Viessmann Vitodens 100-W Installation And Service Instructions Manual
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Viessmann Vitodens 100-W Installation And Service Instructions Manual

Type wb1b, 7.9 to 35.0 kw wall mounted gas condensing boiler
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Download this manual See also: Instructions for Installation and Servicing, Installation and Service Instructions Manual
VIESMANN
Installation and service
instructions
for contractors
Vitodens 100-W
Type WB1B, 7.9 to 35.0 kW
Wall mounted gas condensing boiler
Natural gas and LPG version
Gas Council No.: 41-819-21; 41-819-22; 41-819-23; 41-819-24;
41-819-25
For applicability, see the last page
VITODENS 100-W
Please keep safe.
5368 662 GB
6/2016

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  • Page 1 VIESMANN Installation and service instructions for contractors Vitodens 100-W Type WB1B, 7.9 to 35.0 kW Wall mounted gas condensing boiler Natural gas and LPG version Gas Council No.: 41-819-21; 41-819-22; 41-819-23; 41-819-24; 41-819-25 For applicability, see the last page VITODENS 100-W Please keep safe.
  • Page 2 Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained ■ Codes of practice of the 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 ■ Open windows and doors. system. ■ Evacuate any people from the Replace faulty components only danger zone. with genuine Viessmann spare ■ Notify your gas or electricity parts. supply utility from outside the building. Auxiliary components, spare and ■...
  • Page 4 Safety instructions Safety instructions (cont.) What to do if water escapes from the Extractors appliance Operating appliances that extract air to Danger the outside (cooker hoods, extractors, When water escapes from the air conditioning units, etc.) can create appliance there is a risk of elec- negative pressure.

  • Page 5: Table Of Contents

    Index Index Service instructions Information Symbols........................ Intended use......................Product information....................Installation instructions Preparing for installation................... Installation sequence Mounting the boiler and making connections............12 Opening the control unit enclosure............... 17 Electrical connections................... 18 Service instructions Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance.......... 21 Further details regarding the individual steps............

  • Page 6: Information

    Information Symbols Symbol Meaning Reference to other document containing further information Step in a diagram: The numbers correspond to the order in which the steps are car- ried out. Warning of material losses and environmental pollution Live electrical area Pay particular attention. ■...

  • Page 7: Intended Use

    Preset for operation with natural gas. Conversion to LPG P requires a gas conversion kit. Conversion for other countries The Vitodens 100-W may only be deliv- ered to countries listed on the type plate. For deliveries to other countries, approved contractors must arrange...

  • Page 8: Preparing For Installation

    Preparing for installation Preparing for installation Preparing for boiler installation Dimensions and connections D Gas connection R ½ A Heating flow 7 22 mm B Heating return 7 22 mm C Condensate drain: Plastic hose 7 22 mm...
  • Page 9 Preparing for installation Preparing for installation (cont.) Rated heating output 7.9 - 13 7.9 - 16 7.9 - 19 7.9 - 26 11.0 - 35 range...
  • Page 10 Preparing for installation Preparing for installation (cont.) Fitting the wall mounting bracket Ø 1 A Vitodens installation template B Opening for the balanced flue pipe...
  • Page 11 Preparing for installation Preparing for installation (cont.) 1. Position the supplied installation template on the wall. 2. Drill 7 10 mm holes and insert the rawl plugs supplied. 3. Fit the wall mounting bracket with the screws supplied. Preparing the connections Please note To prevent appliance damage, connect all pipework free of load...

  • Page 12: Installation Sequence

    Installation sequence Mounting the boiler and making connections Removing the front panel and mounting the boiler 1. Undo the screws on the underside 3. Hook the boiler into the wall mount- of the boiler; do not remove them ing bracket. completely.
  • Page 13 Install a shut-off valve and drain & fill valve on site in the heating water return. A Heating water flow B Heating water return Y-plan system A Cylinder D Feed and expansion tank B Vitodens 100-W E 3-way diverter valve C Circulation pump F Radiators...
  • Page 14 Installation sequence Mounting the boiler and making connections (cont.) Gas connection 1. Connect the gas shut-off valve to connection A. 2. Carry out a tightness test. Note Only use suitable and approved leak detection agents (EN 14291) and devices for the tightness test. Leak detection agents with unsuita- ble constituents (e.g.
  • Page 15 Installation sequence Mounting the boiler and making connections (cont.) Condensate connection 1. Pull condensate pipe A out of the appliance far enough to prevent unnecessary bends inside the appliance. Ensure that the trap is properly connected. 2. Connect condensate pipe A to the public sewage system with a con- stant fall and a pipe vent.
  • Page 16 Balanced flue connection Flue system installation instruc- tions Please note When using the Viessmann flue system, please read the instruc- tions. The flue system must be free to expand and contract. Therefore no screws are required unless these are specifically mentioned in the instructions.

  • Page 17: Opening The Control Unit Enclosure

    Installation sequence Mounting the boiler and making connections (cont.) Do not carry out commissioning until Danger the following conditions are met: Leaking or blocked flue systems ■ Free passage through the flue gas or an insufficient supply of com- pipes. bustion air cause life threatening ■...

  • Page 18: Electrical Connections

    Installation sequence Electrical connections Information on connecting accessories When connecting accessories observe the separate installation instructions provided with them. PUMP L N 1 L N 4 3 2 1 A Only for weather-compensated F Power supply (230 V, 50 Hz). mode: Outside temperature sensor Danger...
  • Page 19 Installation sequence Electrical connections (cont.) Wire the power supply with a neu- Separate installation tral conductor. Connect water pipes instructions to the earth bonding of the building in question. ■ On-site room temperature con- G Connections for external 230 V troller controls: ■...
  • Page 20 Installation sequence Electrical connections (cont.) Routing connecting cables and closing the control unit enclo- sure Please note When routing and securing Connecting cables/leads will be cables/leads on site, ensure that damaged if they touch hot com- the maximum permissible tem- ponents.

  • Page 21: Commissioning, Inspection, 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 the heating system..........22 • 2. Venting the boiler............23 •...

  • Page 22: Further Details Regarding The Individual Steps

    Commissioning, inspection, maintenance Further details regarding the individual steps Filling the heating system Please note Fill and vent the heating system. Unsuitable fill water increases the level of deposits and corro- sion and may lead to boiler damage. ■ Flush the heating system thor- oughly before filling.

  • Page 23: Venting The Boiler

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Venting the boiler 1. Close shut-off valve in heating water return. 2. Remove cover panel. 3. Connect the drain hose on air vent valve A to a drain. 4. Open air vent valve A and on-site fill valve in heating water return B.

  • Page 24: Converting To Operation With Lpg

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Converting to operation with LPG In the delivered condition, the boiler is Separate installation instructions set up for operation with natural gas. For operation with LPG, change the gas nozzle and switch to the correct For conversion from LPG to natural gas type at the control unit.
  • Page 25 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Close the gas shut-off valve. 7. Implement measures as indicated in the table below. 2. Undo screw in test connector A on the gas train, but do not remove it. 8.

  • Page 26: Checking The Co 2 2 Content

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the CO or O content The Vitodens 100-W is factory-set for If the actual CO or O and CO values natural gas. During commissioning or deviate from the stated range, check...
  • Page 27 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. Turn rotary selector "tr" clock- wise for less than 2 s and then anti- clockwise back to the control range on the right. The display shows "SERV" and the boiler water temperature is shown.

  • Page 28: Removing The Burner

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 9. Shut the boiler down, remove flue gas analyser and close flue gas port A. Removing the burner 1. Switch off the power supply. 6. Undo gas supply pipe fitting D. 2.

  • Page 29: Checking The Burner Gasket And Burner Gauze Assembly

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the burner gasket and burner gauze assembly Check burner gasket A and burner gauze assembly D for damage and replace if necessary. 1. Remove electrode B. 4. Insert and secure new burner gauze assembly D with new gas- 2.

  • Page 30: Checking And Adjusting The Electrode

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 5. Mount thermal insulation ring C. 6. Fit electrode B. Please note Please note Tighten the screws suffi- Tighten the screws suffi- ciently to ensure the compo- ciently to ensure the compo- nents do not suffer damage nents do not suffer damage and will function correctly.

  • Page 31: Cleaning The Heat Exchanger

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the heat exchanger Please note Note Scratches to the surfaces of the Discolouration on the heat exchanger heat exchanger that come into surface is a normal sign of use. It has contact with hot gas can result no bearing on the function and service in corrosion damage.

  • Page 32: Checking The Condensate Drain And Cleaning The Trap

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the condensate drain and cleaning the trap 1. Check at trap A that the conden- sate can drain freely. 2. Place an appropriate drip pan below trap A. 3. Remove locking cap B and drain the content of trap A into the drip pan.

  • Page 33: Installing The Burner

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Installing the burner 1. Fit the burner and tighten 4 screws 4. Attach electrical cables from fan A diagonally. motor C and gas train D. Please note 5. Plug ignition electrode cable E Tighten the screws suffi- into the control unit and close the ciently to ensure the compo-...

  • Page 34: Checking All Gas Equipment For Tightness At Operating Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 7. Check the gas connections for Danger tightness. Escaping gas leads to a risk of explosion. Check the fitting for gas tightness. Checking all gas equipment for tightness at operating pressure Danger Note Escaping gas leads to a risk of...

  • Page 35: Fitting The Front Panel

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Fitting the front panel Instructing the system user The system installer should hand the operating instructions to the system user and instruct the user in operating the system.

  • Page 36: Troubleshooting

    Troubleshooting Function sequence and possible faults Display Action Control unit is- Increase set value sues a heat de- and ensure heat is mand drawn off Fan starts No fault display Heating water flow rate too low. In- crease flow rate and ensure heat is drawn off.

  • Page 37: Fault Display

    Troubleshooting Function sequence and possible faults (cont.) Ionisation current Fault F4 Check the ionisa- builds (above tion current and 2 µA) electrode adjust- ment, check the Symbol A condensate drain and check the gas line for airlocks. Burner in opera- Shuts down below Check the flue tion...
  • Page 38 Troubleshooting Fault display (cont.) Fault code System character- Cause Measures displayed istics Continuous opera- Short circuit, out- Check the outside tem- tion side temperature perature sensor and lead sensor (see page 43). Continuous opera- Lead break, out- Check the outside tem- tion side temperature perature sensor and lead...
  • Page 39 Troubleshooting Fault display (cont.) Fault code System character- Cause Measures displayed istics Burner in a fault Max. flue gas tem- Check heating system fill state perature exceeded level. Check circulation pump. Vent the system. Press "Reset" (see page 41). Burner in a fault Temperature limit- Check heating system fill state...
  • Page 40 Troubleshooting Fault display (cont.) Fault code System character- Cause Measures displayed istics Burner in a fault Fan idle state not Check fan, fan connect- state reached ing cables and fan con- trol. Press "Reset" (see page 41). Burner blocked Electrical fan con- Check fan connecting ca- trol (control unit) bles;...
  • Page 41 Troubleshooting Fault display (cont.) Initiating a reset Note Only press RESET if fault symbol " U " is flashing. Turn rotary selector "rt" to "U RESET" for between 1 s and 2 s, then back to the control range.

  • Page 42: Repairs

    Troubleshooting Repairs Removing the front panel and pivoting the control unit down- wards...
  • Page 43 Troubleshooting Repairs (cont.) Outside temperature sensor 1. Open the control unit enclosure. See page 17. 2. Disconnect leads from outside tem- perature sensor. 4 3 2 1 3. Check sensor resistance and com- pare it to the curve. 4. In the event of severe deviation replace the sensor.
  • Page 44 Troubleshooting Repairs (cont.) Checking the boiler water temperature sensor and return tem- perature sensor 1. Disconnect the leads from boiler water temperature sensor A or return temperature sensor B and check the resistance.
  • Page 45 Troubleshooting Repairs (cont.) 2. Check sensor resistance and com- pare it to the curve. 3. In the case of severe deviation, drain the boiler on the heating water side and replace the sensor. Danger The boiler water tempera- ture sensor is directly immersed in the heating 10 30 50 70 90 110 water (risk of scalding).
  • Page 46 Troubleshooting Repairs (cont.) Checking the flue gas temperature sensor 1. Disconnect the leads from flue gas temperature sensor A and check the resistance. 2. Check sensor resistance and com- pare it to the curve. 3. In the event of severe deviation replace the sensor.
  • Page 47 Troubleshooting Repairs (cont.) Checking the temperature limiter If the burner control unit cannot be reset after a fault shutdown although the boiler water temperature is below approx. 95 °C, check the temperature limiter. 1. Disconnect the leads from tempera- ture limiter A. 2.
  • Page 48 Troubleshooting Repairs (cont.) Checking the fuse 1. Switch off the power supply. 2. Open control unit enclosure (see page 17). 3. Check fuse F4.

  • Page 49: Gas Type Conversion

    Gas type conversion Changing from LPG to natural gas Replacing the gas restrictor 1. Remove the burner (see page 28). 4. Mount gas train B with new gasket 2. Undo 3 screws A and remove gas train B. Please note Tighten the screws suffi- 3.
  • Page 50 Gas type conversion Changing from LPG to natural gas (cont.) 5. Refit the burner with a new gasket Please note Tighten the union nuts suffi- E and tighten the union nuts. ciently to ensure the compo- nents do not suffer damage and will function correctly.
  • Page 51 Gas type conversion Changing from LPG to natural gas (cont.) 5. Do not adjust the rotary selectors for at least 15 s. The set operating mode is then saved and the control unit returns to standard mode. 6. Turn the ON/OFF switch off and on again.

  • Page 52: Control Unit

    Control unit Functions and operating conditions in weather-compensated mode In weather-compensated mode, the Note boiler water temperature is regulated Y-plan and S-plan systems cannot be subject to the outside temperature. operated in weather-compensated mode. For further information, see separate installation instructions for the cylinder demand terminal box (accessories).
  • Page 53 Control unit Functions and operating conditions in… (cont.) Note The frost protection function is only enabled if the circulation pump is con- nected to the boiler control unit. Other- wise install an external frost stat.

  • Page 54: Designs

    Designs Connection and wiring diagram Ignition/ionisation Vitotrol 100, type UTA or on-site room temperature controller (switched 230 V input)
  • Page 55 Designs Connection and wiring diagram (cont.) Vitotrol 100, type RT or on-site PCB inside the control unit room temperature controller X ... Electrical interface (switched 230 V input) Boiler water temperature sensor § Vitotrol 100, type UTD or on-site Cylinder demand terminal box room temperature controller (accessories) (switched 230 V input)

  • Page 56: Parts Lists

    Parts lists Parts lists When ordering spare parts: Standard parts are available from your Quote the part and serial numbers (see local supplier. type plate) and the position numbers of the required part (as per this parts list).
  • Page 57 Parts lists Parts lists (cont.)
  • Page 58 Parts lists Parts lists (cont.) 001 Heat exchanger 003 Connection pipe, heating water 002 Connection pipe, heating water return flow 004 Gas supply pipe...
  • Page 59 Parts lists Parts lists (cont.) 005 Boiler flue connection with gasket 037 Touch-up paint stick, white 006 Trap 038 Special grease 007 Flue gasket 041 Installation and service instruc- 008 Plug for boiler flue connection tions 009 Thermal insulation block 042 Operating instructions 010 Condensate pipe 044 Power cable...

  • Page 60: Specification

    Specification Specification Rated heating output range 50/30 °C 7.9 - 13 7.9 - 16 7.9 - 19 7.9 - 26 11 - 35 80/60 °C 7.2 - 11.9 7.2 - 14.6 7.2 - 17.3 7.2 - 23.7 10 - 31.9 Rated heating in- 7.4 - 12.2 7.4 - 15.0 7.4 - 17.8 7.4 - 24.3 10.3 -...
  • Page 61 Specification Specification (cont.) Note The supply values are only for reference (e.g. in the gas contract application) or for a supplementary, rough estimate to check the volumetric settings. Due to the fac- tory settings, the gas pressure must not be altered from these values. Reference: 15 °C, 1013 mbar (101.3 kPa).

  • Page 62: Certificates

    Certificates Declaration of conformity Vitodens 100-W, type WB1B We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole responsible body that the named product complies with the provisions of the follow- ing directives and regulations: 90/396/EEC Gas Appliances...

  • Page 63: Keyword Index

    Keyword index Keyword index Boiler water temperature sensor..44 Heat exchanger cleaning....31 Burner gasket........29 Heating curve........52 Burner gauze assembly..... 29 Burner installation......33 Burner removal........28 Ignition..........30 Ignition electrode........30 Ionisation electrode......30 Combustion chamber cleaning..31 Commissioning........22 Condensate connection..... 15 Outside temperature sensor....
  • Page 64 These service instructions relate to appliances with the following serial num- bers (see type plate): 7416302 7416303 7416304 7416307 7499606 Viessmann Werke GmbH & Co. KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com...

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Vitodens 100-w

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