Viessmann Vitodens 200-W Installation And Service Instructions For Contractors
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Viessmann Vitodens 200-W Installation And Service Instructions For Contractors

Wall mounted gas condensing boiler natural gas and lpg version
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VIESMANN
Installation and service instructions
for contractors
Vitodens 200-W
Type B2HA, B2KA, 3.2 to 35 kW
Wall mounted gas condensing boiler
Natural gas and LPG version
For applicability, see the last page
VITODENS 200-W
Please keep safe.
5772 980 GB
4/2013

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  • Page 1 VIESMANN Installation and service instructions for contractors Vitodens 200-W Type B2HA, B2KA, 3.2 to 35 kW Wall mounted gas condensing boiler Natural gas and LPG version For applicability, see the last page VITODENS 200-W Please keep safe. 5772 980 GB...
  • Page 2 Safety instructions Safety instructions Please follow these safety instructions closely to If you smell gas prevent accidents and material losses. Danger Safety instructions explained Escaping gas can lead to explosions which may result in serious injury. Danger Do not smoke. Prevent naked flames and ■...
  • Page 3 Installing non-authorised components and making non-approved modifications or con- versions can compromise safety and may inva- lidate our warranty. For replacements, use only original spare parts supplied or approved by Viessmann.

  • Page 4: Table Of Contents

    Index Index 1. Preparing for installation Intended use ..................Product information ................Vitodens 200-W, type B2HA, B2KA ............ ■ Preparing for installation ................ Cold water installation ................ ■ Shock arrestor ..................■ 2. Installation sequence Mounting the boiler and making connections ........10 Fitting the connections ................
  • Page 5 Index Index 7. Troubleshooting Fault display ................... 74 Weather-compensated control unit ............. 74 ■ Constant temperature control unit ............74 ■ Fault codes .................... 75 Repair ....................83 Checking the outside temperature sensor .......... 83 ■ Checking the boiler temperature sensor, cylinder temperature sen- ■...
  • Page 6 Index Index (cont.) Commissioning/service ........................115 reports 12. Specification ........................116 13. Certificates Declaration of conformity ............... 118 Manufacturer's certificate according to the 1st BImSchV [Germany] ..118 14. Keyword index ........................119...
  • Page 7 Product information Vitodens 200-W, type B2HA, B2KA Preset for operation with natural gas E and In principle the Vitodens 200-W may only be delivered natural gas LL. to countries listed on the type plate. For deliveries to For conversion to LPG P (without conversion kit), see alternative countries, approved contractors must "Commissioning, inspection, maintenance".
  • Page 8 Preparing for installation Preparing for installation Please note To prevent appliance damage, connect all pipework free of load and torque stress. A B C D EF Fig. 1 Heating flow Rp Heating return Rp ¾ ¾ DHW Rp (gas condensing combi boiler) Filling/draining ½...
  • Page 9 Preparing for installation Preparing for installation (cont.) 4. Prepare the electrical connections. ■ Power cable: NYM-J 3 x 1.5 mm , max. fuse rat- ing 16 A, 230 V, 50 Hz. Accessory cables: NYM with the required number ■ of cores for the external connections. All cables should protrude 1200 mm from the wall ■...

  • Page 10: Mounting The Boiler And Making Connections

    Flue gas connection Note Connecting the balanced flue The labels "System certificate" and "Skoberne GmbH Flue system installation instructions flue system" enclosed with the technical documenta- tion may only be used in conjunction with the Viessmann flue system made by Skoberne.

  • Page 11: Condensate Drain Connection

    Installation sequence Flue gas connection (cont.) Do not carry out commissioning until the following Danger conditions are met: Leaking or blocked flue systems or an insuffi- Free passage through the flue gas pipes. cient supply of combustion air cause life threat- ■...

  • Page 12: Opening The Control Unit Enclosure

    Installation sequence Opening the control unit enclosure Please note Electronic assemblies can be damaged by elec- trostatic discharge. Prior to commencing any work, touch earthed objects, such as heating or water pipes to dis- charge static loads. Fig. 7...

  • Page 13: Electrical Terminals

    Installation sequence Electrical terminals Fig. 8 Jumper Connections on 230 V~ plug Type B2HA: Power supply Cylinder temperature sensor (part of the DHW fÖ Power supply for accessories cylinder connection set) ■ External demand/blocking Type B2KA: ■ Comfort sensor (connected at the factory) Room temperature control unit (remove jumper ■...

  • Page 14: Outside Temperature Sensor

    Installation sequence Electrical terminals (cont.) Outside temperature sensor For fitting the wireless outside temperature sensor Not immediately below balconies or gutters ■ (wireless accessory): Never render over ■ Wireless base station installation and service Outside temperature sensor connection instructions 2-core lead, length max. 35 m with a cross-section of Fitting location for outside temperature sensor 1.5 mm North or north-western wall, 2 to 2.5 m above ground...

  • Page 15: External Blocking Via Switching Contact

    Installation sequence Electrical terminals (cont.) ≙ No default set boiler water temperature – ≙ Set value 10 °C ≙ 10 V Set value 100 °C [{{] 0-10V fÖ Ö L ? N 230 V~ 0-10 V Fig. 9 External blocking via switching contact Connection options: Please note Plug...

  • Page 16: Power Supply For Accessories At Plug Lh (230 V~)

    Installation sequence Electrical terminals (cont.) Power supply for accessories at plug (230 V~) Where the boiler is installed in a wet area, the power If the total system current exceeds 6 A, connect one or supply for accessories must not be connected at the more extensions via an ON/OFF switch directly to the control unit.

  • Page 17: Power Supply Fö

    Installation sequence Electrical terminals (cont.) Power supply fÖ Danger Remove any existing individual cores. ■ Incorrectly executed electrical installations can Install an isolator in the power cable which simulta- ■ result in injuries from electrical current and in neously isolates all non-earthed conductors from the appliance damage.

  • Page 18: Closing The Control Unit Enclosure And Inserting The Programming Unit

    Installation sequence Electrical terminals (cont.) Cable grommet for power cable Remove the existing cable grommet when using cables with a larger cross-section (up to 14 mm). Secure the cable with fitted cable grommet (white). Type B2HA: Plugs for connecting the cylinder temperature sen- sor to the cable harness Type B2KA: Plug for comfort sensor (connected at the factory)

  • Page 19: Fitting The Front Panel

    Installation sequence Fitting the front panel Fig. 14 Note Always fit the contact guard and locking screws before starting the appliance.

  • Page 20: Steps - Commissioning, Inspection And Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • 1. Checking the power supply • 2. Filling the heating system....................21 • 3. Switching on the power supply and the ON/OFF switch •...

  • Page 21: Checking The Power Supply

    Commissioning, inspection, maintenance Checking the power supply Filling the heating system Fill water Please note Unsuitable fill water increases the level of deposits and corrosion and may lead to boiler damage. Flush the heating system thoroughly before ■ filling. Only use fill water of potable quality. ■...

  • Page 22: Switching On The Power Supply And The On/Off Switch

    Commissioning, inspection, maintenance Filling the heating system (cont.) Activating the filling function Weather-compensated control unit Constant temperature control unit Service menu Service menu 1. Press OK and simultaneously for approx. 4 s. 1. Press OK and simultaneously for approx. 4 s. å...

  • Page 23: Venting The Boiler

    Commissioning, inspection, maintenance Venting the boiler Fig. 17 1. Close the shut-off valves on the heating water side. 4. First close valve If required, remove the contact guard. 5. When the required operating pressure has been 2. Push the drain hose (supplied inside the appliance) built, close valve .

  • Page 24: Filling The Siphon With Water

    Commissioning, inspection, maintenance Venting the heating system (cont.) Activating the venting function Weather-compensated control unit Constant temperature control unit Service menu Service menu 1. Press OK and simultaneously for approx. 4 s. 1. Press OK and simultaneously for approx. 4 s. å...

  • Page 25: Checking The Gas Type

    Commissioning, inspection, maintenance Checking the gas type The boiler is equipped with an electronic combustion 1. Determine the gas type and Wobbe index by asking controller that adjusts the burner for optimum combus- your local gas supply utility or LPG supplier. tion in accordance with the prevailing gas quality.

  • Page 26: Function Sequence And Possible Faults

    Commissioning, inspection, maintenance Checking the static and supply pressure (cont.) 1. Close the gas shut-off valve. 7. Record the actual value in the report on page 115. Take action as shown in the following table. 2. Undo screw inside test nipple "IN" on the gas train but do not remove it, and connect the pressure 8.

  • Page 27: Setting Max. Heating Output

    Commissioning, inspection, maintenance Function sequence and possible faults (cont.) Ignition Fault EE Check ignition module (control voltage 230 V across plugs "X2.1" and "X2.2"). Check the gas supply. Gas train opens Fault EE Check the gas train (con- trol voltage 230 V) and gas supply pressure Ionisation current builds Fault EE...

  • Page 28: Tightness Test, Balanced Flue System (Annular Gap Check)

    Commissioning, inspection, maintenance Setting max. heating output (cont.) Weather-compensated control unit Constant temperature control unit Service menu Service menu 1. Press OK and simultaneously for approx. 4 s. 1. Press OK and simultaneously for approx. 4 s. å å 2. "Service functions" 2.

  • Page 29: Burner Removal

    Commissioning, inspection, maintenance Burner removal Fig. 23 1. Switch OFF the power supply and the ON/OFF 4. Undo gas supply pipe fitting switch at the control unit. 5. Undo four screws and remove the burner. 2. Close the gas shut-off valve and safeguard against reopening.

  • Page 30: Checking The Burner Gasket And Burner Gauze Assembly

    Commissioning, inspection, maintenance Checking the burner gasket and burner gauze assembly Check burner gasket and burner gauze assembly for possible damage and replace if required. Fig. 24 1. Remove electrodes 5. Fit thermal insulation ring 2. Undo two retaining clips on thermal insulation 6.

  • Page 31: Checking And Adjusting The Ignition And Ionisation Electrodes

    Commissioning, inspection, maintenance Checking and adjusting the ignition and ionisation electrodes ±1 Fig. 25 Ignition electrodes Ionisation electrode 1. Check the electrodes for wear and contamination. 3. Check the electrode gaps. If the gaps are not as specified or the electrodes are damaged, replace 2.

  • Page 32: Installing The Burner

    Commissioning, inspection, maintenance Checking the condensate drain and cleaning the… (cont.) Fig. 27 1. Check at the siphon that the condensate can drain 4. Fill siphon with water and fit in place. Put on freely. retaining clip 2. Remove retaining clip and siphon Note Never twist the supply hose during assembly.

  • Page 33: Checking The Neutralising System (If Installed)

    Commissioning, inspection, maintenance Installing the burner (cont.) 4. Connect cables from fan motor , gas train ionisation electrode , ignition unit and earth Checking the neutralising system (if installed) Checking the flow limiter (only for gas condensing combi boilers) 1. Switch OFF the control unit, shut off the cold water line and drain the DHW side of the boiler.

  • Page 34: Checking Electrical Terminals For Tightness 28. Checking All Gas Equipment For Tightness At Operating Pressure

    Commissioning, inspection, maintenance Checking electrical terminals for tightness Checking all gas equipment for tightness at operating pressure Danger Note Escaping gas leads to a risk of explosion. Only use suitable and approved leak detection agents Check all gas equipment for tightness. (EN 14291) and devices for the tightness test.

  • Page 35: Checking The External Lpg Safety Valve (If Installed) 32. Matching The Control Unit To The Heating System

    Commissioning, inspection, maintenance Checking the combustion quality (cont.) Select higher/lower heating output Weather-compensated control unit Constant temperature control unit Service menu Service menu 1. Press OK and simultaneously for approx. 4 s. 1. Press OK and simultaneously for approx. 4 s. å...
  • Page 36 (cont.) System version 1 One heating circuit without mixer A1 (with/without DHW heating) Fig. 31 ID: 4605145_1001_01 Vitodens 200-W DHW cylinder Outside temperature sensor (only for weather- Cylinder temperature sensor compensated control units) Heating circuit without mixer A1 (heating circuit 1)
  • Page 37 Commissioning, inspection, maintenance Matching the control unit to the heating system (cont.) Fig. 32 ID: 4605148_1001_01 Vitodens 200-W Temperature limiter to restrict the maximum tem- Outside temperature sensor perature of underfloor heating systems Flow temperature sensor M2 DHW cylinder Cylinder temperature sensor...
  • Page 38 M3 (with extension kit) and low loss header (with/without DHW heating) Fig. 34 ID: 4605149_1001_01 Vitodens 200-W Extension kit for one heating circuit with mixer M2 Outside temperature sensor Heating circuit with mixer M3 (heating circuit 3)

  • Page 39: Adjusting The Heating Curves (Only For Weather-Compensated Control Units)

    Commissioning, inspection, maintenance Matching the control unit to the heating system (cont.) Function/system components Code Group System without DHW circulation pump: Heating circuit pump A1 connected at internal extension H1 or H2 53:2 "General" System with DHW circulation pump: Heating circuit pump A1 connection at extension AM1, terminal A1 —...

  • Page 40: Connecting The Control Unit To The Lon System - Only For Weather-Compensated Control Units

    Commissioning, inspection, maintenance Adjusting the heating curves (only for… (cont.) Standard set room temperature Changing the reduced set room temperature Operating instructions Changing the slope and level Individually adjustable for each heating circuit. Fig. 36 Example 1: Adjustment of the standard set room temperature from 20 to 26 °C Boiler water temperature or flow temperature in °C Outside temperature in °C...
  • Page 41 Control unit receives outside — temperature, temperature, temperature, Set code "97:2". Set code "97:1". Set code "97:1". Viessmann system number, Viessmann system number, Viessmann system number, — Code "98:1". Code "98:1". Code "98:1". LON subscriber fault monitor- LON subscriber fault moni- LON subscriber fault moni- —...

  • Page 42: Calling Up And Resetting Service Message

    Commissioning, inspection, maintenance Calling up and resetting service message The red fault indicator flashes when the limits set in coding addresses "21" and "23" have been reached. (Coding address in group "Boiler" (weather-compen- sated control unit) or group 2 (constant temperature control unit).) Weather-compensated control unit Constant temperature control unit...

  • Page 43: Calling Up Coding Level 1

    Code 1 Calling up coding level 1 Calling up coding level 1 On weather-compensated control units, codes are ■ displayed as plain text. Codes that have not been assigned due to the heat- ■ ing system equipment level or the setting of other codes are not displayed.

  • Page 44: Coding

    Code 1 "General"/Group 1 (cont.) Coding Coding in the delivered condition Possible change System design 00:1 System version 1: 00:2 For system schemes, see the follow- One heating circuit without mixer ing table: A1 (heating circuit 1), without DHW 00:10 heating Value ad- System ver-...

  • Page 45: Boiler"/Group 2

    Code 1 "General"/Group 1 (cont.) Coding in the delivered condition Possible change Subscriber no. 77:1 LON subscriber number (only for 77:2 LON subscriber number, adjustable weather-compensated control from 1 to 99: units) 77:99 1 - 4 = Boiler 5 = Cascade 10 - 97 = Vitotronic 200-H 98 = Vitogate 99 = Vitocom...

  • Page 46: Dhw"/Group 3

    Code 1 "Boiler"/Group 2 (cont.) Coding in the delivered condition Possible change Service interval in months 23:0 No burner service interval 23:1 Interval adjustable from 1 to 24 months 23:24 Service status 24:0 No "Service" indication on the dis- 24:1 "Service"...

  • Page 47: Heating Circuit

    Code 1 "Solar"/Group 4 (cont.) Coding Coding in the delivered condition Possible change Speed control solar circuit pump 02:0 Solar circuit pump is not speed- 02:1 Solar circuit pump is speed-control- controlled. led with wave packet control. 02:2 Solar circuit pump is speed-control- led with PWM control.

  • Page 48: Coding

    Code 1 "Heating circuit ..."/Group 5 (cont.) Coding Coding in the delivered condition Possible change Economy function outside temperature A5:5 With heating circuit pump logic A5:0 Without heating circuit pump logic function (economy control): heat- function ing circuit pump "OFF" when the A5:1 With heating circuit pump logic func- outside temperature (AT) is 1 K...
  • Page 49 Code 1 "Heating circuit ..."/Group 5 (cont.) Coding in the delivered condition Possible change Pump idle time, transition reduced mode A9:7 With pump idle time: Heating cir- A9:0 Without pump idle time cuit pump "OFF" if the set value is A9:1 With pump idle time, adjustable from altered through a change in oper-...
  • Page 50 Code 1 "Heating circuit ..."/Group 5 (cont.) Coding in the delivered condition Possible change Heating program changeover d5:0 The external operating program d5:1 The external operating program changeover switches the operating changeover switches to "Constant program to "Constant operation operation with standard room tem- with reduced room temperature"...
  • Page 51 Code 1 "Heating circuit ..."/Group 5 (cont.) Coding in the delivered condition Possible change Pump control in "Standby mode" F7:25 In "Standby mode", the internal cir- F7:0 In "Standby mode", the internal cir- culation pump is permanently on culation pump is permanently off (only for constant temperature con- F7:1 In "Standby mode", the internal cir-...

  • Page 52: Calling Up Coding Level 2

    Code 2 Calling up coding level 2 Calling up coding level 2 All codes are accessible in coding level 2. ■ Codes that have not been assigned due to the heat- ■ ing system equipment level or the setting of other codes are not displayed.

  • Page 53: Coding

    Code 2 "General"/Group 1 (cont.) Coding Coding in the delivered condition Possible change 00:1 System version 1: 00:2 For system schemes, see the follow- One heating circuit without mixer ing table: A1 (heating circuit 1), without DHW 00:10 heating Value ad- System ver- Description dress 00: ...
  • Page 54 Code 2 "General"/Group 1 (cont.) Coding in the delivered condition Possible change 36:0 Function output at extension 36:1 Function output : Feed pump EA1: Fault message 36:2 Function output : DHW circula- tion pump 3A:0 Function input DE1 at extension 3A:1 Function input DE1: Heating pro- EA1: Not assigned...
  • Page 55 Code 2 "General"/Group 1 (cont.) Coding in the delivered condition Possible change Flow temperature setting: Coding address 9b. Internal circulation pump function: Coding address 3F 3C:3 Function input DE3: External block- ing. Internal circulation pump function: Coding address 3E 3C:4 Function input DE3: External block- ing with fault message input Internal circulation pump function:...
  • Page 56 Code 2 "General"/Group 1 (cont.) Coding in the delivered condition Possible change 53:3 Function terminal : External circu- lation pump for cylinder heating 54:0 Without solar thermal system 54:1 With Vitosolic 100 (automatic recog- nition) 54:2 With Vitosolic 200 (automatic recog- nition) 54:3 No function...

  • Page 57: Boiler"/Group 2

    The control unit transmits the out- unit is utilised internally (only for side temperature to the weather-compensated control Vitotronic 200-H units) 98:1 Viessmann system number (in 98:1 System number adjustable from 1 to conjunction with monitoring several systems via Vitocom 300) 98:5 99:0...

  • Page 58: Coding

    Code 2 "Boiler"/Group 2 (cont.) Coding Coding in the delivered condition Possible change 01:1 Never adjust (only for constant temperature control units) 04:1 Minimum burner pause time sub- 04:0 Minimum burner pause time set per- ject to the boiler load (specified by manently (specified by boiler coding boiler coding card) card)

  • Page 59: Coding

    Code 2 "DHW"/Group 3 (cont.) Coding Coding in the delivered condition Possible change 56:0 Set DHW temperature adjustable 56:1 Set DHW temperature adjustable from 10 to 60 °C from 10 to above 60 °C Note Max. value subject to boiler coding card.

  • Page 60: Solar"/Group 4

    Code 2 "DHW"/Group 3 (cont.) Coding in the delivered condition Possible change 6C:100 6d:0 Draw-off function disabled (only for 6d:1 Draw-off function with a runtime of 1 gas condensing combi boilers) to 15 min 6d:15 6F:... Max. heating output for DHW heat- 6F:0 Max.
  • Page 61 Frost protection function for solar 0b:1 Frost protection function for solar cir- circuit switched off. cuit switched on (not required with Viessmann heat transfer medium). 0C:1 Delta T monitoring switched on. 0C:0 Delta T monitoring switched off. No flow rate captured in the solar circuit, or flow rate too low.

  • Page 62: Heating Circuit

    Code 2 "Solar"/Group 4 (cont.) Coding in the delivered condition Possible change 20:2 Differential temperature control 2. 20:3 Differential temperature control 2 and auxiliary function. 20:4 Differential temperature control 2 for central heating backup. 20:5 Thermostat function. 20:6 Thermostat function and auxiliary function.

  • Page 63: Coding

    Code 2 "Heating circuit ..."/Group 5 (cont.) Coding Coding in the delivered condition Possible change A0:0 Without remote control A0:1 With the Vitotrol 200A/200 RF (auto- matic recognition) A0:2 With the Vitotrol 300A/300 RF or Vitocomfort 200 (automatic recogni- tion) A1:0 All possible settings at the remote A1:1...
  • Page 64 Code 2 "Heating circuit ..."/Group 5 (cont.) Parameter address A5:... With heating circuit pump logic function: Heating circuit pump "OFF" + 5 K > + 4 K > + 3 K > + 2 K > + 1 K > >...
  • Page 65 Code 2 "Heating circuit ..."/Group 5 (cont.) Coding in the delivered condition Possible change b2:8 With remote control and for the b2:0 Without room influence heating circuit, operation with room b2:1 Room influence factor adjustable temperature hook-up must be pro- from 1 to 64.
  • Page 66 Code 2 "Heating circuit ..."/Group 5 (cont.) Coding in the delivered condition Possible change d7:0 Heating circuit pump stays in con- d7:1 Heating circuit pump stops at signal trol mode at signal "External de- "External demand" (subject to cod- mand" ing addresses "3A", "3b"...
  • Page 67 Code 2 "Heating circuit ..."/Group 5 (cont.) Coding in the delivered condition Possible change F1:0 Screed drying disabled (only for F1:1 Screed drying adjustable in accord- weather-compensated control ance with 6 selectable temperature/ units). F1:6 time profiles (see page 98) F1:15 Constant flow temperature 20 °C F2:8...

  • Page 68: Service Level

    Diagnosis and service scans Service level Weather-compensated control unit Constant temperature control unit Calling up the service level Service menu: Service menu: 1. Press OK and simultaneously for approx. 4 s. 1. Press OK and simultaneously for approx. 4 s. å...

  • Page 69: Brief Scan

    Diagnosis and service scans Diagnosis (cont.) Weather-compensated control unit Constant temperature control unit Calling up operating data Service menu: Service menu: 1. Press OK and simultaneously for approx. 4 s. 1. Press OK and simultaneously for approx. 4 s. å å...
  • Page 70 Diagnosis and service scans Diagnosis (cont.) Line (brief Field scan) Internal details for calibration Software ver- Software ver- sion, exten- sion, extension sion AM1 Switching state of flow switch (only for combi boil- ers) 0: OFF 1: Active Subnet address/system num- Node address Number of LON subscribers SBVT config-...
  • Page 71 Diagnosis and service scans Diagnosis (cont.) For explanations of individual scans, see the following table: Brief scan Display System scheme Software version Software version Control unit Programming unit Adjusted outside temperature Set boiler water temperature Common demand temperature Set cylinder temperature Number of KM BUS subscribers Number of LON subscribers SNVT configu-...

  • Page 72: Checking Outputs (Actuator Test)

    Diagnosis and service scans Diagnosis (cont.) Brief scan Display Solar control module SM1 Stagnation time of the solar thermal system in h Night circulation, solar thermal system (number) Monitoring of differential temperature, solar thermal system Reheating sup- Output 22 switch- pression ing state 0: Disabled...
  • Page 73 Diagnosis and service scans Checking outputs (actuator test) (cont.) Constant temperature control unit 1. Press OK and simultaneously for approx. 4 s. å " " flashes on the display. Ü 2. Select " " with and confirm with OK. Ú 3.

  • Page 74: Troubleshooting Fault Display

    Troubleshooting Fault display Weather-compensated control unit In the event of a fault, red fault indicator flashes. Calling up acknowledged faults " " flashes on the display and "Fault" is shown. Select "Fault" in the standard menu. The current faults will be displayed in a list. Calling up fault codes from the fault memory (fault history) The 10 most recent faults (including resolved ones)

  • Page 75: Fault Codes

    Troubleshooting Fault display (cont.) The 10 most recent faults (including resolved ones) 2. Select " " and activate fault history with OK. ã are saved and can be called up. 3. Select fault messages with / . Calling up fault codes from the fault memory (fault history) Deleting fault history The 10 most recent faults (including those remedied)
  • Page 76 Troubleshooting Fault codes (cont.) Displayed Const. Weath.- System characteris- Cause Measures fault code comp. tics Mixer closes Short circuit, flow Check flow temperature temperature sen- sensor (see page 88) sor, heating circuit 3 (with mixer) Mixer closes Lead break, flow Check flow temperature temperature sen- sensor (see page 88)
  • Page 77 Troubleshooting Fault codes (cont.) Displayed Const. Weath.- System characteris- Cause Measures fault code comp. tics No solar DHW heat- Lead break, cylin- Check temperature sen- der temperature on solar control sensor module or sensor on the Vitosolic Control mode No or inadequate Check solar circuit pump flow rate in collec- and solar circuit.
  • Page 78 Troubleshooting Fault codes (cont.) Displayed Const. Weath.- System characteris- Cause Measures fault code comp. tics Control mode without Communication er- Check connections, ca- remote control ror, Vitotrol remote ble, coding address "A0" control in "Heating circuit" heating circuit 2 group and remote control (with mixer) settings (see page 101).
  • Page 79 Troubleshooting Fault codes (cont.) Displayed Const. Weath.- System characteris- Cause Measures fault code comp. tics Control mode, max. Communication er- Check setting of coding pump speed ror, external varia- address "E5" in the ble speed heating "Heating circuit" group circuit pump, heating circuit 3 (with mixer) Control mode...
  • Page 80 Troubleshooting Fault codes (cont.) Displayed Const. Weath.- System characteris- Cause Measures fault code comp. tics Control mode without Lead break, room Check room temperature room influence temperature sen- sensor heating circuit 3 and remote control set- heating circuit 3 tings (see page 101) (with mixer) Control mode Fault, external LON...
  • Page 81 Troubleshooting Fault codes (cont.) Displayed Const. Weath.- System characteris- Cause Measures fault code comp. tics Burner in a fault state Ionisation current Check flue system; reme- outside permissible dy flue gas recirculation if range during cali- required. bration (excessive In open flue operation, deviation from pre- prevent high incidence of vious level)
  • Page 82 Troubleshooting Fault codes (cont.) Displayed Const. Weath.- System characteris- Cause Measures fault code comp. tics Burner in a fault state Flame is lost imme- Check gas supply (gas diately after it has pressure and gas flow build (during the switch). safety time).

  • Page 83: Repair

    Troubleshooting Fault codes (cont.) Displayed Const. Weath.- System characteris- Cause Measures fault code comp. tics Burner in a fault state Fault, burner con- Check ignition electrodes trol unit and connecting cables. Check whether a strong interference (EMC) field exists near the appliance. Press reset button R.

  • Page 84: Checking The Boiler Temperature Sensor, Cylinder Temperature Sensor Or Low Loss Header Flow Temperature Sensor

    Troubleshooting Repair (cont.) Checking the boiler temperature sensor, cylinder temperature sensor or low loss header flow temperature sensor Fig. 46 2. Check the sensor resistance and compare it with the curve. 3. Replace the sensor in the case of severe deviation. Danger The boiler water temperature sensor is immersed in the heating water (risk of scald-...

  • Page 85: Checking The Outlet Temperature Sensor Or Comfort Sensor (Only For Gas Condensing Combi Boilers)

    Troubleshooting Repair (cont.) Checking the outlet temperature sensor or comfort sensor (only for gas condensing combi boil- ers) 10 30 50 70 90 110 Temperature in °C Fig. 49 Sensor type: NTC 10 k Ω 1. Disconnect the leads from outlet temperature sen- or comfort sensor 2.

  • Page 86: Checking The Plate Heat Exchanger

    Troubleshooting Repair (cont.) Checking the plate heat exchanger 01. Shut off and drain the boiler on the heating water and DHW sides. 02. Release the side closures and pivot the control unit forward. 03. Disconnect leads from comfort sensor 04. Remove the retaining clip and siphon 05.

  • Page 87: Checking The Temperature Limiter

    Troubleshooting Repair (cont.) Fault "A3" during commissioning During commissioning, the control unit checks whether 2. If necessary, correct the position of the flue gas the flue gas temperature sensor is correctly positioned. temperature sensor or replace faulty flue gas tem- If the flue gas temperature sensor is not positioned perature sensor.

  • Page 88: Extension Kit, Mixer

    Troubleshooting Repair (cont.) Extension kit, mixer Checking the setting of rotary selector S1 Note The mixer motor can also be started via the actuator The rotary selector on the PCB of the extension kit test (see chapter "Checking outputs"). defines the assignment to the relevant heating circuit. Note the rotational direction of the mixer motor during its self-test.

  • Page 89: Checking The Vitotronic 200-H (Accessory)

    Troubleshooting Repair (cont.) Checking the Vitotronic 200-H (accessory) The Vitotronic 200-H is connected to the control unit via the LON cable. To test the connection, carry out a subscriber check at the boiler control unit (see page 40).

  • Page 90: Function Description Constant Temperature Control Unit

    Function description Constant temperature control unit °C Fig. 57 Heating mode The selected set boiler water temperature will be main- The electronic temperature limiter inside the burner tained when a demand is being raised by the room control unit limits the boiler water temperature. thermostat and the heating program is set to DHW and Flow temperature setting range: 20 to 74 °C.

  • Page 91: Weather-Compensated Control Unit

    Function description Weather-compensated control unit 21°C 14°C Boiler temperature 48 °C Fig. 58 Heating mode The control unit determines a set boiler water tempera- The electronic temperature limiter inside the burner ture subject to outside temperature or room tempera- control unit limits the boiler water temperature. ture (if a room temperature-dependent remote control is connected) and to the slope level of the heating...

  • Page 92: Internal Extensions (Accessories)

    Function description Internal extensions (accessories) Internal extension H1 Fig. 59 The internal extension is integrated into the control unit Heating circuit pump for heating circuit without mixer ■ casing. The following alternative functions can be con- (code "53:2") nected to relay output .

  • Page 93: Internal Extension H2

    Function description Internal extensions (accessories) (cont.) Internal extension H2 Fig. 60 The internal extension is integrated into the control unit Heating circuit pump for heating circuit without mixer ■ casing. The following alternative functions can be con- (code "53:2") nected to relay output .

  • Page 94: External Extensions (Accessories)

    Function description External extensions (accessories) Extension AM1 Fig. 61 Circulation pump A Power supply for additional accessories fÖ Circulation pump KM BUS Power supply fÖ Functions Select the output functions by means of the codes on the boiler control unit. One of the following circulation pumps can be connec- ted to each of the connections A1 and A2: Heating circuit pump for the heating circuit without...

  • Page 95: Extension Ea1

    Function description External extensions (accessories) (cont.) Extension EA1 Fig. 62 Power supply fÖ Fuse/MCB Power supply for additional accessories fÖ Digital input 1 Central fault message/feed pump/DHW circu- Digital input 2 lation pump (potential-free) Digital input 3 KM BUS 10 V 0 10 V input –...

  • Page 96: Control Functions

    Function description External extensions (accessories) (cont.) The effect of the operating program changeover is Analogue input 0 10 V – selected via coding address d5 in the "Heating cir- cuit" group. The 0 10 V hook-up provides an additional set boiler –...

  • Page 97: External Blocking

    Function description Control functions (cont.) Heating program - changeover Code Changeover via input DE1 d8:1 Changeover via input DE2 d8:2 Changeover via input DE3 d8:3 You can select which direction the heating program changeover takes in coding address "d5" in the "Heat- ing circuit"...

  • Page 98: Venting Program

    Function description Control functions (cont.) External demand Code Input DE1 3A:2 Input DE2 3b:2 Input DE3 3C:2 The effect on the internal circulation pump is selected The minimum set boiler water temperature in case of in coding address "3F" in group "General". external demand is selected in coding address "9b"...
  • Page 99 Function description Control functions (cont.) Temperature profile 2: (ZV parquet and flooring technology) code "F1:2" Days Fig. 64 Temperature profile 3: Code "F1:3" Days Fig. 65 Temperature profile 4: Code "F1:4" Days Fig. 66 Temperature profile 5: Code "F1:5" Days Fig.

  • Page 100: Raising The Reduced Room Temperature

    Function description Control functions (cont.) Temperature profile 7: Code "F1:15" Days Fig. 69 Raising the reduced room temperature During operation with reduced room temperature, the The outside temperature limits for the start and end of reduced set room temperature can be automatically temperature raising can be set in coding addresses raised subject to the outside temperature.

  • Page 101: Allocating Heating Circuits To The Remote Control

    Function description Control functions (cont.) Example using the settings in the delivered condition Time in h Fig. 71 Start of operation with standard room temperature Set boiler water or flow temperature in accordance with the selected heating curve Set boiler water or flow temperature in accordance with coding address "FA": 50 °C + 20 % = 60 °C Duration of operation with raised set boiler water...

  • Page 102: Electronic Combustion Control Unit

    Function description Electronic combustion control unit The electronic combustion controller utilises the physi- To check the combustion quality, the CO content or cal correlation between the level of the ionisation cur- the O content of the flue gas is measured. The pre- rent and the air ratio .

  • Page 103: Designs Connection And Wiring Diagram - Internal Connections

    Designs Connection and wiring diagram Internal connections – Fig. 72 Main PCB Temperature limiter X... Electrical interface Ignition unit Boiler water temperature sensor Fan motor § a-Ö Type B2KA only: A Fan motor control a-Ö Outlet temperature sensor Type B2KA only: Ionisation electrode Flow switch Flue gas temperature sensor...

  • Page 104: Connection And Wiring Diagram - External Connections

    Designs Connection and wiring diagram External connections – Fig. 73 Main PCB Flow temperature sensor, low loss header Power supply unit Cylinder temperature sensor (type B2HA) Optolink Burner control unit Comfort sensor (type B2KA) Programming unit (plug on the cable harness) Coding card Internal circulation pump sÖ...

  • Page 105: Parts Lists Ordering Individual Parts

    Control unit assembly Casing assembly Hydraulic assembly with Aqua plate Heat cell assembly with burner Miscellaneous assembly Casing 0001 Control unit support 0004 Fixing clip (2 pce) 0002 Front panel 0005 Contact guard 0003 Viessmann logo 0006 Diaphragm grommet DN 60...

  • Page 106: Heat Cell

    Parts lists Casing (cont.) 0006 0004 0001 0005 0003 0002 0003 0004 Fig. 75 Heat cell 0001 Gasket DN 60 0011 Condensate hose 0002 Boiler flue connection 60/100 0012 Gas supply pipe retaining clip 0003 Boiler flue connection plug 0013 Cheese head screw M 6 x 16 (5 pce) 0004 Flue gasket...

  • Page 107: Burner

    Parts lists Heat cell (cont.) 0001 0005 0002 0001 0003 0003 0004 0018 0019 0017 0016 0006 0017 0015 0007 0012 0013 0010 0008 0014 0015 0009 0010 0011 0008 0009 Fig. 76 Burner 0001 Burner gasket (wearing part) 0013 Gasket, ignition electrode (5 pce) 0002 Thermal insulation ring...

  • Page 108: Hydraulics Type B2Ha

    Parts lists Burner (cont.) 0018 0004 0003 0002 0001 0001 0004 0018 0007 0012 0013 0015 0004 0010 0018 0013 0005 0013 0014 0011 0012 0006 0007 0012 0017 0019 0019 0016 0009 0008 0007 Fig. 77 Hydraulics type B2HA 0001 Expansion vessel 0014...

  • Page 109: Aqua Plate Type B2Ha

    Parts lists Hydraulics type B2HA (cont.) 0002 0015 0011 0011 0016 0016 0017 0011 0001 0016 0006 0006 0007 0011 0003 0019 0004 0004 0006 0005 0023 0023 0008 0016 0004 0018 0011 0013 0016 0020 0011 0020 0021 0022 0010 0009 0008...

  • Page 110: Hydraulics Type B2Ka

    Parts lists Hydraulics type B2HA (cont.) 0006 0007 0009 0004 0005 0003 0004 0008 0001 0002 Fig. 79 Hydraulics type B2KA 0001 Expansion vessel 0014 Pressure gauge 0002 Expansion vessel brace 0015 Heating water return connection elbow 0003 Connection line, expansion vessel 0016 Hose clip DN 25 0004...

  • Page 111: Aqua Plate Type B2Ka

    Parts lists Hydraulics type B2KA (cont.) 0002 0015 0011 0011 0016 0016 0017 0011 0001 0016 0006 0006 0007 0011 0003 0019 0004 0004 0006 0005 0023 0023 0008 0016 0004 0018 0011 0013 0016 0020 0011 0020 0021 0022 0010 0009 0008...

  • Page 112: Control Unit

    Parts lists Hydraulics type B2KA (cont.) 0007 0008 0017 0018 0015 0016 0020 0021 0010 0022 0013 0003 0004 0005 0012 0010 0008 0007 0004 0019 0002 0001 0014 0009 0021 Fig. 81 Control unit 0001 Control unit 0011 Cable harness 100/35/54/PE 0002 Control unit casing back panel 0012...

  • Page 113: Miscellaneous

    Parts lists Control unit (cont.) 0013 0002 0003 0009 0022 0008 0005 0009 0015 0001 0020 0015 0021 0014 0005 0006 0004 0017 0015 0007 0018 0010 0019 0011 0012 Fig. 82 Miscellaneous 0001 Spray paint, Vitowhite 0005 Operating instructions for constant tempera- ture mode 0002 Touch-up paint stick, Vitowhite...
  • Page 114 Parts lists Miscellaneous (cont.) 0003 0001 0002 0006 0004 0005 Fig. 83...

  • Page 115: Commissioning/Service

    Commissioning/service reports Commissioning/service reports Settings and actual values Set value Commissioning Maintenance/ Service Date Signature Static pressure mbar 57.5 ≤ 5.75 ≤ Supply pressure (flow pressure) for natural gas E mbar 17.4-25 1.74-2.5 for natural gas LL mbar 17.4-25 1.74-2.5 for LPG mbar 42.5-57.5...

  • Page 116: Specification

    Specification Specification Rated voltage 230 V Electronic temperature limiter setting 82 °C Rated frequency 50 Hz Temperature limiter setting 100 °C (fixed) Rated current Backup fuse (power supply) Max. 16 A Safety category IP rating IP X 4 D to EN 60529 Permissible ambient temperature During operation 0 to +40 °C...
  • Page 117 Specification Specification (cont.) Note The supply values are only for documentation purpo- ses (e.g. in the gas contract application) or to estimate a supplementary volumetric settings check. Due to the factory settings, the gas pressure must not be altered from these values. Reference: 15 °C, 1013 mbar (101.3 kPa).

  • Page 118: Certificates Declaration Of Conformity

    Certificates Declaration of conformity We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, declare as sole responsible body that the product Vitodens 200-W, types B2HA and B2KA, complies with the following standards: DIN 4753 EN 60 335-1 EN 483 EN 60 335-2-102...

  • Page 119: Keyword Index

    Keyword index Keyword index Function testing............72 Acknowledging a fault display........74 Fuse................87 Actuator test............... 72 Assembly..............105 Gas supply pressure..........26 Gas train ..............26 Boiler water temperature sensor........ 84 Gas type..............25 Boosting DHW heating..........91 Gas type conversion..........25 Brief scans..............69 Burner gasket.............30 Burner gauze assembly..........
  • Page 120 System schemes..........35, 43 Applicability Serial No.: 7513683 7513684 7454859 7454860 7454861 7454862 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 Fax: +44 1952 675040 E-mail: info-uk@viessmann.com...

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