011 2
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING （3）GMV(L)-R90Zd/Na-K,GMV(L)-R112Zd/Na-K,GMV(L)-R125Zd/Na-K 360
Dc Inverter VRF plus Water Heater Solution Service Manual No. Part Name SERVICING GMV(L)-R90Zd/Na-K, GMV(L)-R112Zd/Na-K, GMV(L)-R125Zd/Na-K Code Qty. 1 Left Decoration Plate 261124152 1 2 Shaft of Louver I 10512025 3 3 Swing Louver Fixer sub-assy 0133241802 1 4 Louver Support 24212019 4 5 Louver
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING 42 Motor Fixer 01722410 1 43 Motor Clamp 01702405 2 44 Axes Connector 73012403 2 45 Motor Fixing Plate 01332425 1 46 Front Snail Shell 22202030 4 47 Rear Snail Shell 22202029 4 48 Rear Side Plate 01302431 1 49 Motor Support
Dc Inverter VRF plus Water Heater Solution Service Manual Product
Источник
Руководство по обслуживанию
Руководство по обслуживанию — Бытовые
Muse On/Off (7-24K)
Amber (9-12K)
Bora R32 Inverter (9-12K)
U-Crown R32 Inverter (9-18K)
Lomo R32 Inverter (12K)
Amber (18-24K)
Bora On/Off (18-24K)
Bora On/Off (28-36K)
Bora On/Off (7-12K)
U-Crown R410a Inverter (9-18K)
Bora R32 Inverter (9-24K)
Fairy R32 Inverter (9-24K)
Lomo R32 Inverter (9-24K)
Muse On/Off (28K)
Multi-Split Free-Match (36-42K)
Руководство по обслуживанию — U-Match
U-Match On/Off (GUD50-160K)
U-Match Inverter (GUD 35-160K)
Руководство по обслуживанию — Free — Match
Bloc exterior FREE MATCH(21-28K)
Multi-split FREE MATCH(7K)
Multi-Split Free-Match(9-24K)
Bloc exterior FREE MATCH(36-42K)
Multi-split FREE MATCH(18K)
Bloc exterior Free-Match(14-18K)
Руководство по обслуживанию — Промышленные
GMV5
GMV6
Service manual RoofTop
Руководство по обслуживанию — Канальный блок с инвертором (ВД)
Service manual FGR 50 & 60
FGR 25, 30, 35, 40
Руководство по обслуживанию — Тепловые насосы
Versati II+
Руководство по обслуживанию — Рекуператор тепла
ERV
Тепловые насосы Versati IIIКаталог продукции
Gree 2022Каталог продукции
Gree 2021Каталог продукции
Gree 2018Каталог продукции
Gree 2020Каталог продукции
Инверторные кондиционерыБуклет
Тепловые насосы Versati IIБуклет
Неинверторные кондиционерыБуклет
Gree 2017Каталог продукции
Gree 2019Каталог продукции
Сертификат дистрибьютора
Пульт управления XK117Инструкция по эксплуатации
Серия PULAR R-32Инструкция по монтажу и эксплуатации
Серия U-CROWN R-32Инструкция по монтажу и эксплуатации
Серия Soyal Inverter R-32Инструкция пользователя
Серия Soyal Inverter R-32Инструкция пользователя
Серия G-Tech Inverter R-32Инструкция пользователя
Серия Bora Inverter R-32Инструкция пользователя
Серия AmberИнструкция пользователя
Серия StageИнструкция пользователя
Краткая инструкция подключения по Wi FiИнструкция пользователя
Инструкция подключения по Wi FiИнструкция пользователя
Серия Bora Inverter R-32Инструкция пользователя
Серия Lomo InverterИнструкция пользователя
Универсальная инструкцияИнструкция по эксплуатации
U-Match с инвертором R-410AУстановка и эксплуатация
Реализованные проектыКаталог реализованных объектов
VERSATI IIИнструкция пользователя
VRF GMV 5Каталог продукции
Сплит-системыИнструкция пользователя
Серия LyraИнструкция пользователя
Серия Muse On/OffИнструкция пользователя
Серия Free MatchИнструкция пользователя
Серия Muse InverterИнструкция пользователя
Пульт управленияИнструкция пользователя
Руководство по установкеУстановка
Серия Bora InverterИнструкция пользователя
Серия AmberИнструкция пользователя
Серия U-MATCH неинверторУстановка и эксплуатация
Серия U-MATCH инверторУстановка и эксплуатация
еще