Viessmann VITODENS 200-W WB2B Service Instructions For Contractors
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Viessmann VITODENS 200-W WB2B Service Instructions For Contractors

80 and 105 kw, wall mounted gas fired condensing boiler, natural gas version
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See also: Start-up and Service Instructions , Instruction and Installation Manual
VIESMANN
Service instructions
for contractors
Vitodens 200-W
Type WB2B, 80 and 105 kW
Wall mounted gas fired condensing boiler
Natural gas version
For applicability, see the last page
VITODENS 200-W
Please keep safe.
5692 761 GB
1 /2008

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Summary of Contents for Viessmann VITODENS 200-W WB2B

  • Page 1 VIESMANN Service instructions for contractors Vitodens 200-W Type WB2B, 80 and 105 kW Wall mounted gas fired condensing boiler Natural gas version For applicability, see the last page VITODENS 200-W Please keep safe. 5692 761 GB 1 /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 Instal- charge static loads. ling non-authorised compo- nents and non-approved modifications/conversion can compromise safety and may invalidate our warranty. For replacements, use only ori- ginal spare parts from Viessmann or those which are approved by Viessmann.

  • 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 ..........59 Service scans Service level overview ................60 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. Opening the boiler ..............2.
  • Page 6 Commissioning, inspection, maintenance Steps - commissioning, inspection and . . . (cont.) Commissioning steps Inspection steps Maintenance steps Page 20. Checking the neutralising system (if installed) 21. Checking the diaphragm expansion vessel and system pressure ..............22.

  • Page 7: Further Details Regarding The Individual Steps

    Commissioning, inspection, maintenance Further details regarding the individual steps Opening the boiler 1. Undo screws A at the bottom and 3. Undo screws and remove cover remove front panel B. panel D. 2. Release the side closures and pivot control unit C down.

  • Page 8: Filling The Heating System

    Only use fill water of potable quality. Soften fill water with a water hardness in excess of the following values, e.g. with a small softening system for heating water (see the Viessmann Vitoset pricelist): Single boiler system and multi-boiler systems 200 kW: 11.2 °dH (2.0 mol/m...

  • Page 9: Venting The Boiler

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Venting the boiler 1. Close shut-off valves A and B. 2. Connect the drain hose to drain valve C. Connect the fill hose to boiler fill & drain valve F (if no longer con- nected).

  • Page 10: 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". 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 96.

  • Page 11: 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 12: 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 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 70. 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: Setting The Maximum Output

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 7. Record the actual value in the ser- vice report. Take the action shown in the follow- ing table. 8. Shut down the boiler, close the gas shut-off valve, remove the pressure gauge and close test nipple A with the screw.

  • Page 16: Checking The Balanced Flue System For Tightness (Annular Gap Check)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Press K and F simultaneously 5. Record the settings for maximum until a value flashes (e.g. "85") and output on the additional type plate "A" appears. In the delivered con- included with the "technical docu- dition, this value represents 100 % mentation".

  • Page 17: Removing The Burner And Checking The Burner Gasket

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) The flue pipe is deemed to be sound if If actual CO values are higher or O the CO concentration in the combus- values are lower, then pressure test tion air is no higher than 0.2 % or the the flue pipe with a static pressure of concentration is at least 20.6 %.
  • Page 18 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Switch OFF the main power supply 5. Pull cables from fan motor C, gas and the ON/OFF switch at the con- train D, ignition unit E, earth tab trol unit. F and ionisation electrode G.

  • Page 19: Checking The Burner Gauze Assembly & Replacing, If Required

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the burner gauze assembly & replacing, if required 1. Remove electrodes A. 4. Remove old burner gauze assem- bly gasket F. 2. Undo three retaining clips B at thermal insulation ring C and 5.

  • Page 20: Checking And Adjusting The Ignition And Ionisation Electrodes

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6. Refit the thermal insulation ring C and electrodes A. Checking and adjusting the ignition and ionisation electro- A Ignition electrodes B Ionisation electrode 1. Check the electrodes for wear and 3.
  • Page 21 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Use a vacuum cleaner to remove residues from the heating surfaces A inside the combustion chamber. 2. If required, spray slightly acidic, chloride-free cleaning agents based on phosphoric acid (e.g. Antox 75 E) onto the heating surfaces A and let them soak 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. Pull off cap A downwards. 2. Undo union nut B and pull off siphon C downwards. 3. Clean siphon C and check that the condensate can freely drain off.

  • Page 23: Flue Gas Emissions Test

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Flue gas emissions test The electronic combustion control unit automatically ensures an optimum com- bustion quality. Only the combustion values need to be checked during commis- sioning and maintenance. For this, check the CO or O content.

  • Page 24: Matching The Control Unit To The Heating System

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6. Adjust the upper output. 7. Check the CO content. Should the actual value deviate by more than Constant temperature control 1% from the above ranges, check unit: the balanced flue system for tight- press: ness, see page 16.
  • Page 25 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System version 1 One heating circuit without mixer A1 (with/without DHW heating) 1 Vitodens 200-W 4 Cylinder primary pump 2 Outside temperature sensor (only 5 DHW cylinder for weather-compensated control 6 Cylinder temperature sensor units) 7 Heating circuit without mixer A1...
  • Page 26 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System version 2 One heating circuit without mixer A1 and one heating circuit with mixer M2, with low loss header (with/without DHW heating) 1 Vitodens 200-W qP Temperature limiter for limiting the 2 Outside temperature sensor max.
  • Page 27 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System version 3 Three or more heating circuits with mixer and low loss header (with/with- out DHW heating) 1 Vitodens 200-W qR Extension kit for one heating cir- 2 Outside temperature sensor cuit with mixer M2 3 Boiler circuit pump qT Vitotronic 200-H for heating cir-...
  • Page 28 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System version 4 Multi-boiler system with several heating circuits with mixer and low loss header (with/without DHW heating) 1 Vitodens 200-W qW Heating circuit with mixer M3 2 Vitotronic 300-K qE Temperature limiter for limiting the 3 Outside temperature sensor max.

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

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Note Codes for multi-boiler system, see Vitotronic 300-K installation and ser- vice instructions 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...
  • 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 and 3: 00 :2 System version 1 and 3: 1 heating circuit without 1 heating circuit without mixer A1, without DHW mixer A1, with DHW heat- heating 00 :3...
  • 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 1 (cont.) Coding in the delivered condition Possible change Slope A1/M2 d3:14 Heating curve slope = d3:2 Heating curve slope ad- 1.4 (only for weather- justable from 0.2 to 3.5 compensated control d3:35 (see page 29) units) Level A1/M2 d4:0 Heating curve level = 0 d4: 13...
  • Page 40 Coding Code 2 (cont.) 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 Note Heating systems with one heating circuit without mixer and one heating circuit with mixer: Initially, the possible coding addresses "A0"...
  • Page 41 Coding Code 2 (cont.) Coding in the delivered condition Possible change 01:1 Single boiler system 01:2 Multi-boiler system with (only for constant tem- Vitotronic 300-K perature control units) Boiler/burner 06:... Maximum limit of the 06:20 Maximum limit of the boil- boiler water tempera- er water temperature ture, defaulted by the...
  • Page 42 Coding Code 2 (cont.) Coding in the delivered condition Possible change 11: 9 No access to the coding 11:9 Access open to the cod- addresses for the para- ing addresses for the meters of the combus- parameters of the com- tion controller bustion controller 21:0...
  • Page 43 Coding Code 2 (cont.) Coding in the delivered condition Possible change 32:0 Influence of the signal 32:1 Influence of the signal "External blocking" on "External blocking" on circulation pumps: All 32:15 circulation pumps: see pumps in control func- the following table tion Note Generally, the burner will be blocked when signal "External blocking"...
  • Page 44 Coding Code 2 (cont.) Value Circulation Heating cir- Heating cir- Cylinder primary pump address pump in cuit pump cuit pump 34: ... the heating Heating cir- Heating cir- circuit cuit without cuit with connection mixer mixer Control Control Control funct. Control funct. funct.
  • Page 45 Coding Code 2 (cont.) Value Circulation Heating cir- Heating cir- Cylinder primary pump address pump in cuit pump cuit pump 34: ... the heating Heating cir- Heating cir- circuit cuit without cuit with connection mixer mixer Control funct. Control funct. Control funct.
  • Page 46 Coding Code 2 (cont.) Coding in the delivered condition Possible change 56:0 Set DHW temperature 56:1 Set DHW temperature adjustable from 10 to adjustable from 10 to 60 °C above 60 °C Note Maximum value subject to boiler coding card. Observe the max.
  • Page 47 Coding Code 2 (cont.) Coding in the delivered condition Possible change 67:40 With the Vitosolic: Third 67:0 Without third set DHW set DHW temperature = temperature 40 °C 67:1 Third set DHW tempera- ture adjustable from 1 to 67:60 60 °C (subject to the set- ting of coding address "56") 6F:...
  • Page 48 Coding Code 2 (cont.) Coding in the delivered condition Possible change 79:1 With LON communica- 79:0 Control unit is not fault tion module: Control manager unit is fault manager (only for weather-com- pensated control units) 7b:1 With LON communica- 7b:0 Do not transmit time tion module: The control unit transmits the time...
  • 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 Control unit transmits sensor connected to the outside temperature control unit is utilised internally (only for weather-compensated control units) 98:1 Viessmann system 98:2 System number adjusta- number (in conjunction ble from 2 to 5 with monitoring several 98:5 systems via...
  • Page 51 Coding Code 2 (cont.) Coding in the delivered condition Possible change A2:2 Cylinder priority applic- A2:0 Without cylinder priority able to heating circuit applicable to heating cir- pump and mixer cuit pump and mixer A2:1 Cylinder priority applies only to the mixers. The mixer is closed whilst the cylinder is being heated;...
  • Page 52 Coding Code 2 (cont.) Parameter Heating circuit pump Address A3:... "ON" at "OFF" at 1 °C 3 °C 14 °C 16 °C 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)
  • 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 E9:45 Speed of the external E9:0 Speed adjustable from 0 variable speed heating to 100 % of the maximum circuit pump 45 % of the E9:100 speed during operation max.
  • Page 58 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 circula- ing mode, the circulation tion pump in the heating pump in the heating cir- circuit connection set is cuit connection set is per- permanently ON (only...

  • Page 59: 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 60: 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 61: 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 62 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 Software Software Software Software Software version version version version version Program- Mixer Solar External...
  • Page 63 Service scans Temperatures, boiler coding card and brief . . . (cont.) Brief Display screen scan Circulation pump Heating circuit pump to connection ex- in the heating cir- tension cuit connection set Variable Software Variable Software Variable Software speed version speed version speed...

  • Page 64: 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 65: Scanning Operating Conditions And Sensors

    Service scans Checking outputs (relay test) (cont.) Display screen Explanation Mixer OPEN Mixer extension Mixer CLOSE Mixer extension Output int. ON Output sK internal extension Heating circuit pump External extension H1 A1 ON Cylinder pump ON External extension H1 DHW circ. pump ON External extension H1 Central fault ON External extension H1...
  • Page 66 Service scans Scanning operating conditions and sensors (cont.) The following operating conditions can be scanned, subject to the actual system equipment level for heating circuit A1 and heating circuit with mixer M2: Display screen Explanation Participant no. Programmed subscriber no. in the LON system Holiday program If a holiday program has been entered Departure date...
  • Page 67 Service scans Scanning operating conditions and sensors (cont.) Constant temperature control unit Press the following keys: 2. a/b for the required operating condition. 1. c press. 3. d Scanning is completed. The following operating conditions can be scanned, subject to the actual system equipment level: Display screen Explanation...

  • Page 68: 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 69: 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 70: 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 71 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 82). sensor (low broken loss header) Burner Boiler water Check the boiler...
  • Page 72 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Control mode Collector Check the sensor temperature at the Vitosolic. sensor shorted out; connects to the Vitosolic at S1 Control mode Cylinder Check the sensor temperature at the Vitosolic.
  • Page 73 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Control mode Temperature Check the sensor sensor lead at the Vitosolic. broken; con- nects to the Vitosolic at Control mode Solar control Check the solar unit fault;...
  • Page 74 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Control mode Communica- Check connec- as per deliv- tion fault; tions and replace ered condition program- the programming ming unit (in- unit if required. ternal) Regulates as Internal fault...
  • Page 75 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Control mode Incorrect Replace the LON LON com- communication munication module. module Control mode Communica- Check connec- tion fault, tions and coding solar control address "54".
  • Page 76 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Control mode Communica- Replace the LON tion fault, communication LON com- module. munication module Control mode Room tem- Check the room without room perature temperature sen- influence...
  • Page 77 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Burner Internal fault Check the ionisa- blocked tion electrode and cables. Check the flue gas system for tightness. Press "E RESET". Burner System Top up with water.
  • Page 78 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Burner in a Heat draw- Initiate a heat fault state off repeat- draw-off. Switch edly too low the boiler OFF during cali- and ON again. bration Press "E RESET".
  • Page 79 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Burner in a No flame sig- Check the ionisa- fault state nal. tion electrode and cable, measure the ionisation cur- rent, check the gas pressure, check the gas train, ignition,...
  • Page 80 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Burner in a Gas train Check the gas fault state faulty or train. Check the faulty modu- flue gas system. lation valve Press "E control;...

  • Page 81: Repairs

    Troubleshooting Repairs Checking the outside temperature sensor (weather-compen- sated control unit) 1. Pull plug "X3" from the control unit. 2. Test the resistance of the outside temperature sensor across term- inals "X3.1" and "X3.2" on the dis- connected plug and compare it with the curve.
  • Page 82 Troubleshooting Repairs (cont.) Checking the boiler water temperature sensor, the cylinder temperature sensor or the flow temperature sensor for a low loss header...
  • Page 83 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 har- ness at the control unit and check the resistance. Flow temperature sensor: Pull plug "X3"...
  • Page 84 Troubleshooting Repairs (cont.) 1. Pull the leads from temperature 4. Install a new temperature limiter. limiter A. 5. After commissioning, press reset 2. Check the continuity of the tem- button "E RESET" at the control perature limiter with a multimeter. unit.
  • Page 85 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 86 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 87 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.

  • Page 88: 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 89: Weather-Compensated Control Unit

    Function description Constant temperature control unit (cont.) DHW heating The burner and the cylinder primary In the delivered condition, the set boil- pump are started if the cylinder tem- er water temperature is 20 K higher perature lies 2.5 K below the set cylin- than the set DHW temperature (adjus- der temperature.

  • Page 90: Heating Operation

    Function description Weather-compensated control unit (cont.) Keys at the user interface: Central heating time pro- O+F Emissions test function gram Standby mode DHW heating and DHW cir- DHW only culation pump time pro- Heating and DHW grams (if connected to the Party mode control unit) Economy mode...

  • Page 91: Extensions For External Connections (Accessories)

    Function description Weather-compensated control unit (cont.) Boosting DHW heating The booster heating function is acti- The set temperature value for the vated if a switching period is selected heating boost is adjustable in coding for the fourth time phase. address "58". Extensions for external connections (accessories) Internal extension H1...

  • Page 92: Internal Extension H2

    Function description Extensions for external connections . . . (cont.) 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 93: External Extension H

    Function description Extensions for external connections . . . (cont.) 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. The Cylinder primary pump (coding function is allocated via coding address "53:3")
  • Page 94 Function description Extensions for external connections . . . (cont.) fÖ Power supply aVF External set value 0 to 10 V gÖ Central fault message aVG KM BUS External blocking (terminals 2 - 3) External demand (terminals 1 - 2) External heating program changeover (terminals 1 - 2) (only for weather-compen-...

  • Page 95: Control Functions

    Function description Extensions for external connections . . . (cont.) 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: External heating program...
  • Page 96 Function description Control functions (cont.) The duration of the heating program changeover can be adjusted in coding address "F2": Heating program changeover Coding No heating program changeover F2:0 Duration of the heating program changeover 1 to 12 hours F2:1 to F2:12 The operating mode changeover remains active for as long as the con-...
  • Page 97 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, code "2F:2" is enabled via coding address "2F". starts the pump.
  • Page 98 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 99 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 100 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 101: 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 102: 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 103 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 104: Designs

    Designs Connection and wiring diagram internal connections Main PCB Temperature limiter X... Electrical interfaces Ignition unit § Boiler water temperature a-Ö Fan motor sensor a-ÖA Fan motor control Ionisation electrode Water pressure sensor Flue gas temperature sensor a:Ö (A) Modulation coil...

  • Page 105: Connection And Wiring Diagram External Connections

    Designs Connection and wiring diagram external connections Main PCB Power supply unit...
  • Page 106 Designs Connection and wiring diagram external . . . (cont.) Optolink Flow temperature sensor, low Burner control unit loss header Programming unit Cylinder temperature sensor Coding card (plug on the cable harness) Connection adaptor sÖ Boiler circuit pump LON communication module or Flow switch cascade communication mod- Gas solenoid valve...

  • Page 107: Parts Lists

    Parts lists Parts lists Spare parts information 061 Gasket, ionisation electrode (5 Quote the part and serial no. (see pce.) type plate) and the item number of the 062 Gasket, ignition electrode (5 required part (as per this parts list). pce.) Obtain standard parts from your local 063 Gas nozzle...
  • Page 108 Parts lists Parts lists (cont.) 301 Service instructions 303 Operating instructions for 302 Operating instructions for con- weather-compensated mode stant temperature mode A Type plate...
  • Page 109 Parts lists Parts lists (cont.)
  • Page 110 Parts lists Parts lists (cont.)
  • Page 111 Parts lists Parts lists (cont.)

  • Page 112: 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 15-25 mbar = for natural gas LL mbar 15-25 mbar Tick gas type Carbon dioxide con- tent CO at lower output...

  • Page 113: Specification

    Specification Specification Rated voltage: 230 V~ Permissible ambient temperature Rated frequency: 50 Hz during operation: 0 to +40 °C Rated current: 6.0 A during storage Safety class: and transport: -20 to +65 °C IP X 4 D to Protection: EN 60529 Electronic tempera- ture limiter setting: 82 °C (fixed)

  • Page 114: Certificates

    Certificates Declaration of conformity Declaration of conformity for the Vitodens 200-W We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm as sole responsible body that the product Vitodens 200-W complies with the following standards: EN 15 417 EN 60 335 EN 50 165...

  • Page 115: 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, 2 January 2008 Viessmann Werke GmbH&Co KG...

  • Page 116: 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 117 Keyword index Keyword index (cont.) Ignition Scanning .........
  • Page 120 30 to 80 kW 30 to 105 kW from serial no. from serial no. 7194 488 8 00001 7194 489 8 00001 Viessmann Werke GmbH&Co KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB...

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