Viessmann VITODENS 200-W Service Instructions Manual
  1. Manuals
  2. Brands
  3. Viessmann Manuals
  4. Boiler
  5. Vitodens 200-W System
  6. Service instructions manual

Viessmann VITODENS 200-W Service Instructions Manual

Wall mounted gas fired condensing boiler natural gas and lpg version
Hide thumbs Also See for VITODENS 200-W:
Table of Contents

Advertisement

Quick Links

See also: Technician Manual , Instruction and Service Manual
VIESMANN
Service instructions
for contractors
Vitodens 200-W
Type WB2B, 4.8 to 35.0 kW
Wall mounted gas fired condensing boiler
Natural gas and LPG version
For applicability, see the last page
VITODENS 200-W
Please keep safe.
5692 672 GB
5/2008

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the VITODENS 200-W and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Viessmann VITODENS 200-W

Summary of Contents for Viessmann VITODENS 200-W

  • Page 1 VIESMANN Service instructions for contractors Vitodens 200-W Type WB2B, 4.8 to 35.0 kW Wall mounted gas fired condensing boiler Natural gas and LPG version For applicability, see the last page VITODENS 200-W Please keep safe. 5692 672 GB 5/2008...

  • Page 2: Safety Instructions

    Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and material 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 Safety instructions Safety instructions (cont.) Working on the system Repair work When using gas as fuel, also close Please note the main gas shut-off valve and Repairing components which safeguard against unauthorised fulfil a safety function can com- reopening. promise the safe operation of Isolate the system from the power your heating system.

  • Page 4: Table Of Contents

    Index Index Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance ........Further details regarding the individual steps ..........Coding Code 1......................36 Code 2......................39 Resetting codes to their delivered condition ..........58 Service scans Service level overview ................59 Temperatures, boiler coding card and brief scans ........

  • Page 5: 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 ..........2.
  • Page 6 Commissioning, inspection, maintenance Steps - commissioning, inspection and . . . (cont.) Commissioning steps Inspection steps Maintenance steps Page 21. Flow limiter (only for gas combi boilers) ..... 22.

  • Page 7: Further Details Regarding The Individual Steps

    Commissioning, inspection, maintenance Further details regarding the individual steps Filling the heating system Please note Unsuitable fill water increases the level of deposits and corrosion and may lead to boiler damage. Thoroughly flush the entire heating system prior to filling it with water. Only use fill water of potable quality.

  • Page 8: Venting The Boiler

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Venting the boiler 1. Close the shut-off valves on the 3. Open valves A and B and vent heating water side. using mains pressure until no more air noise is audible. 2.

  • Page 9: Filling The Siphon With Water

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Activate the venting program via 3. Check the system pressure. coding address "2F:1" in code 1. Note To call up code 1 and for setting the coding address, see page 36. For function and sequence of the venting program, see page 99.

  • Page 10: Setting The Time And Date (If Required) Only For Weather-Compensated Control Units

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Setting the time and date (if required) only for weather- compensated control units Note Date (see step 2) During commissioning, or after a prolonged time out of use, it may be necessary to reset the time and date, if the time flashes in the dis- play.

  • Page 11: Checking The Gas Type

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. c press this button again, 4. b for the required language. "Außentemperatur" (outside temperature) is displayed. 5. d to confirm. Checking the gas type The boiler is equipped with an electronic combustion control unit that adjusts the burner for optimum combustion in accordance with the prevailing gas qual- ity.

  • Page 12: Gas Type Conversion (Only For Operation With Lpg)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Gas type conversion (only for operation with LPG) 1. Set adjusting screw A at the gas train to "2". 2. Switch ON system ON/OFF switch "8". 3. Adjust the gas type (see page 82): Call up code 2 In coding address "11", select value "9"...
  • Page 13 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Ignition Fault F4 Check the ignition module (control voltage 230 V across plugs "X2.1" and "X2.2") Gas train opens Fault F4 Check the gas train (control vol- tage 230 V); check the gas supply pressure Ionisation cur-...

  • Page 14: Checking The Static And Supply Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) For further details regarding faults, see page 69. Checking the static and supply pressure Danger CO build-up as a result of an incorrect burner setup can have serious health implications. Carry out a CO test prior to and after work on gas equipment.
  • Page 15 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6. Check the supply (flow) pressure. Set values: Natural gas 20 mbar. LPG 50 mbar. Note Use suitable test equipment with a resolution of at least 0.1 mbar to measure the supply pressure. 7.

  • Page 16: Setting The Maximum Output

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Setting the maximum output Note You can limit the maximum output for heating operation. The limit is set via the modulation range. The max. adjustable heating output is limited upwards by the boiler coding card.

  • Page 17: Burner Removal

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) For balanced flue systems tested The flue pipe is deemed to be gas- together with the wall mounted gas tight if the CO concentration in the fired boiler, the requirement for a combustion air is no higher than 0.2 % tightness test during commissioning or the O...
  • Page 18 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Switch OFF the main power supply 4. Release gas supply pipe F fitting. and the ON/OFF switch at the con- trol unit. 5. Undo four screws G and remove the burner.

  • Page 19: Checking The Burner Gasket And The Burner Gauze Assembly

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the burner gasket and the burner gauze assembly Check burner gasket A and burner gauze assembly E for damage and replace, if required. Generally replace the burner gasket every 2 years. 1.

  • Page 20: 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 electro- A Ignition electrodes B Ionisation electrode 1. Check the electrodes for wear and 3. Check the electrode gaps. If the contamination. gaps are not as specified or the electrodes are damaged, replace 2.
  • Page 21 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Use a vacuum cleaner to remove residues from the heat exchanger A inside the combus- tion chamber. 2. If required, spray slightly acidic, chloride-free cleaning agents based on phosphoric acid (e.g. Antox 75 E) onto the heat exchanger A and let the solution soak in for approx.

  • Page 22: Checking The Condensate Drain And Cleaning The Siphon

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the condensate drain and cleaning the siphon 1. Check that the condensate can drain freely at the siphon. 2. Remove retaining clip A and siphon B. 3. Clean siphon B. 4.

  • Page 23: 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 pres- sure Note 2. If the inlet pressure of the dia- Carry out this test on a cold system. phragm expansion vessel is lower than the static system pressure, 1.
  • Page 24 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Note During commissioning, the combustion control unit carries out an automatic calibration. Only test the emissions approx. 30 s after the burner has started. 4. Check the CO content. Should the actual value deviate from the above ranges by more than 1 %, implement steps from page 23.

  • Page 25: Matching The Control Unit To The Heating System

    For the selection of an appropriate design, see the following diagrams. For coding steps, see page 36. System version 1 One heating circuit without mixer A1 (with/without DHW heating) 1 Vitodens 200-W 3 Vitotrol 100 (only for constant 2 Outside temperature sensor (only temperature control units)
  • Page 26 Note The volume flow of the heating circuit without mixer must be at least 30% greater than the volume flow of the heating circuit with mixer. 1 Vitodens 200-W 7 Temperature limiter for limiting the 2 Outside temperature sensor max. temp. of underfloor heating...
  • Page 27 (cont.) System version 3 One heating circuit without mixer A1 and one heating circuit with mixer M2 with system separation (with/without DHW heating) 1 Vitodens 200-W 8 Flow temperature sensor M2 2 Outside temperature sensor 9 Heating circuit pump M2...
  • Page 28 One heating circuit with mixer M1 (with Vitotronic 200-H), one heating cir- cuit with mixer M2 (with extension kit) and low loss header (with/without DHW heating) 1 Vitodens 200-W qP Temperature limiter for limiting the 2 Outside temperature sensor max. temp. of underfloor heating...

  • Page 29: Adjusting The Heating Curves (Only For Weather-Compensated Control Units)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Adjusting the heating curves (only for weather-compensated control units) The heating curves illustrate the rela- The room temperature, again, tionship between the outside tem- depends on the boiler water or the perature and the boiler water or flow flow temperature.
  • Page 30 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Changing the slope and level 1. Slope: Change with coding address "d3" in code 1. Setting range 2 to 35 (equals slope 0.2 to 3.5). 2. Level: Change with coding address "d4" in code 1.
  • Page 31 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Adjusting the set room temperature 5. Adjust the set day temperature with Standard room temperature rotary selector "ts". The value will be automatically accepted after approx. 2 s. Accordingly, the heating curve is adjusted along set room tempera- ture axis C, which results in modi- fied start/stop characteristics of the...

  • Page 32: Connecting The Control Unit To The Lon System (Only For Weather-Compensated Control Units)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. d to select heating circuit A1 5. E Call up the set night tem- (heating circuit without perature. mixer) 6. a/b Change the value. 3. a "2r" flashes. 7. d Confirm the value.
  • Page 33 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Boiler control unit Vitotronic 200-H Vitotronic 200-H Vitocom Control unit trans- Control unit re- Control unit re- mits outside tem- ceives outside tem- ceives outside tem- perature perature perature Set code "97:2" Set code "97:1"...

  • Page 34: Instructing The System User

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Press the following keys: 4. "Check OK" is displayed during communication between both 1. L + d simultaneously for devices. approx. 2 s. The subscriber check has been initiated. "Check not OK" is displayed if there is no communication 2.
  • Page 35 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. d The service display will be Note cleared (for a weather- An acknowledged service message compensated control unit: can be redisplayed by pressing d "Acknowledge: Yes", (approx. 3 s). reconfirm with d).

  • Page 36: Coding

    Coding Code 1 Calling up code 1 Note 2. a/b for the required coding On weather-compensated control address; the address units, codes are displayed as plain flashes. text. Codes that are irrelevant due to the 3. d to confirm. system equipment level or the set- ting of other codes will not be dis- 4.
  • Page 37 Coding Code 1 (cont.) Overview Coding Coding in the delivered condition Possible change System design 00 :1 System version 1: 00 :2 System version 1: 1 heating circuit without 1 heating circuit without mixer A1, without DHW mixer A1, with DHW heat- heating 00 :3 System version 4:...
  • Page 38 Coding Code 1 (cont.) Coding in the delivered condition Possible change Subscriber no. 77:1 LON subscriber number 77:2 LON subscriber number, adjustable from 1 to 99: 77:99 1 - 4 = Boiler 5 = Cascade 10 - ... = Vitotronic 200-H 99 = Vitocom Note Allocate each number...

  • Page 39: Code 2

    Coding Code 2 Calling up code 2 Note On weather-compensated control units, codes are displayed as plain text. Codes that are irrelevant due to the system equipment level or the set- ting of other codes will not be dis- played. Press the following keys: 1.
  • Page 40 Coding Code 2 (cont.) The areas are scanned in the following sequence with a/b: Function area Coding addresses System design Boiler/burner 06 to 54 56 to 73 General 76 to 9F Heating circuit A1 (heating circuit without A0 to Fb mixer) Heating circuit with mixer M2 A0 to Fb...
  • Page 41 Coding Code 2 (cont.) Coding Coding Coding in the delivered condition Possible change System design 00 :1 System version 1: 00 :2 System version 1: 1 heating circuit without 1 heating circuit without mixer A1, without DHW mixer A1, with DHW heat- heating 00 :3 System version 4:...
  • Page 42 Coding Code 2 (cont.) Coding in the delivered condition Possible change 23:0 No time interval for 23:1 Interval adjustable from 1 burner service selected to 24 months 23:24 24:0 The service display is 24:1 "Service" display (the reset value is automatically set and must be manually reset after a service has been carried out)
  • Page 43 Coding Code 2 (cont.) Value Internal circu- Heating circuit Heating circuit Circulation address lation pump pump pump pump for cylin- 32: ... Heating circuit Heating circuit der heating without mixer with mixer Control funct. Control funct. Control funct. Control funct. Control funct.
  • Page 44 Coding Code 2 (cont.) Value Internal Heating cir- Heating cir- Circulation pump for address circulation cuit pump cuit pump cylinder heating 34: ... pump Heating cir- Heating cir- cuit without cuit with mixer mixer Control Control funct. funct. Control Control funct. Control funct. funct.
  • Page 45 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler/burner 38:0 Status burner control 38: 0 Fault burner control unit unit: Operational (no fault) 51:0 Internal circulation 51:1 When there is a heat de- pump is always started mand, the internal circu- when there is a heat de- lation pump will only be...
  • Page 46 Coding Code 2 (cont.) Coding in the delivered condition Possible change 58:0 Without auxiliary func- 58:10 Input of a second set tion for DHW heating DHW temperature, adjus- 58:60 table from 10 to 60 °C (observe coding ad- dresses "56" and "63") 59:0 Cylinder heating: 59:1...
  • Page 47 Coding Code 2 (cont.) Coding in the delivered condition Possible change 6F:... Maximum output for 6F:0 Max. output during DHW DHW heating in %; de- heating adjustable from 0 faulted by the boiler 6F:100 to 100 % coding card 71:0 DHW circulation pump: 71:1 "OFF"...
  • Page 48 Coding Code 2 (cont.) Coding in the delivered condition Possible change 7b:1 With LON communica- 7b:0 Do not transmit time tion module: The control unit transmits the time (only for weather-com- pensated control units) 7F:1 Detached house (only 7F:0 Apartment block for weather-compen- Separate adjustment of sated control units)
  • Page 49 Coding Code 2 (cont.) Coding in the delivered condition Possible change 85:0 Standard mode 85:1 Manual calibration of the combustion controller (only adjustable if coding address 11:9 has been set). The red fault indicator also flashes during cali- bration. The process has terminated when the red fault indicator no longer flashes (after approx.
  • Page 50 Coding Code 2 (cont.) Coding in the delivered condition Possible change 95:0 Without Vitocom 100 95:1 With the Vitocom 100 communication inter- communication interface; face automatic recognition 97:0 With LON communica- 97:1 The control unit receives tion module: The out- the outside temperature side temperature of the 97:2...
  • Page 51 Coding Code 2 (cont.) Coding in the delivered condition Possible change A3:2 Outside temperature A3:-9 Heating circuit pump below 1 °C: Heating cir- "ON/OFF" (see the fol- cuit pump "ON" A3:15 lowing table) Outside temperature above 3 °C: Heating cir- cuit pump "OFF"...
  • Page 52 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler circuit, mixer circuit A4:0 With frost protection A4:1 No frost protection, ad- (only for weather-com- justment only possible if pensated control units) coding address "A3: -9" has been selected. Note Observe the note for code "A3"...
  • Page 53 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler circuit, mixer circuit A6:36 Extended economy A6:5 Extended economy mode function disabled (only is enabled, i.e. the burner for weather-compen- A6:35 and heating circuit pump sated control units) are switched OFF and the mixer will be closed at a variable value that is...
  • Page 54 Coding Code 2 (cont.) Coding in the delivered condition Possible change A9:7 With pump idle time: A9:0 Without pump idle time Heating circuit pump A9:1 With pump idle time; ad- "OFF" if the set value justable from 1 to 15 changes through a A9:15 change in operating...
  • Page 55 Coding Code 2 (cont.) Parameter ad- With heating circuit pump logic function: Heating cir- dress b5:... cuit pump OFF, if enabled RT > RT + 5 K; disabled RT < RT + 4 K actual actual enabled RT > RT + 4 K;...
  • Page 56 Coding Code 2 (cont.) Coding in the delivered condition Possible change E1:1 With remote control: E1:0 Set day temperature ad- The set day tempera- justable from 3 to 23 °C ture is adjustable at the E1:2 Set day temperature ad- remote control unit from justable from 17 to 37 °C 10 to 30 °C (only for...
  • Page 57 Coding Code 2 (cont.) Coding in the delivered condition Possible change F6:25 In the "DHW only" oper- F6:0 In the "DHW only" operat- ating mode, the internal ing mode, the internal cir- circulation pump is per- culation pump is manently ON (only for permanently OFF constant temperature F6:1...

  • Page 58: Resetting Codes To Their Delivered Condition

    Coding Code 2 (cont.) Coding in the delivered condition Possible change FA:20 Raising the set boiler FA:0 Temperature rise adjusta- water temperature or ble from 0 to 50 % the set flow temperature FA:50 when changing from op- eration with reduced room temperature to op- eration with standard room temperature, by...

  • Page 59: Service Scans

    Service scans Service level overview Function Key combination Exit Page Temperatures, boiler cod- Press K and G simulta- Press d ing card and brief scans neously for approx. 2 s Relay test Press K and d simulta- Press d neously for approx. 2 s Max.

  • Page 60: Temperatures, Boiler Coding Card And Brief Scans

    Service scans Service level overview (cont.) Function Key combination Exit Page Resetting codes to their Press L and G simulta- delivered condition neously for approx. 2 s; then e Temperatures, boiler coding card and brief scans Weather-compensated control unit Press the following keys: 2.
  • Page 61 Service scans Temperatures, boiler coding card and brief . . . (cont.) Brief Display screen scan System designs 01 Number Maximum demand temperature to 06 of KM subscri- bers Flow Software Software Software Software Software version switch version version version version position Program-...
  • Page 62 Service scans Temperatures, boiler coding card and brief . . . (cont.) Brief Display screen scan Internal circulation Heating circuit pump to connection ex- pump tension Variable Software Variable Software Variable Software speed version speed version speed version variable pump variable pump variable...

  • Page 63: Checking Outputs (Relay Test)

    Service scans Temperatures, boiler coding card and brief . . . (cont.) Brief scan Display screen 0: no ex- 0: no exter- External 0 to 10 V hook-up ternal de- nal block- Display in °C mand 0: no external hook-up 1: external 1: external demand...
  • Page 64 Service scans Checking outputs (relay test) (cont.) Display screen Explanation Htg. system valve Diverter valve set to heating mode Valve in middle pos. Diverter valve in central position (filling/draining) DHW valve Diverter valve set to DHW mode Htg.cir.pump M2 On Mixer extension Mix.valve open Mixer extension...

  • Page 65: Scanning Operating Conditions And Sensors

    Service scans Scanning operating conditions and sensors Weather-compensated control unit Press the following keys: 3. c press again. 1. c "Select heating circuit" is 4. a/b for the required operating displayed. condition. 2. d to confirm; wait approx. 5. d Scanning is completed.
  • Page 66 Service scans Scanning operating conditions and sensors (cont.) Display screen Explanation Centr. fault ind. OFF/ON If an external extension is installed Mix. valve OPEN/CLOSE If an extension kit for one heating circuit with mixer is installed Solar pump OFF/ON If a Vitosolic is installed Solar pump, ...h Actual hours run Various languages...

  • Page 67: Troubleshooting

    Troubleshooting Fault display Fault display layout A Fault display C Fault number B Fault symbol D Fault code The red fault indicator flashes for A fault in the burner control unit every fault. causes the display to show "E". Constant temperature control unit In case of a fault, the fault code and fault symbol is displayed at the pro- gramming unit...

  • Page 68: Checking And Acknowledging Faults

    Troubleshooting Fault display (cont.) Collector sensor Remote control Solar DHW sensor Fault participant Checking and acknowledging faults Note If an acknowledged fault is not removed, the fault message will be re- displayed: With a constant temperature control unit after 24 h With a weather-compensated con- trol unit at 7:00 h the next day Constant temperature control unit...

  • Page 69: Fault Codes

    Troubleshooting Fault display (cont.) Calling up fault codes from the fault memory (fault history) The 10 most recent faults are saved Press the following keys: and may be scanned. The faults are ordered by date, thus 1. G + d simultaneously for the most recent fault is fault number 1.
  • Page 70 Troubleshooting Fault codes (cont.) Fault Const. weath.- System char- Cause Measures code comp. acteristics on the display Regulates System flow Check the low without flow temperature loss header sen- temperature sensor lead sor (see page 80). sensor (low broken loss header) Burner Boiler water Check the boiler...
  • Page 71 Troubleshooting Fault codes (cont.) Fault Const. weath.- System char- Cause Measures code comp. acteristics on the display No DHW heat- Cylinder Check the cylin- temperature der temperature sensor or sensor (see comfort sen- page 80). sor lead bro- Check the comfort sensor (see page 82).
  • Page 72 Troubleshooting Fault codes (cont.) Fault Const. weath.- System char- Cause Measures code comp. acteristics on the display Control mode Cylinder Check the sensor temperature at the Vitosolic. sensor lead broken; con- nects to the Vitosolic at Control mode Temperature Check the sensor sensor lead at the Vitosolic.
  • Page 73 Troubleshooting Fault codes (cont.) Fault Const. weath.- System char- Cause Measures code comp. acteristics on the display Control mode Internal fault Replace the con- as per deliv- trol unit. ered condition Burner Boiler coding Plug in boiler cod- blocked card miss- ing card or re- ing, faulty or place it, if faulty.
  • Page 74 Troubleshooting Fault codes (cont.) Fault Const. weath.- System char- Cause Measures code comp. acteristics on the display Control mode Communica- Check connec- tion fault, tions and coding solar control address "54". unit Control mode, Communica- Check setting of max. pump tion fault coding address speed...
  • Page 75 Troubleshooting Fault codes (cont.) Fault Const. weath.- System char- Cause Measures code comp. acteristics on the display Control mode Room tem- Check the room without room perature temperature sen- influence sensor, heat- sor, heating cir- ing circuit cuit with mixer with mixer M2 shorted Control mode...
  • Page 76 Troubleshooting Fault codes (cont.) Fault Const. weath.- System char- Cause Measures code comp. acteristics on the display Burner in a The ionisa- Check the ionisa- fault state tion current tion electrode and lies outside cable. the permissi- Check the flue ble range gas system for during cali-...
  • Page 77 Troubleshooting Fault codes (cont.) Fault Const. weath.- System char- Cause Measures code comp. acteristics on the display Burner in a The tem- Check the heating fault state perature lim- system fill level. iter has Check the circula- responded. tion pump. Vent the system.
  • Page 78 Troubleshooting Fault codes (cont.) Fault Const. weath.- System char- Cause Measures code comp. acteristics on the display Burner in a Fan speed Check the fan, fault state too low dur- check the fan ing the burn- cables and sup- er start ply;...

  • Page 79: Repairs

    Troubleshooting Fault codes (cont.) Fault Const. weath.- System char- Cause Measures code comp. acteristics on the display Burner Internal fault Start the equip- blocked or in a or "E ment again. Re- fault state RESET" key place the control blocked unit, if the equip- ment will not re- start.
  • Page 80 Troubleshooting Repairs (cont.) 3. Where actual values strongly devi- 4. Subject to result, replace the lead ate from the curve values, discon- or the outside temperature sensor. nect the wires at the sensor and repeat test immediately at the sen- sor.
  • Page 81 Troubleshooting Repairs (cont.) Boiler water temperature sensor: Pull the leads from boiler water temperature sensor A and check the resistance. Cylinder temperature sensor: Pull plug % from the cable harness at the control unit and check the resistance. Flow temperature sensor: Pull plug "X3"...
  • Page 82 Troubleshooting Repairs (cont.) Check the outlet temperature sensor or comfort sensor (gas combi boilers only) 1. Disconnect the leads from outlet temperature sensor A or comfort sensor B. 2. Check the sensor resistance and compare it with the curve.
  • Page 83 Troubleshooting Repairs (cont.) 3. Replace the sensor in case of severe deviation. Note Water can leak when replacing the outlet temperature sensor. Close the cold water shut-off valve. Drain the DHW line and the plate-type heat exchanger (DHW side).
  • Page 84 Troubleshooting Repairs (cont.) Checking the plate-type heat exchanger 1. Shut off and drain the boiler on its heating water and DHW side. 2. Release the side closures and pivot the control unit forward. 3. Pull the leads from comfort sensor 4.
  • Page 85 Troubleshooting Repairs (cont.) Checking the flue gas temperature sensor The flue gas temperature sensor locks out the boiler when the permissible flue gas temperature is exceeded. Reset the interlock after the flue gas system has cooled down by pressing "E RESET". 1.
  • Page 86 Troubleshooting Repairs (cont.) Checking the temperature limiter If the burner control unit cannot be 3. Remove the faulty thermocouple. reset after a fault shutdown, although the boiler water temperature is below 4. Install a new thermocouple. approx. 75 °C, check the following: 5.
  • Page 87 Troubleshooting Repairs (cont.) Checking the fuse 1. Switch OFF the power. 3. Remove cover A. 2. Release the side closures and 4. Check fuse F1 (see connection and pivot the control unit down. wiring diagram). Extension kit for heating circuit with mixer Checking the rotational direction of the mixer motor 1.
  • Page 88 Troubleshooting Repairs (cont.) Then standard control mode 2. Note the rotational direction of the resumes. mixer motor during its self-test. Then set the mixer manually to "Open" again. Note The flow temperature sensor must now capture a higher temperature. If the temperature drops, either the motor is turning in the wrong direc- tion or the mixer set is incorrectly fitted.
  • Page 89 Troubleshooting Repairs (cont.) 2. Change over the rotational direc- tion switch: Switch position I for central heating return from the left (delivered con- dition). Switch position II for central heat- ing return from the right. Checking the Vitotronic 200-H (accessories) The Vitotronic 200-H is connected to the control unit via the LON cable.

  • Page 90: Function Description

    Function description Constant temperature control unit Control and display elements A Pressure gauge D ON indicator (green) B Fault indicator (red) E Reset button C Optolink interface F User interface only in conjunction with the diag- G ON/OFF switch nostic adaptor (accessory) and Vitosoft (accessory) Keys at the user interface: Set boiler water tempera-...

  • Page 91: Weather-Compensated Control Unit

    Function description Constant temperature control unit (cont.) DHW heating with gas fired combi boilers If the flow switch detects that hot water is being extracted (> 3 l/min) then the burner, circulation pump and 3-way valve are switched on or chan- ged over.

  • Page 92: Heating Operation

    Function description Weather-compensated control unit (cont.) C Optolink interface E Reset button only in conjunction with the diag- F User interface nostic adaptor (accessory) and G Rotary selector for standard room Vitosoft (accessory) temperature D ON indicator (green) H ON/OFF switch Keys at the user interface: Central heating time pro- O+F Emissions test function...
  • Page 93 Function description Weather-compensated control unit (cont.) DHW heating with gas fired combi boilers If the flow switch detects that hot water is being extracted (> 3 l/min) then the burner, circulation pump and 3-way valve are switched on or chan- ged over.

  • Page 94: Extensions For External Connections (Accessories)

    Function description Extensions for external connections (accessories) Internal extension H1 The internal extension is integrated Heating circuit pump for a heating into the control unit housing. The fol- circuit without mixer (coding lowing alternative functions can be address "53:2") connected to relay output sK. The Cylinder primary pump (coding function is allocated via coding address "53:3")

  • Page 95: Internal Extension H2

    Function description Extensions for external connections . . . (cont.) Internal extension H2 The internal extension is integrated Heating circuit pump for heating cir- into the control unit housing. The fol- cuit without mixer (coding address lowing alternative functions can be "53:2") connected to relay output sK.

  • Page 96: External Extension H

    Function description Extensions for external connections . . . (cont.) External extension H1 The external extension is connected External blocking to the boiler control unit via the KM (terminals 2 - 3) BUS. The following functions can be External demand controlled or processed simulta- (terminals 1 - 2) neously via the extension:...
  • Page 97 Function description Extensions for external connections . . . (cont.) External extension H2 The external extension is connected External blocking to the boiler control unit via the KM (terminals 2 - 3) BUS. The following functions can be External demand controlled or processed simulta- (terminals 1 - 2) neously via the extension:...

  • Page 98: Control Functions

    Function description Control functions External heating program changeover The "External heating program chan- geover" function is connected via external extension input "aVD". You can select which heating circuits the heating program changeover affects in coding address "91": Heating program changeover Coding No changeover 91:0...
  • Page 99 Function description Control functions (cont.) External blocking The "External blocking" function is In coding address "32" you can select connected via external extension the influence the "Ext. blocking" sig- input "aVD". nal should have on the connected cir- culation pumps. External demand The "External demand"...
  • Page 100 Function description Control functions (cont.) Filling with the control unit switched ON If the system is to be filled with the The burner shuts down if this function control unit switched ON, the diverter is enabled via coding address "2F". valve will be moved to its central posi- The program is automatically disabled tion via code "2F:2"...
  • Page 101 Function description Control functions (cont.) Temperature profile 2: (ZV parquet and flooring technology) code "F1:2" Temperature profile 3: Code "F1:3" Temperature profile 4: Code "F1:4" Temperature profile 5: Code "F1:5"...
  • Page 102 Function description Control functions (cont.) Temperature profile 6: Code "F1:6" Temperature profile 7: Code "F1:15" Raising the reduced room temperature During operation with reduced room The outside temperature limits for the temperature, the reduced set room start and end of the temperature rais- temperature can be automatically ing can be adjusted via coding raised subject to the outside tempera-...
  • Page 103 Function description Control functions (cont.) Example using the settings in the delivered condition A Heating curve for operation with B Heating curve for operation with standard room temperature reduced room temperature Reducing the heat-up time During the transition from operation The value and duration of the addi- with reduced room temperature to tional increase of the set boiler water...

  • Page 104: Remote Control Dip Switches

    Function description Control functions (cont.) Example using the settings in the delivered condition A Start of operation with standard C Set boiler water or flow tempera- room temperature ture in accordance with coding B Set boiler water or flow tempera- address "FA": ture in accordance with the 50 °C + 20 % = 60 °C...

  • Page 105: Electronic Combustion Control Unit

    Function description Remote control DIP switches (cont.) Remote control DIP switch setting The remote control affects the heating circuit without mixer A1 The remote control affects the heating circuit with mixer M2 When connecting a separate room temperature sensor, set DIP switch "3" to "ON".
  • Page 106 Function description Electronic combustion control unit (cont.) Air factor content Air factor content content content content (%) for natur- (%) for natur- (%) for LPG P al gas E al gas LL 1.24 10.9 1.27 10.6 1.30 10.3 1.34 10.0 1.37 1.40 1.44...

  • Page 107: Designs

    Designs Connection and wiring diagram internal connections Main PCB Outlet temperature sensor X... Electrical interface (Gas fired condensing combi § Boiler water temperature sen- boiler) Ionisation electrode Flue gas temperature sensor...
  • Page 108 Designs Connection and wiring diagram internal . . . (cont.) dÖ Stepper motor for diverter a-ÖA Fan motor control valve Flow switch Temperature limiter (Gas fired condensing combi Ignition unit boiler) a-Ö Fan motor a:Ö Modulation coil...

  • Page 109: Connection And Wiring Diagram External Connections

    Designs Connection and wiring diagram external connections Main PCB Power supply unit...
  • Page 110 Designs Connection and wiring diagram external . . . (cont.) Optolink Cylinder temperature sensor Burner control unit (gas fired condensing boiler) Programming unit Coding card Comfort sensor (gas fired con- Connection adaptor densing combi boiler) LON communication module (plug on the cable harness) (Vitotronic 200) sÖ...

  • Page 111: Parts Lists

    Parts lists Parts lists Spare parts information 053 Burner gauze assembly gasket Quote the part and serial no. (see 058 Burner door gasket type plate) and the item number of the 059 Fan required part (as per this parts list). 061 Gas train Obtain standard parts from your local 062 Burner door...
  • Page 112 Parts lists Parts lists (cont.) 054 Ignition electrode block 103 Power cable, stepper motor 055 Ionisation electrode 104 Ionisation cable 105 Earth/ignition module cable har- Parts not shown ness 016 Special grease 202 Spray paint, Vitowhite 028 Plug-in connector retainers (set) 203 Touch-up paint stick, Vitowhite 041 Plug-in connector gaskets (set) 300 Installation instructions...
  • Page 113 Parts lists Parts lists (cont.)
  • Page 114 Parts lists Parts lists (cont.)
  • Page 115 Parts lists Parts lists (cont.)
  • Page 116 Parts lists Parts lists (cont.)

  • Page 117: Commissioning/Service Reports

    Commissioning/service reports Commissioning/service reports Setting and test va- Set value Commis- Service lues sioning Date: Static pressure mbar max. 57.5 mbar Supply pressure (flow pressure) = for natural gas E mbar 17.4-25 mbar = for natural gas LL mbar 17.4-25 mbar = for LPG mbar 42.5-57.5 mbar...

  • Page 118: Specification

    Specification Specification Rated voltage: 230 V~ Rated frequency: 50 Hz Electronic tempera- Rated current: ture limiter setting: 82 °C (fixed) Safety class: Temperature limiter IP X 4 D to setting: 100 °C (fixed) Protection: EN 60529 Line fuse (mains): max. 16 A Permissible ambient temperature during operation: +2 to +45 °C...

  • Page 119: Certificates

    The product characteristics determined as system values for the product Vitodens 200-W as part of EC type testing according to the Efficiency Directive (see specification table), can be utilised to assess the energy con- sumption of heating and ventilation equipment to DIN V 4701 10 which is speci- fied by the EnEV [Germany].

  • Page 120: Manufacturer's Certificate According To The 1St Bimschv [Germany]

    Certificates Manufacturer's certificate according to the 1st BImSchV [Germany] We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm that the pro- duct Vitodens 200-W complies with the NO limits specified by the 1st BImSchV paragraph 7 (2) [Germany]. Allendorf, 01.12.06 Viessmann Werke GmbH&Co KG...

  • Page 121: Keyword Index

    Keyword index Keyword index Acknowledging a fault display Electronic combustion controller ..Extension kit for heating circuit with mixer ......... . Boiler water temperature sensor Extension .
  • Page 122 Keyword index Keyword index (cont.) Ignition Scanning .........
  • Page 124 Applicability Gas fired condensing boiler Gas fired condensing combi boiler Type WB2B Type WB2B 4.8 to 19.0 kW 6.5 to 26.0 kW from serial no. from serial no. 7194 473 7 00001 ... 7194 475 7 00001 ... 6.5 to 26.0 kW 8.8 to 35.0 kW from serial no.

Table of Contents