Висман витопенд 100w инструкция по монтажу

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Chapters

• Page 1
  VIESMANN Installation and service instructions for contractors Vitopend 100-W Type WH1D, 10.7 to 24.8 kW and 13.2 to 31 kW Gas system and combi boilers for balanced flue operation Natural gas and LPG version For applicability, see the last page VITOPEND 100-W Please keep safe.

• Page 2: Safety Instructions

  Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and mate- rial losses. Safety instructions explained ■ the Code of Practice of relevant trade associations. Danger ■ all current safety regulations as This symbol warns against the defined by DIN, EN, DVGW, TRGI, risk of injury.

• Page 3
  Touch earthed objects, such as heating or water pipes, to dis- charge static loads. Repair work Please note Repairing components that fulfil a safety function can compromise the safe operation of your heating system. Replace faulty components only with original Viessmann spare parts.

• Page 4: Table Of Contents

  Repairs……………………. 38 Function description Control and display elements…………….44 Heating mode………………….. 44 DHW heating………………….44 Designs Connection and wiring diagram…………….46 Parts lists………………….48 Commissioning/service reports……………. 57 Specification………………….. 58 Certificates Declaration of Conformity for the Vitopend 100-W……….60 Keyword index………………..61…

• Page 5: Product Information

  Set up for operation with natural gas E. May be converted to alternative gas types with a conversion kit. The Vitopend 100-W should generally only be delivered to those countries specified on the type plate. For deliveries to alternative countries, an approved contractor, on his own initiative, must arrange individual approval in accordance with the law of the land.

• Page 6: Installing The Boiler And Making All Connections

  Installation sequence Installing the boiler and making all connections Please note To prevent equipment damage, install all pipework free of load and torque stresses. Note Prepare the gas, water and power connections using the installation template A supplied. Ø10 A Installation template…

• Page 7: Flue Gas Connection

  Installation sequence Installing the boiler and making all connections (cont.) Flue gas connection Prior to installation check whether a flue gas orifice plate is required (see the following table).

• Page 8
  Installation sequence Flue gas connection (cont.) Flue gas orifice plate (internal 7) Routing Type Bal- 24.8 kW 31 kW (de- anced Flue gas + Flue gas + sign) flue sys- ventilation stric- ventilation stric- air pipe air pipe tor 7 length length 60/100…
• Page 9
  Installation sequence Flue gas connection (cont.) Routing Type Bal- 24.8 kW 31 kW (de- anced Flue gas + Flue gas + sign) flue sys- ventilation stric- ventilation stric- air pipe air pipe tor 7 length length 60/100 ≤ 10 ≤ 10 Flue gas over the roof, ventilation air from a differ-…
• Page 10
  Installation sequence Flue gas connection (cont.) A Boiler flue connection bend for the Flue system installation instruc- horizontal installation of a flue sys- tions tem 60/100 B Flue gas orifice plate Note C Coaxial boiler flue connection for the An inspection piece with condensate vertical installation of the flue sys- trap must be installed in the balanced tems 60/100 and 80/125…

• Page 11: Gas Connection

  Installation sequence Flue gas connection (cont.) Opening the flue gas bypass Note Only carry out the flue gas emissions test with fitted cover panel. A Sheet steel knock-out Gas connection 1. Fix gas shut-off valve to gas connec- tion A. Torque 30 ±2 Nm.

• Page 12: Opening The Control Unit Casing

  Installation sequence Gas connection (cont.) 2. Carry out a tightness test. 3. Vent the gas line. Note For the tightness test, use only suita- ble and approved leak detecting agents (EN 14291) and devices. Leak detecting agents with unsuita- ble constituents (e.g. nitrides, sul- phides) can lead to material damage.

• Page 13: Electrical Connections

  Installation sequence Electrical connections PUMP FAN LN1 LN A Fuse 2.5 A (slow) D Potentiometer B Power supply E Accessories power supply (remove C Ionisation cable jumper when connecting) Low voltage plug Plug 230 V~ % Cylinder temperature sensor (if sup- sÖ…

• Page 14
  Installation sequence Electrical connections (cont.) ■ Connect water pipes to the equipoten- tial bonding of the house in question. ■ Max. fuse rating 16 A. ■ Recommended power cable: NYM-J 3 x 1.5 mm , max. fuse 16 A, 230 V~, 50 Hz. Power supply for accessories (on-site) If the boiler is installed in a wet area, the ■…
• Page 15
  Installation sequence Electrical connections (cont.) Note Step 1: Secure power cable to the con- trol unit support with the cable ties sup- plied. Close and flip up the control unit. Hook in and secure the front panel.

• Page 16: Steps — Commissioning, Inspection And Maintenance

  Commissioning, inspection, maintenance Steps — commissioning, inspection and maintenance For further information regarding the individual steps, see the page indicated Commissioning steps Inspection steps Maintenance steps Page • • • 1. Filling and venting the heating system……18 • • •…

• Page 17: Commissioning Steps

  Commissioning, inspection, maintenance Steps — commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • • 22. Checking the flue gas routing • 23. Instructing the system user……….. 34…

• Page 18: Filling And Venting The Heating System

  The antifreeze manufacturer must verify its suitability, since oth- erwise damage to gaskets and diaphragms can occur as well as noise dur- ing heating operation. Viessmann accepts no liability for damage or conse- quential damage as a result.

• Page 19: Checking The Gas Type

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) ■ Turn rotary selector «tw» approx. 6. Close fill tap in the heating return (on 3 s into the control range and then site). back again. 7. Close the shut-off valves on the heat- The servomotor of the diverter valve ing water side.

• Page 20
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Note The cover plate must be fitted to prevent air infiltrating. Operation with LPG Flush the LPG tank twice during commissioning or replacement. Vent the tank and gas supply line thoroughly after flushing. 1.

• Page 21: Checking The Nozzle Pressure

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Supply pressure (flow pressure) Action For natural gas H For LPG P Below 17 mbar Below 25 mbar Do not start the boiler. Notify your gas supply utility or LPG supplier. 17 to 25 mbar 25 to 45 mbar Start the boiler.

• Page 22
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 05. Select the upper heating output: 08. Selecting the lower heating out- put: Note Adjust the upper rated heating out- put before selecting the lower rated heating output. The operation with the lower rated heating output is automatically cancelled after approx.
• Page 23
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 13. Turn the rotary selectors «tw» and 14. Open the gas shut-off valve and «tr» back to their original posi- start the appliance. tions. Danger Gas escaping from the test nipple leads to a risk of explosion.

• Page 24: Setting The Maximum Heating Output

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Note ■ Air pressure: 1013 mbar The values in the nozzle pressure table ■ Temperature: 15 °C apply to the following ambient condi- tions: Wobbe index see page 19. Setting the maximum heating output Note The maximum output for heating operation can be limited.

• Page 25
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 07. Close and flip up the control unit. 08. Switch OFF the ON/OFF switch on the control unit, close the gas shut- off valve, remove the pressure gauge and close test nipple A. 09.

• Page 26: Checking The Balanced Flue System For Tightness (Annular Gap Check)

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the balanced flue system for tightness (annular gap check) The flue pipe is deemed to be sufficiently gas-tight if the CO concentration in the combustion air is no higher than 0.2% or the O concentration is at least 20.6%.

• Page 27
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Note Clean the burner if required with com- pressed air or with a soapy solution. Flush with clean water. Installation with new gaskets.

• Page 28: Checking The Diaphragm Expansion Vessel And System Pressure

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the diaphragm expansion vessel and system pressure Check the diaphragm expansion vessel pre-charge pressure at test nipple A and recharge if required. Note At the top-up valves, the gas combi boiler can be topped-up using key B supplied.

• Page 29: Checking And Cleaning The Flue Gas Heat Exchanger

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking and cleaning the flue gas heat exchanger When undoing the fittings on the heating Note water side, counterhold the torque with a Clean the flue gas heat exchanger if second open-ended spanner.

• Page 30: Checking And Adjusting The Ignition And Ionisation Electrodes

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking and adjusting the ignition and ionisation electrodes +2.5 -3.5 ±2.5 -0.3 Note Clean the ignition electrodes with a small brush or sandpaper.

• Page 31: Flow Limiter

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Flow limiter If required, flush flow limiter A with clean water. Identification of flow limiter A Rated heating output Flow rate Colour 10.7 to 24.8 kW 10 l/min Black 13.2 to 31 kW 12 l/min Red Checking all gas equipment for tightness at operating pressure Danger…

• Page 32: Flue Gas Emissions Test

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Flue gas emissions test Coaxial boiler flue connection 3. Select the upper heating output (see page 22). Measure the CO or O and CO con- tent. Record the values in the «Reports»…

• Page 33: Checking The Ionisation Current

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the ionisation current A Adaptor cable (available as acces- sory) 1. Connect the tester in accordance 4. Switch OFF the ON/OFF switch on with the diagram. the control unit. Operation with the upper rated heat- 2.

• Page 34: Instructing The System User

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Instructing the system user The system installer must hand the oper- ating instructions to the system user and instruct him/her in the operation of the system.

• Page 35: Function Sequence And Possible Faults

  Troubleshooting Function sequence and possible faults Display Action Control unit issues Increase set value a heat demand and ensure heat is drawn off Fan starts After approx. 51 s Check the air pres- fault «F5» sure switch, fan, fan connecting ca- bles and power at the fan Ignition…

• Page 36: Fault Messages On The Display

  Troubleshooting Function sequence and possible faults (cont.) Burner in opera- Stops below the set Check the flue sys- tion boiler water tem- tem for tightness perature and re- (flue gas recircula- starts immediately tion) and check the gas flow pressure Fault messages on the display Faults are indicated by a flashing fault code (e.g.

• Page 37
  Troubleshooting Fault messages on the display (cont.) Displayed System characteris- Cause Measures fault code tics Burner in a fault Flame signal is al- Check ionisation elec- state ready present at trode and connecting ca- burner start ble. Switch ON/OFF switch 8 OFF and ON again (or reset, see F2).

• Page 38: Repairs

  Troubleshooting Fault messages on the display (cont.) Displayed System characteris- Cause Measures fault code tics No DHW heating Lead break, cylin- Check the sensor (see der temperature page 40). sensor (gas sys- tem boiler) No DHW heating Lead break, outlet Check the sensor (see temperature sen- page 40).

• Page 39
  Troubleshooting Repairs (cont.) 45° E Heating water flow G Cold water F Heating water return H DHW Check the connections on the DHW side 2. Turn the stepper motor adaptor B for scale build-up and the connections on with stepper motor A anti-clockwise the heating water side for contamination.
• Page 40
  Troubleshooting Repairs (cont.) 4. Install plate heat exchanger D in 5. Reassemble the boiler in reverse order. reverse order using new gaskets. Fixing screw torque: 5.5 Nm. 6. Fill the boiler with water, flush (vent) and check for leaks. Note During installation, ensure that fixing holes are aligned and gaskets seated correctly.
• Page 41
  Troubleshooting Repairs (cont.) % Cylinder temperature sensor (gas system boiler) 1. Temperature limiter: Check the temperature limiter, if the burner control unit cannot be reset after a fault shutdown, although the boiler water temperature is below approx. 90 °C. ■ Pull the leads from the sensor. ■…
• Page 42
  Troubleshooting Repairs (cont.) 2. Boiler water temperature sensor: 4. Cylinder temperature sensor (gas ■ Pull the leads from the sensor. system boiler): ■ Check the sensor resistance and ■ Pull plug % from the control unit compare actual values with the cable harness.
• Page 43
  Troubleshooting Repairs (cont.)

• Page 44: Control And Display Elements

  Function description Control and display elements A Pressure gauge D Rotary selector for heating water B Display temperature E ON/OFF switch C Rotary selector for DHW tempera- ture Heating mode The set boiler water temperature adjus- The boiler water temperature will be ted at rotary selector «tr»…

• Page 45
  Function description DHW heating (cont.) Gas combi boiler If the flow switch recognises that DHW is drawn off (> 3 l/min), the burner and cir- culation pump are switched ON and the three-way valve changes over to DHW heating. The burner modulates to reach the DHW outlet temperature and is limited on the boiler side by the temperature limiter (84 °C).

• Page 46: Connection And Wiring Diagram

  Designs Connection and wiring diagram PCB inside the boiler Vitotrol 100, UTD Gas pressure switch (accessory) Vitotrol 100, UTD-RF Power supply CN8 Stepper motor for diverter valve Vitotrol 100, UTA Ignition transformer and ionisa- tion Vitotrol 100, RT…

• Page 47
  Designs Connection and wiring diagram (cont.) § Boiler water temperature sensor Gas solenoid valve Outlet temperature sensor (only Temperature limiter gas combi boilers) a-Ö Fan Cylinder temperature sensor (only aCA Air pressure switch gas system boilers) aVL Flow switch sÖ Internal circulation pump a:Ö…

• Page 48: Parts Lists

  Parts lists Parts lists Information for ordering spare parts 041 Gas manifold, natural gas Ls Quote the part no. and serial no. (see 042 Gas manifold, LPG type plate) and the position no. of the 043 Flow connection pipe required part (as per this parts list). 044 Return connection pipe Standard parts are available from your 045 Gas supply pipe…

• Page 49
  Parts lists Parts lists (cont.) 108 O-ring 8 x 2 (5 pce) 336 Angle valve for cold water 109 Oval cap seal (5 pce) 337 Locking ring fittings 7 15 and 111 Diaphragm grommet (5 pce) 18 mm 112 Cable grommet (5 pce) 113 Gas connection diaphragm grom- Wearing parts met (5 pce)
• Page 50
  Parts lists Parts lists (cont.)
• Page 51
  Parts lists Parts lists (cont.)
• Page 52
  Parts lists Parts lists (cont.)
• Page 53
  Parts lists Parts lists (cont.)
• Page 54
  Parts lists Parts lists (cont.)
• Page 55
  Parts lists Parts lists (cont.)
• Page 56
  Parts lists Parts lists (cont.)

• Page 57: Commissioning/Service Reports

  Commissioning/service reports Commissioning/service reports Setting and test val- Set value Commis- Mainte- sioning nance/serv- Date: Static pressure mbar max. 57.5 mbar Supply pressure (flow pressure) = for natural gas H mbar 17-25 mbar = for LPG P mbar 25-45 mbar Tick gas type Carbon dioxide con- tent CO…

• Page 58: Specification

  Specification Specification Rated voltage 230 V Temperature control- Rated frequency 50 Hz 40 to 76 °C Rated current 2.5 A Power consumption Safety category incl. circulation IP rating IP X 4 D to pump EN 60529 ■ 10.7 — 24.8 kW max.

• Page 59
  Specification Specification (cont.) Connection values 13.2 to 31 kW Rated heating 13.2 output Rated heat in- 14.5 16.7 20.0 23.3 26.7 30.0 33.3 Connection values relative to the max. load Natural gas H 1.53 1.77 2.12 2.47 2.82 3.17 3.53 l/min 25.29 29.18…

• Page 60: Declaration Of Conformity For The Vitopend 100-W

  Certificates Declaration of Conformity for the Vitopend 100-W We, Viessmann Werke GmbH & Co KG, D-35107 Allendorf, confirm as sole respon- sible body that the product Vitopend 100-W complies with the following standards: EN 297 EN 55 014 EN 483…

• Page 61: Keyword Index

  Keyword index Keyword index Function sequence……35 Annular gap check……26 Fuse………..42 Boiler flue connection……32 Gas connection……..11 Boiler flue connection bend….32 Gas solenoid valve……13 Boiler water temperature sensor..40 Gas supply pressure……20 Burner……….26 Gas train ………..20 Gas type……….19 Circuit breaker……..13 Circulation pump……..13 Heating mode……..44 Commissioning……..18 Heating output, max……24 Connection diagrams……46…

• Page 62
  Keyword index Keyword index (cont.) Small softening system……18 Upper heating output……22 Specification ……..58 Static pressure……..20 Supply pressure………19 Wiring diagram……..46 System pressure……..18 Wobbe index……..19 Temperature limiter……40 Test pressure……..12 Tightness test……..26…
• Page 64
  7427735 7427736 7428244 7428246 7441834 7441883 7441884 7441885 7464530 7464531 Viessmann Middle East FZE Viessmann Werke GmbH&Co KG E-Wing, Office 603 D-35107 Allendorf HQ Building Telephone: +49 6452 70-0 Dubai Silicon Oasis Fax: +49 6452 70-2780 PO Box 341330 www.viessmann.com…

1. Manuals
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3. Viessmann Manuals
4. Boiler
5. Vitopend 100-W
6. Installation and service instructions manual

• Page 1
  VIESMANN Installation and service instructions for contractors Vitopend 100-W Type A1HE/A1JE, A1GF, A1HF/A1JF 5.4 to 18 kW, 5.5 to 22 kW, 6.0 to 24.8 kW, 7.5 to 30 kW and 9.0 to 36 kW Gas system and combi boilers For room sealed operation…
• Page 2
  Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the Details identified by the word «Note» risk of injury. contain additional information. Please note This symbol warns against the risk of material losses and envi- ronmental pollution.
• Page 3
  ■ Isolate the system from the power system. supply, e.g. by removing the separate Replace faulty components only fuse or by means of a mains isolator, with genuine Viessmann spare and check that it is no longer live. parts. ■ Safeguard the system against recon- nection.
• Page 4
  Safety instructions Safety instructions (cont.) Safety instructions for operating the system If you smell gas What to do if water escapes from the appliance Danger Escaping gas can lead to explo- Danger sions which may result in seri- If water escapes from the appli- ous injury.
• Page 5
  Safety instructions Safety instructions (cont.) Danger Danger Leaking or blocked flue sys- The simultaneous operation of tems, or an inadequate supply the boiler and appliances that of combustion air can cause life extract air to the outside can threatening poisoning from car- result in life threatening poison- bon monoxide in the flue gas.
• Page 6
  Index Index Service instructions Warning notices Warning notices according to GB25034-2010…………Frost protection………………..Intended use………………….Notes on siting, installation and operation…………10 Information Symbols…………………… 11 Installation instructions Preparing for installation………………. 12 Installation sequence Mounting the boiler and making the connections……….17 Opening the control unit enclosure……………
• Page 7
  Rated heating output 18 kW…………….. 118 Rated heating output 22 kW…………….. 120 Rated heating output 24 kW…………….. 122 Rated heating output 30 kW…………….. 125 Rated heating output 36 kW…………….. 127 Certificates Manufacturer’s declaration for Vitopend 100-W……….. 130 Keyword index………………..131…
• Page 8
  Warning notices Warning notices according to GB25034-2010 Warning against incorrect use: ■ Do not use caustic cleaning agents to ■ A faulty installation can lead to injury clean the appliance. and material losses. ■ The appliance must not be installed ■…
• Page 9
  Warning notices Frost protection (cont.) Following installation or repairs, switch ON the power supply (MCB/fuse, mains isolator) and the control unit ON/OFF switch. Open the gas shut-off valve to ensure frost protection. Intended use The appliance is intended solely for Any usage beyond this must be installation and operation in sealed approved by the manufacturer in each…
• Page 10
  Warning notices Notes on siting, installation and operation ■ Installation, maintenance and service ■ After installation, the heating contrac- must be carried out by an authorised tor should mark the position of the contractor. flue system and instruct the system ■…
• Page 11
  Information Symbols Sym- Meaning The sequences of steps for commis- sioning, inspection and maintenance are summarised in the section «Com- Reference to another docu- missioning, inspection and mainte- ment containing further infor- nance» and are identified as follows: mation Sym- Meaning Step in a diagram: The numbers correspond to…
• Page 12
  Product description ■ Attic rooms (pitched attics and long panes) where the balanced flue pipe The Vitopend 100-W is supplied as a can be routed directly through the gas system boiler (heat only) for heat- roof…
• Page 13
  Preparing for installation Preparing for installation (cont.) Preparing for installation Dimensions and connections A B C D E 58 58 A Heating flow G ¾ D Cold water G ½ (gas combi boiler) B DHW G ½ (gas combi boiler) E Heating return G ¾…
• Page 14
  Preparing for installation Preparing for installation (cont.) Rated heating out- Dimensions mm put in kW 18 and 22 30 and 36…
• Page 15
  Preparing for installation Preparing for installation (cont.) Fitting the wall mounting bracket Note Prepare the gas, water and power con- nections using the installation template supplied. Ø 10 A Installation template…
• Page 16
  Preparing for installation Preparing for installation (cont.) 1. Position the supplied installation 1. Prepare the water connections. template on the wall. Flush the heating system. 2. Mark out the rawl plug holes. 2. Prepare the gas connection. 3. Drill 7 10 mm holes for rawl plugs. 3.
• Page 17
  Installation sequence Mounting the boiler and making the connections Mounting the boiler…
• Page 18
  Installation sequence Mounting the boiler and making the connections (cont.) Removing the front panel and pivoting the control unit down- wards Fitting the water connections For installation of fittings on the heating water side and DHW side, see separate installation instructions.
• Page 19
  Installation sequence Mounting the boiler and making the connections (cont.) D Safety valve E Non-return valve F Shut-off valve G Cold water H Safety assembly Safety assembly H to DIN 1988 and EN 806 is required if the mains water supply pressure exceeds 10 bar (1.0 MPa), and no DHW pressure reducing valve is installed (to DIN 4753).
• Page 20
  Installation sequence Mounting the boiler and making the connections (cont.) Gas connection 3. Purge the gas line. 1. Fit gas shut-off valve A. 2. Carry out a tightness test. Please note Excessive test pressure may damage the boiler and the gas train.
• Page 21
  Installation sequence Mounting the boiler and making the connections (cont.) Using a flue restrictor Routing type external wall connec- tion Type (model) C Rated heating output Balanced Length of bal- Flue restrictor flue system anced flue pipe 7 mm Internal 7 mm 60/100 ≤…
• Page 22
  Installation sequence Mounting the boiler and making the connections (cont.) A Boiler flue connection bend for the C Flue restrictor horizontal installation of a balanced D Boiler flue connection bend for the flue system 80/125 horizontal installation of a balanced B Adaptor to balanced flue system flue system 60/100 80/125…
• Page 23
  Installation sequence Opening the control unit enclosure Electrical connections Information on connecting accessories When connecting accessories observe the separate installation instructions provided with them.
• Page 24
  Installation sequence Electrical connections (cont.) X111 CN3 Ext. extension AUX 900101 A X11 WLAN module (internet inside) X13 Power supply WLAN module (accessories) (internet inside) Cylinder temperature sensor E (only for gas system boilers) Power supply F (230 V, 50 Hz) A power cable with plug is con- nected in the delivered condition.
• Page 25
  Installation sequence Electrical connections (cont.) Outside temperature sensor or room temperature sensor (accessories) 1. Fit the temperature sensor. 2. Plug the connecting cable supplied into slot «X7». Outside temperature sensor instal- lation location: 3. Connect the temperature sensor to ■ North or north-westerly wall, 2 to terminals 3 and 4 (see page 24).
• Page 26
  Installation sequence Electrical connections (cont.) Connection Vitotrol 100, type UTDB Note Observe parameter «P07», see page 66. Recommended connecting cable ■ 2-core cable for low voltage A Vitotrol 100, type UTDB B Terminals on the control unit…
• Page 27
  Installation sequence Electrical connections (cont.) Connection Vitotrol 100, type UTDB-RF Note Observe parameter «P08», see page 66. Recommended connecting cable ■ 2-core cable for low voltage 220 V∼ A Vitotrol 100, type UTDB-RF B Terminals on the control unit…
• Page 28
  Installation sequence Electrical connections (cont.) Connection OpenTherm accessories Note Observe parameter «P07», see page 66. Recommended connecting cable ■ 2-core cable for low voltage A OpenTherm accessories B Terminals on the control unit Connecting system to equipotential bonding of the building Danger The appliance and pipework The absence of system compo-…
• Page 29
  Installation sequence Electrical connections (cont.) A Boiler D Earthing clip B Domestic distribution box E Equipotential bonding bar C Gas line F Metal pipes Cross-section of earth cables and earth conductors: 2.5 mm to 6 mm…
• Page 30
  Installation sequence Electrical connections (cont.) Power supply Regulations and directives Power supply to boiler: ■ Protect with a fuse/MCB of up to Danger 16 A. Incorrectly executed electrical ■ Install residual current device (RCD). installations can result in injuries ■ Fit a secure earth connection. from electrical current and dam- ■…
• Page 31
  Installation sequence Electrical connections (cont.) 2. Relieve strain on the power cable 3. Close and pivot up the control unit. and route through a diaphragm grommet to the outside. 4. Hook in and secure the front panel.

• Page 32: Table Of Contents

  Commissioning, inspection, maintenance Steps — commissioning, inspection and maintenance For further information regarding the individual steps, see the page indicated Commissioning steps Inspection steps Maintenance steps Page • • • 1. Filling and venting the heating system……34 • 2. Setting the time and date……….37 •…

• Page 33: Commissioning Steps

  Commissioning, inspection, maintenance Steps — commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • • • 23. Checking all connections on the heating water and DHW sides for leaks • • • 24. Checking the flue system for unrestricted flow and leaks •…

• Page 34: Filling And Venting The Heating System

  ■ Softening systems for heating – Sentinel (www.sentinel-solu- water are available from tions.net) Viessmann. 1. Check the pre-charge pressure of 3. Turn ON the system ON/OFF the diaphragm expansion vessel switch on the control unit. (see page 53).

• Page 35
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) If the system pressure is too low, 4. Display of current system pressure the pressure will be shown on the during the filling process: main display after a short time: ■…
• Page 36
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Please note If the system pressure falls below 0.08 MPa, the circula- tion pump will suffer dam- age. In the event of a pressure drop immediately top up the water. Ensure a minimum system pressure of >…

• Page 37: Setting The Time And Date

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Activating the filling and venting function 1. Hold down MODE and simulta- 7. Press MODE to exit the menu. neously for approx. 5 s. ■ «SEt» is displayed. Filling and venting function is ■…

• Page 38: Flue System Correction Factor Setup

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 12. OK to confirm 15. Use to select the current year. 13. Use to select the current day. 16. OK to confirm 14. OK to confirm The default display appears. Flue system correction factor setup 1.

• Page 39: Activating/Deactivating Wlan Module

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 02. Press MODE. 07. MODE to confirm 03. Use to select «P10». 08. Use to select «P14». 04. OK to confirm 09. OK to confirm 05. Use to select access code 2 10.

• Page 40: Making The Settings For Operation With External Extension

  Connecting the heating system to WLAN and the Viessmann server Register the heating system on the Viessmann server via the relevant app. Making the settings for operation with external extension If an external extension has been con- 01. Hold down MODE and…

• Page 41: Switching Off Dhw Heating

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 03. Use to select «P10». 12. MODE to exit the parameter level. 04. OK to confirm ■ If communication between the control unit and the extension is working, 05. Use to select access code 2 flash simultaneously.

• Page 42: Limiting The Maximum Heating Output

  7. MODE to exit the parameter level. Checking the gas type In the delivered condition, the 2. Enter the measured value in the Vitopend 100-W is preset for natural enclosed «Guarantee card». gas (12T). The boiler can be operated in the Wobbe index range W Wobbe index range 12.0 to…

• Page 43: Checking The Static Pressure And Supply Pressure

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the static pressure and supply pressure Danger 5. Start the boiler. CO formation as a result of incorrect burner adjustment can Note have serious health implications. During commissioning, the appli- Always carry out a CO test ance can enter a fault state before and after work on gas…

• Page 44: Checking The Nozzle Pressure, 18 Kw

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 9. Open the gas shut-off valve and Danger start the appliance. Gas escaping from the test connector leads to a risk of explosion. Check the test connector for gas tightness. Supply pressure (flow Measures pressure)

• Page 45
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 05. Set max. heating output for DHW 08. Select the lower heating output: heating 1. Hold down MODE and simul- Ensure heat is being drawn off by taneously for approx. 5 s. the heating system.
• Page 46
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 11. Check (do not adjust) the upper 12. Check the setting values and heating output record them in the enclosed «Guar- Ensure heat is being drawn off by antee card». the heating system.
• Page 47
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Gas system boiler (heat only) 05. Set the upper heating output Ensure heat is being drawn off by the heating system. 1. Hold down MODE and simul- taneously for approx. 5 s. ■…
• Page 48
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 08. Select the lower heating output: 10. Fit cap B. to switch directly between the upper and lower heat- 11. Check the setting values and ing output. record them in the enclosed «Guar- For the lower heating output select antee card».

• Page 49: Checking The Nozzle Pressure, 22 To 36 Kw

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the nozzle pressure, 22 to 36 kW 05. Set the upper heating output Ensure heat is being drawn off by the heating system. 1. Hold down MODE and simul- taneously for approx.

• Page 50
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 08. Select the lower heating output: 10. Fit cap B. to switch directly between the upper and lower heat- 11. Check the setting values and ing output. record them in the enclosed «Guar- For the lower heating output select antee card».
• Page 51
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6.0 to 24.8 kW Rated heating output 24.8 Natural gas (12T) Nozzle ø 1.20 1.20 Nozzle pressure mbar 15.5 based on a supply pressure of 20 mbar 7.5 to 30 kW Rated heating output Natural gas (12T) Nozzle ø…

• Page 52: Checking The Balanced Flue System For Tightness (Annular Gap Check)

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the balanced flue system for tightness (annular gap check) The flue pipe is deemed to be suffi- ciently gas-tight if the CO concentra- tion in the combustion air is no higher than 0.2% or the O concentration is at least 20.6%.

• Page 53: Checking And Cleaning The Burner

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Open drain screw A on the circu- lation pump. Catch the water in a suitable container. Checking and cleaning the burner Turn off the ON/OFF switch on the con- Close the gas shut-off valve and safe- trol unit and the power supply.

• Page 54
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Switch the control unit on and close 5. Top up with water (see page 34) the gas shut-off valve. until the charge pressure of the cooled system is at least 0.08 MPa, 2.

• Page 55: Checking And Cleaning The Flue Gas Heat Exchanger

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking and cleaning the flue gas heat exchanger Rated heating output 18 kW Rated heating output 18 kW 1. Drain the boiler on the heating water side (see page 52).

• Page 56
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Remove 2 screws from each of the 6. Pull out heat exchanger E. left and right combustion chamber side panels A. Remove combus- 7. Clean heat exchanger E if tion chamber side panel A.
• Page 57
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Rated heating output 22 to 36 kW 1. Drain the boiler on the heating 4. Pull out heat exchanger C. water side (see page 52). 5. If required, clean heat exchanger 2.

• Page 58: Checking And Adjusting The Ignition And Ionisation Electrodes

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking and adjusting the ignition and ionisation electrodes 45,9 ±1 20,1 ±1 -0,3 A Ionisation electrode Clean ignition electrodes B with a small brush or sandpaper.

• Page 59: Flow Limiter

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Flow limiter If required, flush flow limiter A with clean water. Identification of flow limiter A Rated heating output Colour 18 kW White 22 kW White 24 kW Blue 30 kW 36 kW Pink Flue gas emissions test…

• Page 60: Checking The Ionisation Current

  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Set the lower heating output (see The limits to GB25034-2010 must be page 49). maintained (CO content < 1000 ppm). Measure the CO or O and CO If the actual value falls outside the per- content.

• Page 61
  Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. Ionisation current when the flame is 5. Record the measured value in the first established: Min. 2 µA enclosed «Guarantee card». If ionisation current < 2 µA: Check the electrode gap (see page 58). 4.
• Page 62
  Parameter Main parameter level Calling up the main parameter level: Note The settings shown depend on the 1. Press MODE to select the required equipment level of the heating system. settings. 2. Use to select the required value. ■ Use OK to confirm and exit the menu.
• Page 63
  Parameter Main parameter level (cont.) Time program, switching central heating mode on/off Symbols Main display Additional display Flashing Constant «SEt» «On» «OFF» Time program, set heating water temperature Symbols Main display Additional display Flashing Constant Temperature in °C «L:1» and I for stage 1 «L:2″…
• Page 64
  Parameter Main parameter level (cont.) Standby mode Symbols Main display Additional display Flashing Constant «SEt» Parameter level 1 Calling up parameter level 1: 2. Press MODE. ■ «P01» is shown on the main dis- 1. Hold down MODE and simulta- play.
• Page 65
  Parameter Parameter level 1 (cont.) Limiting the maximum heating output Parameter Possible change Main display Additional display «P03» Max. heating output in % Heating output of the upper rated heating in % output. Setting range 40 to 100 % Length of flue system Parameter Possible change Main display Additional display…
• Page 66
  Parameter Parameter level 1 (cont.) Activate OpenTherm/WiFi access Parameter Possible change Main display Additional display «P07» 0 OpenTherm basic func- tion (delivered condi- tion). Adjustment recom- mended. Simple room thermostat activated (boiler on/off). Read only WiFi. 1 OpenTherm basic func- tion.
• Page 67
  Parameter Parameter level 2 1. Hold down MODE and simulta- 5. Use to select the access code neously for approx. 5 s. for parameter level 2. ■ «SEt» and flash 6. OK to confirm ■ «PL:1» is shown on the additional ■…
• Page 68
  Diagnostics Function sequence and possible faults Display Measure Control unit is- Increase set value sues a heat de- and ensure heat is mand drawn off Fan starts After approx. 51 s Check the air fault «F05» pressure switch, fan, fan connect- ing cables and fan power supply Ignition…
• Page 69
  Diagnostics Function sequence and possible faults (cont.) Burner in opera- Shuts down below Check the flue tion the set boiler water system for leaks temperature and (flue gas recircula- restarts immediate- tion); check the gas flow pressure Resetting the appliance Hold down MODE and OK simultane- ously until flashes (reset).
• Page 70
  Diagnostics Status checks Check Display Symbols Flashing Constant Current system pressure «IF00» Actual heating water temperature «IF01» °C Set heating water temperature «IF02» °C Set maximum heating output «IF03» Actual DHW temperature «IF04» °C Set DHW temperature «IF05» °C DHW flow rate «IF06″…
• Page 71
  Diagnostics Status checks (cont.) Check Display Symbols Flashing Constant Position of 3-way diverter valve «IF19» («DHW», «CH» or «MIDDLE») Correction factor for length of flue «IF20» system Rated heating output/type boiler «IF21» OpenTherm/WLAN access («On» or «IF22» «OFF») Scan heating programs Scan the set heating programs and Operating instructions time phases for DHW heating:…
• Page 72
  Diagnostics Meter checks (cont.) Check Display Symbols Flashing Constant Ignition attempts (in thousands) «Ct06» Ignition attempts (in units) «Ct07» Heat demands, DHW heating (in mil- «Ct08» lions) Heat demands, DHW heating (in «Ct09» thousands) Heat demands, DHW heating (in «Ct10» units) Heat demands, heating mode (in mil- «Ct11″…
• Page 73
  Troubleshooting Fault display Faults are indicated by a flashing mes- sage code (e.g. «F30») and fault sym- Displayed System character- Cause Measures fault code istics Burner locked out System pressure Check the system pres- too low sure. If required, top up heating water (see page 34).
• Page 74
  Troubleshooting Fault display (cont.) Displayed System character- Cause Measures fault code istics Burner in a fault Flame signal is al- Check ionisation elec- state ready present at trode and connecting ca- burner start. ble. Turn the ON/OFF switch off and back on again (or reset, see F02).
• Page 75
  Troubleshooting Fault display (cont.) Displayed System character- Cause Measures fault code istics Continuous opera- Lead break, out- Check the sensor (see tion side temperature page 77). sensor or room temperature sen- Burner locked out Short circuit, boiler Check the boiler water water temperature temperature sensor (see sensor…
• Page 76
  Troubleshooting Fault display (cont.) Displayed System character- Cause Measures fault code istics Function at the ex- Short circuit, lower Check sensor. ternal extension faul- cylinder tempera- ture sensor S2 at Installation and the external exten- service instruc- sion tions for external extension Function at the ex- Lead break, lower…
• Page 77
  Troubleshooting Repairs Please note ■ Plate heat exchanger Residual water will escape when ■ Components fitted in the heat- the boiler or one of the following ing water or DHW circuit. components is fitted or Water ingress can result in dam- removed: age to other components.
• Page 78
  Troubleshooting Repairs (cont.) 3. Check the sensor resistance and compare it to the curve. 4. In the event of severe deviation replace the sensor. 10 20 30 Temperature in °C Checking and cleaning the plate heat exchanger Shut off and drain the boiler on the Note heating water and DHW sides.
• Page 79
  Troubleshooting Repairs (cont.) A Screws Check the connections on the DHW Note side for scale build-up and the connec- Use new gaskets when assembling. tions on the heating water side for con- tamination. Clean or replace the plate heat exchanger if required.
• Page 80
  Troubleshooting Repairs (cont.) Checking the sensors Rated heating output 18 kW A Temperature limiter % Cylinder temperature sensor (gas B Boiler water temperature sensor system boiler) C Outlet temperature sensor (gas combi boiler)
• Page 81
  Troubleshooting Repairs (cont.) Rated heating output 22 to 36 kW A Temperature limiter % Cylinder temperature sensor (gas B Boiler water temperature sensor system boiler) C Outlet temperature sensor (gas combi boiler)
• Page 82
  Troubleshooting Repairs (cont.) 2. Temperature limiter: Perform the check if the burner control unit cannot be reset after a fault shutdown, although the boiler water temperature is below approx. 90 °C. ■ Disconnect the leads from the sensor. ■ Check continuity of the tempera- ture limiter with a multimeter.
• Page 83
  Troubleshooting Repairs (cont.) 4. Cylinder temperature sensor (gas system boiler): ■ Disconnect plug % from the con- trol unit cable harness. ■ Check the sensor resistance and compare it to the curve. ■ In the event of severe deviation replace the sensor. Checking the fuse 1.
• Page 84
  Control unit Control and display elements  MODE A Display D OK key, to confirm the selection or B MODE key, to call up the menu. save the setting made E ON/OFF switch C Arrow keys to scroll through the menu or set values Function description Heating mode…
• Page 85
  Control unit Function description (cont.) Weather-compensated operation In weather-compensated mode (with connected outside temperature sen- sor), the boiler water temperature is regulated according to the outside tem- perature. Heating curve for weather-compensated operation Outside temperature in °C A Do not adjust (heating curve «1») E Factory set heating curve «dEF»…
• Page 86
  Control unit Function description (cont.) Frost protection function The boiler must be switched on to If the boiler water temperature contin- ensure frost protection. ues to fall, the burner also starts below 5 °C, and continues to run until Boiler frost protection the boiler water temperature reaches 30 °C.
• Page 87
  Designs Connection and wiring diagram Hall +5VDC PCB inside the boiler C Room/outside tem- Power supply perature sensor ! External extension AUX (accessories) 900101 Gas pressure switch D Room temperature (accessories) controller (Open- Gas train Therm accessories) Internal circulation pump WLAN module…
• Page 88
  Designs Connection and wiring diagram (cont.) Power supply WLAN Circulation pump 230 V~ sÖ module (24 V) Motor, diverter valve dÖ T5/T8 Ionisation Gas solenoid valve TR1-1/TR1-2 Ignition Temperature limiter Boiler water temperature § Fan control a-ÖA sensor Air pressure switch Outlet temperature sen- Flow sensor sor (only gas combi boil-…
• Page 89
  Parts lists rated heating output 18 kW Overview of assemblies The following details are required when ordering parts: ■ Serial no. (see type plate A) ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list)
• Page 90
  Parts lists rated heating output 18 kW Overview of assemblies (cont.) A Type plate D Hydraulic assembly B Frame assembly with hydraulic block E Control unit assembly C Heat cell assembly with burner F Miscellaneous…
• Page 91
  Parts lists rated heating output 18 kW Frame assembly 0004 0006 0003 0003 0007 0005 0001 0011 0010 0001 0009 0001 0002 0002 0008 0006 Pos. Part 0001 Cable retainer 0002 Hinge 0003 Boiler flue connection flange 0004 Wall mounting bracket 0005 Control cable 0006…
• Page 92
  Parts lists rated heating output 18 kW Frame assembly (cont.) Pos. Part 0007 Pressure switch 0008 Grommets (set) 0009 Plastic adaptor 0010 Profiled gasket 8 x 6 (2 m long) 0011 Front panel…
• Page 93
  Parts lists rated heating output 18 kW Heat cell assembly 0001 0004 0004 0013 0002 0004 0001 0004 0005 0007 0009 0006 0008 0004 0004 0012 0010 0011 0004 0004 Pos. Part 0001 Venturi 0002 0004 Fixing parts (set) 0005 Flue gas heat exchanger…
• Page 94
  Parts lists rated heating output 18 kW Heat cell assembly (cont.) Pos. Part 0006 Fibre insulation, side 0007 Fibre insulation, back 0008 Fibre insulation, front 0009 Combustion chamber side panel, left 0010 Combustion chamber side panel, right 0011 Combustion chamber cover 0012 Burner See burner assembly…
• Page 95
  Parts lists rated heating output 18 kW Heat cell assembly (cont.) Pos. Part 0006 Ignition/ionisation electrode 0007 Screw 35 x 16 (5 pce) 0008 Air deflector, burner 0009 Gas supply pipe Hydraulic assembly, system boiler, 18 kW (heat only) 0004 0005 0004 0006…
• Page 96
  Parts lists rated heating output 18 kW Hydraulic assembly, system boiler, 18 kW (heat only) (cont.) Pos. Part 0001 Diaphragm expansion vessel 0002 Connection pipe, heating return 0003 Connection pipe, heating flow 0004 Gasket set 0005 Set of fuse elements 0006 Temperature sensor 0007…
• Page 97
  Parts lists rated heating output 18 kW Hydraulic assembly, system boiler, 18 kW (heat only) (cont.) Pos. Part 0003 Safety valve 0004 Set of fuse elements 0005 Quick-action air vent valve 0006 Gasket set 0012 Circulation pump GPD15-5S-Z108 0013 Pump motor GPD15-5S-Z108 0017 Adaptor safety valve…
• Page 98
  Parts lists rated heating output 18 kW Hydraulic assembly, combi boiler 0005 0004 0004 0005 0002 0006 0004 0001 0003 0005 0004 0005 0004 0007 0004 0008 0005 0004 0009 Pos. Part 0001 Diaphragm expansion vessel 0002 Connection pipe, heating return 0003 Connection pipe, heating flow 0004…
• Page 99
  Parts lists rated heating output 18 kW Hydraulic assembly, combi boiler (cont.) Pos. Part 0008 Pressure sensor 0009 Hydraulic block See Hydraulic block assembly, combi boiler Hydraulic block assembly, combi boiler 0001 0011 0002 0006 0007 0002 0008 0003 0020 0004 0005 0009…
• Page 100
  Parts lists rated heating output 18 kW Hydraulic assembly, combi boiler (cont.) Pos. Part 0004 Clips (set) 0005 Quick-action air vent valve 0006 Gaskets (set) 0007 GTC stepper motor 0008 Cartridge, stepper motor 0009 Flow unit, combi boiler 0010 Return unit, combi boiler 0011 Flow rate switch 0012…
• Page 101
  Parts lists rated heating output 18 kW Control unit assembly 0002 0001 0003 0004 0011 0005 0006 0007 0008 0009 0010 Pos. Part 0001 Control unit front 0002 Cover, wiring chamber 0003 Cable fixing…
• Page 102
  Parts lists rated heating output 18 kW Control unit assembly (cont.) Pos. Part 0004 Fuse, 2.5 A (slow), 250 V (10 pce) 0005 Screw Ejot M4 x 11 (5 pce) 0006 Connecting cable X100 0007 Connecting cable Vitopend X6 0008 Connecting cable X101/X14/X10 0009 Connecting cable X2…
• Page 103
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Overview of assemblies The following details are required when ordering parts: ■ Serial no. (see type plate A) ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list)
• Page 104
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Overview of assemblies (cont.) A Type plate…
• Page 105
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Overview of assemblies (cont.) B Frame assembly E Control unit assembly C Heat cell assembly F Miscellaneous with burner D Hydraulic assembly with hydraulic block…
• Page 106
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Frame assembly 0004 0006 0003 0003 0007 0005 0001 0011 0010 0008 0001 0009 0002 0002 0006 Pos. Part 0001 Cable retainer 0002 Hinge 0003 Boiler flue connection flange…
• Page 107
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Frame assembly (cont.) Pos. Part 0004 Wall mounting bracket 0005 Control cable 0006 Screw Ejot M 4 x 11 (5 pce) 0007 Pressure switch 0008 Grommets (set) 0009 Plastic adaptor 0010…
• Page 108
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Heat cell assembly 0001 0004 0004 0013 0002 0004 0001 0004 0005 0007 0009 0006 0008 0004 0004 0012 0010 0011 0004 0004 Pos. Part 0001 Venturi 0002 0004…
• Page 109
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Heat cell assembly (cont.) Pos. Part 0006 Fibre insulation, side 0007 Fibre insulation, back 0008 Fibre insulation, front 0009 Combustion chamber side panel, left 0010 Combustion chamber side panel, right 0011 Combustion chamber cover 0012…
• Page 110
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Heat cell assembly (cont.) Pos. Part 0006 Ignition/ionisation electrode 0007 Screw 35 x 16 (5 pce) 0008 Air deflector, burner 0009 Gas supply pipe Hydraulic assembly, system boiler 0004 0005 0004…
• Page 111
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Hydraulic assembly, system boiler (cont.) Pos. Part 0001 Diaphragm expansion vessel 0002 Connection pipe, heating return 0003 Connection pipe, heating flow 0004 Gaskets (set) 0005 Clips (set) 0006 Temperature sensor 0007…
• Page 112
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Hydraulic assembly, system boiler (cont.) Pos. Part 0003 Safety valve 3 bar 0004 Clips (set) 0005 Quick-action air vent valve 0006 Gaskets (set) 0007 GTC stepper motor 0008 Cartridge, stepper motor 0009…
• Page 113
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Hydraulic assembly, combi boiler 0004 0005 0004 0005 0010 0005 0002 0006 0001 0005 0003 0004 0004 0004 0005 0007 0004 0008 0005 0004 0009 Pos. Part 0001 Diaphragm expansion vessel…
• Page 114
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Hydraulic assembly, combi boiler (cont.) Pos. Part 0008 Pressure sensor 0009 Hydraulic block See Hydraulic block assembly, combi boiler 0010 Thermal circuit breaker Hydraulic block assembly, combi boiler 0001 0011 0002…
• Page 115
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Hydraulic assembly, combi boiler (cont.) Pos. Part 0003 Safety valve 3 bar 0004 Clips (set) 0005 Quick-action air vent valve 0006 Gaskets (set) 0007 GTC stepper motor 0008 Cartridge, stepper motor 0009…
• Page 116
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Control unit assembly 0002 0001 0003 0004 0001 0011 0012 0006 0007 0010 0008 0009 0013 0014 Pos. Part 0001 Control unit front 0002…
• Page 117
  Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW Control unit assembly (cont.) Pos. Part 0003 Cable fixing 0004 Fuse, 2.5 A (slow), 250 V (10 pce) 0006 Cable harness X100/X4 0007 Connecting cable Vitopend X6 0008 Connecting cable Vitopend stepper motor 0009…
• Page 118
  Specification Rated heating output 18 kW Specification Note The supply values are only for refer- ence (e.g. in the gas contract applica- tion) or for a supplementary, rough esti- mate to check the volumetric settings. Due to factory settings, the gas pres- sure must not be altered from these values.
• Page 119
  Specification Rated heating output 18 kW (cont.) Model Combi boiler System boiler (heat only) Type L1P20 — A1JF N1P20 — A1GF Rated heat input (heating mode) 5.7 — 20.4 5.7 — 20.4 Rated heat input (DHW heating) 5.7 — 22.8 –…
• Page 120
  Specification Rated heating output 18 kW (cont.) Residual head of the circulation pump 800 1000 1200 Flow rate in l/h A Stage 1 B Stage 2 C Stage 3 Rated heating output 22 kW Note The supply values are only for refer- ence (e.g.
• Page 121
  Specification Rated heating output 22 kW (cont.) Model Combi boiler System boiler Type L1P24 — A1JF N1P24 — A1HF Rated heat input (heating mode) 6.1 — 24.4 6.1 — 24.4 Rated heat input (DHW heating) 6.1 — 24.4 6.1 — 24.4 Nozzle pressure at max.
• Page 122
  Specification Rated heating output 22 kW (cont.) Model Combi boiler System boiler Type L1P24 — A1JF N1P24 — A1HF Rated heat input (heating mode) 6.1 — 24.4 6.1 — 24.4 Rated heat input (DHW heating) 6.1 — 24.4 6.1 — 24.4 Electronic temperature limiter setting °C Temperature limiter setting…
• Page 123
  Specification Rated heating output 24 kW (cont.) Model Combi boiler System boiler Type L1P27 — A1JE N1P27 — A1HE Rated heat input (heating mode) 6.7 — 27.2 6.7 — 27.2 Rated heat input (DHW heating) 6.7 — 27.2 6.7 — 27.2 Rated heating output (heating mode) 6.0 — 24.8 6.0 — 24.8…
• Page 124
  Specification Rated heating output 24 kW (cont.) Model Combi boiler System boiler Type L1P27 — A1JE N1P27 — A1HE Rated heat input (heating mode) 6.7 — 27.2 6.7 — 27.2 Rated heat input (DHW heating) 6.7 — 27.2 6.7 — 27.2 IP rating IPX4D IPX4D…
• Page 125
  Specification Rated heating output 30 kW Note The supply values are only for refer- ence (e.g. in the gas contract applica- tion) or for a supplementary, rough esti- mate to check the volumetric settings. Due to factory settings, the gas pres- sure must not be altered from these values.
• Page 126
  Specification Rated heating output 30 kW (cont.) Model Combi boiler System boiler Type L1P33 — A1JE N1P33 — A1HE Rated heat input (heating mode) 8.5 — 33.3 8.5 — 33.3 Rated heat input (DHW heating) 8.5 — 33.3 8.5 — 33.3 Operating pressure (on the DHW side) Min.
• Page 127
  Specification Rated heating output 30 kW (cont.) Residual head of the circulation pump 1200 1600 2000 2400 2800 3200 3600 Flow rate in l/h A Stage 1 B Stage 2 C Stage 3 Rated heating output 36 kW Note The supply values are only for refer- ence (e.g.
• Page 128
  Specification Rated heating output 36 kW (cont.) Model Combi boiler System boiler Type L1P40 — A1JE N1P40 — A1HE Rated heat input (heating mode) 10.0 — 40 10.0 — 40 Rated heat input (DHW heating) 10.0 — 40 10.0 — 40 Nozzle pressure at max.
• Page 129
  Specification Rated heating output 36 kW (cont.) Model Combi boiler System boiler Type L1P40 — A1JE N1P40 — A1HE Rated heat input (heating mode) 10.0 — 40 10.0 — 40 Rated heat input (DHW heating) 10.0 — 40 10.0 — 40 Electronic temperature limiter setting °C Temperature limiter setting…
• Page 130
  Certificates Manufacturer’s declaration for Vitopend 100-W We, Viessmann Heating Technology Dachang Co., Ltd., declare as sole responsi- ble body that the product Vitopend 100-W complies with the following standards: GB25034-2010 CECS215:2006 This product meets the requirements of the efficiency standard GB20665-2015 and is classified as an energy saving product.
• Page 131
  Keyword index Keyword index Flow limiter………59 Annular gap check……52 Flue gas connection……20 Flue gas emissions test….. 59 Flue gas heat exchanger….55 Boiler mounting……..17 Frost limit……….. 86 Boiler water temperature sensor..80 Frost protection……..86 Burner……….53 Function sequence……68 Fuse………..
• Page 132
  Keyword index Keyword index (cont.) Supply pressure……… 43 ON/OFF switch……..84 Switching off DHW……41 OpenTherm – Connection……..28 Outlet temperature sensor….80 Temperature limiter……80 Outside temperature sensor..25, 77 Test pressure……..20 – Setting……….38 Tightness test……..52 Time, setting……..37 Parameters –…
• Page 136
  7639517 7639518 7639519 7639520 7639521 7639523 7639529 Viessmann Werke GmbH & Co. KG Viessmann China Ltd. D-35107 Allendorf Unit 16,17/F., Millennium City 2 Telephone: +49 6452 70-0 378 Kwun Tong Road Fax: +49 6452 70-2780 Kwun Tong, Kowloon, Hong Kong www.viessmann.com…