Viessmann VITODENS 200-W Service Instructions Manual
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Viessmann VITODENS 200-W Service Instructions Manual

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See also: Technician Manual , Instruction and Service Manual
VIESMANN
Service instructions
for contractors
Vitodens 200-W
Type WB2C, 80 and 105 kW
Wall mounted gas condensing boiler
Natural gas and LPG version
For applicability, see the last page
VITODENS 200-W
Please keep safe.
5692 902 GB
3/2011

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Summary of Contents for Viessmann VITODENS 200-W

  • Page 1 VIESMANN Service instructions for contractors Vitodens 200-W Type WB2C, 80 and 105 kW Wall mounted gas condensing boiler Natural gas and LPG version For applicability, see the last page VITODENS 200-W Please keep safe. 5692 902 GB 3/2011...

  • Page 2: Code

    Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and mate- rial losses. Safety instructions explained ■ all current safety regulations as defined by DIN, EN, DVGW, TRGI, Danger TRF, VDE and all locally applicable This symbol warns against the standards, risk of injury.
  • Page 3 ■ When using gas as fuel, also close the For replacements, use only orig- main gas shut-off valve and safeguard inal spare parts from Viessmann against unauthorised reopening. or those which are approved by ■ Isolate the system from the power sup- Viessmann.

  • Page 4: Table Of Contents

    Index Index Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance.......... Further details regarding the individual steps............Code 1 Calling up coding level 1..................39 General/group "1"....................40 Boiler/group "2"....................42 DHW/group "3"..................... 43 Solar/group "4"..................... 44 Heating circuit 1, heating circuit 2, heating circuit 3/group "5"......46 Code 2 Calling up coding level 2..................
  • Page 5 Index Index (cont.) Parts list Heat cell assembly....................132 Burner assembly....................134 Hydraulic assembly....................135 Sheet metal parts assembly................. 136 VBC134-A04.102 control unit assembly............... 137 Miscellaneous....................... 138 Commissioning/service reports ..........................140 Specification....................... 141 Certificates Declaration of conformity..................142 Manufacturer's certificate according to the 1st BImSchV [Germany]....142 Keyword index....................

  • Page 6: 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. Filling the heating system..........•...
  • Page 7 Commissioning, inspection, maintenance Steps - commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • • 21. Checking the condensate drain and cleaning the siphon................23 • • 22. Checking the neutralising system (if installed) • • 23. Checking the diaphragm expansion vessel and system pressure.............

  • Page 8: Further Details Regarding The Individual Steps

    Commissioning, inspection, maintenance Further details regarding the individual steps Opening the boiler...

  • Page 9: 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 systems and multi boiler systems ≤ 200 kW: 11.2 °dH (2.0 mol/m...

  • Page 10: Venting The Boiler By Flushing

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

  • 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.) 3. "Language" 4. Set the required language with / . Sprache Deutsch ç Cesky Dansk English Wählen mit Setting the time and date (if required) – only for weather-com- pensated control units During commissioning, or after pro- 2.

  • Page 12: Filling The Siphon With Water

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Activating the venting function Weather-compensated control unit Constant temperature control unit Service menu Service menu 1. Press OK and å simultaneously for 1. Press OK and å simultaneously for approx. 4 s. approx.

  • Page 13: Checking The Gas Type

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the gas type The boiler is equipped with an electronic combustion controller that adjusts the burner for optimum combustion in accordance with the prevailing gas quality. ■ Consequently, for natural gas there is no adjustment required across the entire Wobbe index range.

  • Page 14: Function Sequence And Possible Faults

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 5. Affix label "G 31" (included with the technical documentation) in a clearly visible position, near the gas train on the cover panel. Function sequence and possible faults Display Measures Control unit Increase set value issues a heat...
  • Page 15 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Ionisation current Fault EE Check the ionisa- builds tion electrode Symbol A adjustment and the gas line for air- locks Burner in opera- Stops below the Check the flue gas tion set boiler water system for tight-...

  • Page 16: Checking The Static And Supply Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) For further details regarding faults, see page 90. Checking the static and supply pressure Danger CO build-up as a result of incorrect burner adjustment can have serious health implications. Carry out a CO test before and after work on gas appliances. Operation with LPG Flush the LPG tank twice during commissioning or replacement.
  • Page 17 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 a suitable measuring device with a resolution of at least 0.1 mbar to check the supply pressure.

  • Page 18: Maximum Output Setting

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Maximum output setting 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 19: Removing The Burner And Checking The Burner Gasket

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) If actual CO values are higher or O val- ues are lower, then pressure test the flue pipe with a static pressure of 200 Pa. Removing the burner and checking the burner gasket 1.

  • Page 20: Checking The Burner Gauze Assembly & Replacing If

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 7. Undo six screws K and remove the 8. Check burner gasket L for damage. burner. Replace gasket if required. Please note To prevent any damage, never touch the mesh of the burner gauze assembly.

  • Page 21: Checking And Adjusting The Ignition And Ionisation Electrodes

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Undo three retaining clips B on ther- 5. Insert a new burner gauze assembly mal insulation ring C and then with a new gasket and secure with four Torx screws. remove thermal insulation ring C.

  • Page 22: Cleaning The Combustion Chamber/Heat Exchanger And Installing The Burner

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the combustion chamber/heat exchanger and installing the burner Please note Scratches on parts that are in contact with flue gas can lead to corrosion. Never use brushes to clean the heat exchanger. 1.

  • Page 23: Checking The Condensate Drain And Cleaning The Siphon

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6. Check the gas connections for tight- 7. Connect the electrical cables/leads to ness. the corresponding components. Danger Escaping gas leads to a risk of explosion. Check all fittings for gas tight- ness.

  • Page 24: Checking Electrical Connections For Firm Seating 26. Checking Gas Equipment For Tightness At Operating Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. Top up your heating system with Permiss. operating pressure: 4 bar water until the filling pressure of the cooled system is 0.1 to 0.2 bar higher than the pre-charge pressure of the diaphragm expansion vessel.
  • Page 25 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Check the CO content. Should the actual value deviate from the above ranges by more than 1 %, implement steps from page 24. 5. Enter actual values into the report. 6.

  • Page 26: Matching The Control Unit To The Heating System

    ■ For coding steps, see page 39. System version 1 One heating circuit without mixer A1 with/without DHW heating, with/without low loss header ID: 4605139_1001_01 1 Vitodens 200-W 5 DHW cylinder 2 Outside temperature sensor (only 6 Cylinder temperature sensor for weather-compensated control...
  • Page 27 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Function/system components Code Adjust Delivered con- dition Operation with LPG 82:1 82:0 System without low loss header and without DHW cir- culation pump: Circulation pump for cylinder heating, connection at 53:3 53:1 internal extension H1 or H2...
  • Page 28 System version 2 One heating circuit with mixer M2 with system separation, with/without DHW heating, with/without low loss header ID: 4605013_1001_01 1 Vitodens 200-W 9 Flow temperature sensor M2 2 Outside temperature sensor qP Heating circuit pump M2 3 Boiler circuit pump...
  • Page 29 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Function/system components Code Adjust Delivered con- dition Operation with LPG 82:1 82:0 System only with one heating circuit with mixer with extension kit for mixer (without unregulated heating circuit) ■ with DHW cylinder 00:4 00:6 ■...
  • Page 30 One heating circuit without mixer, one heating circuit with mixer M2 (with extension kit), one heating circuit with mixer M3 (with extension kit) and low loss header (with/without DHW heating) ID: 4605141_1001_01 1 Vitodens 200-W qW Extension kit for one heating circuit 2 Outside temperature sensor with mixer M2...
  • Page 31 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Function/system components Code Adjust Delivered con- dition Operation with LPG 82:1 82:0 System only with two heating circuits with mixer with extension kit for mixer (without unregulated heating circuit) ■ with DHW cylinder 00:8 00:10 ■...
  • Page 32 System version 4 Multi boiler system with several heating circuits with mixer and low loss header (with/without DHW heating) ID: 4605016_1001_01 1 Vitodens 200-W qW Heating circuit with mixer M3 (heat- ing circuit 3) 2 Vitotronic 300-K qE Temperature limiter to limit the max-...

  • Page 33: 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 service instructions Adjusting the heating curves (only for weather-compensated control units) The heating curves illustrate the relation- Slope setting ranges: ship between the outside temperature ■...
  • Page 34 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Slope -5 -10 -15 -20 Outside temperature in °C Changing the slope and level Extended menu: 1. å 2. "Heating" 3. Select heating circuit. 4. "Heating curve" 5. "Slope" or "Level" 6.

  • Page 35: Connecting The Control Unit To The Lon

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Adjusting the set room temperature Reduced room temperature Standard room temperature Example 2: Adjustment of the reduced room temperature from 5 °C to 14 °C Example 1: Adjustment of the standard room temperature from 20 to 26 °C A Boiler water temperature or flow temperature in °C...
  • Page 36 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Single boiler system with Note Vitotronic 200-H and Vitocom 300 In the LON system, the same subscriber (example) number cannot be allocated twice. Only one Vitotronic may be program- Set the LON subscriber numbers and med as fault manager.

  • Page 37: Scanning And Resetting The "Service" Display

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Preconditions: 4. Select subscriber (e.g. subscriber ■ The control unit must be programmed 10). as fault manager (code "79:1") The subscriber check for the selected ■ The LON subscriber number must be subscriber is initiated.

  • Page 38: Instructing The System User

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) After a service has been carried out Constant temperature control unit (reset service) Reset code 24:1 to 24:0. Weather-compensated control unit Note 1. Press OK and å simultaneously The selected service parameters for for approx.

  • Page 39: Code 1

    Code 1 Calling up coding level 1 Calling up coding level 1 Note 4. Select coding address. ■ On weather-compensated control units, codes are displayed as plain 5. Select value according to the follow- text. ing tables and confirm with OK. ■...

  • Page 40: General/Group "1

    Code 1 Calling up coding level 1 (cont.) 5. Select value according to the follow- 6. If you want to reset all codes to ing tables with V/v and confirm with their delivered condition: Select "7" with Ú and confirm with When "...
  • Page 41 Code 1 General/group "1" (cont.) Value System Description address version 00: ... One heating circuit with mixer M2 (heating circuit 2) and one heating circuit with mixer M3 (heating circuit 3), without DHW heating One heating circuit with mixer M2 (heating circuit 2) and one heating circuit with mixer M3 (heating circuit 3), with DHW heating One heating circuit without mixer A1 (heating circuit 1), one...

  • Page 42: Boiler/Group "2

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

  • Page 43: Dhw/Group "3

    Code 1 Boiler/group "2" (cont.) Coding Coding in the delivered condition Possible change Single/multi boiler system 01:1 Single boiler system (only 01:2 Multi boiler system with for constant temperature Vitotronic 300-K control units) Boiler number 07:1 Boiler number in multi 07:2 Boiler number 2 to 8 in boiler systems (only for...

  • Page 44: Solar/Group "4

    Code 1 DHW/group "3" (cont.) Coding Coding in the delivered condition Possible change Set DHW temperature reheating suppression 67:40 For solar DHW heating: 67:0 Set DHW temperature Set DHW temperature adjustable from 0 to 95 °C 40 °C. Reheating is sup- 67:95 (limited by boiler-specific pressed above the selec-...
  • Page 45 Code 1 Solar/group "4" (cont.) Coding in the delivered condition Possible change Cylinder maximum temperature 08:60 The solar circuit pump will 08:10 The maximum cylinder stop when the actual cyl- temperature can be adjus- inder temperature rea- 08:90 ted from 10 to 90 °C. ches 60 °C (maximum cylinder temperature).

  • Page 46: Heating Circuit 1, Heating Circuit 2, Heating Circuit 3/Group "5

    Code 1 Solar/group "4" (cont.) Coding in the delivered condition Possible change Extended solar control functions 20:0 No extended control func- 20:1 Auxiliary function for DHW tions enabled heating 20:2 Differential temperature control 2 20:3 Differential temperature control 2 and auxiliary func- tion 20:4 Differential temperature...
  • Page 47 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding Coding in the delivered condition Possible change Priority DHW heating A2:2 Cylinder priority applica- A2:0 Without cylinder priority ble to heating circuit applicable to heating circuit pump and mixer pump and mixer A2:1 Cylinder priority only appli-...
  • Page 48 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Extended economy function adjusted outside temperature A6:36 Extended economy func- A6:5 Extended economy control tion disabled (only for enabled, i.e. the burner and weather-compensated A6:35 heating circuit pump will be...
  • Page 49 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Weather-compensated/room temperature hook-up b0:0 With remote control: b0:1 Heating mode: weather- Heating mode/reduced compensated mode: weather-compen- Reduced mode: with room sated (only for weather- temperature hook-up compensated control b0:2...
  • Page 50 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Max. flow temperature heating circuit C6:74 Electronic maximum flow C6:10 Maximum limit adjustable temperature limit 74 °C from 10 to 127 °C (limited (only for weather-com- C6:127 by boiler-specific parame-...
  • Page 51 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Pump control in "Only DHW" F6:25 In the "Only DHW" oper- F6:0 In the "Only DHW" operat- ating mode, the circula- ing mode, the circulation tion pump in the heating pump in the heating circuit circuit connection set is...
  • Page 52 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Set flow temperature increase FA:20 Raising the set boiler FA:0 Temperature rise adjusta- water temperature or the ble from 0 to 50 % set flow temperature FA:50 when changing from...

  • Page 53: Calling Up Coding Level 2

    Code 2 Calling up coding level 2 Calling up coding level 2 Note 4. Select group of required coding ■ In coding level 2, all codes are acces- address: sible, including the codes from coding ■ "General" level 1. ■ "Boiler" ■...

  • Page 54: General/Group "1

    Code 2 Calling up coding level 2 (cont.) 4. Select group of required coding 6. Select value according to the follow- address with V/v: ing tables with V/v and confirm with 1: "General" 2: "Boiler" 3: "DHW" 7. If you want to reset all codes to 4: "Solar"...
  • Page 55 Code 2 General/group "1" (cont.) Value System Description address version 00: ... One heating circuit without mixer A1 (heating circuit 1) and one heating circuit with mixer M2 (heating circuit 2), with DHW heating (code is adjusted automatically) One heating circuit with mixer M2 (heating circuit 2) and one heating circuit with mixer M3 (heating circuit 3), without DHW heating One heating circuit with mixer M2 (heating circuit 2) and one...
  • Page 56 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 35:0 Without extension EA1 35:1 With extension EA1 (auto- matic recognition) 36:0 Function output aBJ at 36:1 Function output aBJ: Feed extension EA1: Fault pump message 36:2 Function output aBJ: DHW circulation pump 3A:0 Function input DE1 at...
  • Page 57 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 3b:3 Function input DE2: Exter- nal blocking. Internal circulation pump function: Coding address 3b:4 Function input DE2: Exter- nal blocking with fault mes- sage input Internal circulation pump...
  • Page 58 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 3C:4 Function input DE3: Exter- nal blocking with fault mes- sage input Internal circulation pump function: Coding address 3C:5 Function input DE3: Fault message input 3C:6 Function input DE3: Brief operation, DHW circulation pump (pushbutton func- tion).
  • Page 59 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change When there is a heat demand, the internal circu- lation pump will only be started if the burner is operational. 52:0 Without flow temperature 52:1 With flow temperature sen- sensor for low loss sor for low loss header header...
  • Page 60 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 77:1 LON subscriber number 77:2 LON subscriber number, (only for weather-com- adjustable from 1 to 99: pensated control units) 77:99 1 - 4 = Boiler 5 = Cascade 10 - 98 = Vitotronic 200-H 99 = Vitocom Note...
  • Page 61 Vitotronic 200-H (only for weather-com- pensated control units) 98:1 Viessmann system num- 98:1 System number adjustable ber (in conjunction with from 1 to 5 monitoring of several sys- 98:5...

  • Page 62: Boiler/Group "2

    Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 9A:0 Never adjust 9b:70 Set flow temperature for 9b:0 Set flow temperature for external demand 70 °C external demand adjusta- 9b:127 ble from 0 to 127 °C (limited by boiler-specific parame- ters) 9C:20...
  • Page 63 Code 2 Boiler/group "2" (cont.) Coding in the delivered condition Possible change 06:... Maximum limit of the 06:20 Maximum limit of the boiler boiler water temperature, water temperature within specified in °C by the 06:127 the ranges specified by the boiler coding card boiler 07:1...

  • Page 64: Dhw/Group "3

    Code 2 Boiler/group "2" (cont.) Coding in the delivered condition Possible change 30:1 Internal variable speed 30:0 Internal circulation pump circulation pump (auto- without variable speed matic adjustment) (e.g. temporarily for serv- ice) 31:... Set speed in % of the 31:0 Set speed adjustable from internal circulation pump...
  • Page 65 Code 2 DHW/group "3" (cont.) Coding in the delivered condition Possible change 5b:0 DHW cylinder directly 5b:1 DHW cylinder connected connected to the boiler downstream of the low loss header 5E:0 Circulation pump for cyl- 5E:1 Circulation pump for cylin- inder heating stays in der heating stops at signal control mode at signal...

  • Page 66: Solar/Group "4

    Code 2 DHW/group "3" (cont.) Coding in the delivered condition Possible change 6F:... Maximum output for 6F:0 Max. output for DHW heat- DHW heating in %, speci- ing adjustable from min. fied by the boiler coding 6F:100 output to 100 % card 71:0 DHW circulation pump:...
  • Page 67 Code 2 Solar/group "4" (cont.) Coding in the delivered condition Possible change 00:30 01:4 The solar circuit pump 01:1 The differential between stops when the differen- the actual cylinder temper- tial between the collector 01:29 ature and the stop point for temperature and the the solar circuit pump can actual cylinder tempera-...
  • Page 68 (e.g. at night). 0E:1 Calculation of solar yield 0E:2 Calculation of solar yield with Viessmann heat with water as heat transfer transfer medium medium (do not select as operation is only possible with Viessmann heat trans- fer medium)
  • Page 69 Code 2 Solar/group "4" (cont.) Coding in the delivered condition Possible change 0E:0 Calculation of solar yield switched off 0F:70 The flow rate in the col- 0F:1 Flow rate in the collector lector circuit at the maxi- circuit adjustable from 0.1 mum pump speed is set 0F:255 to 25.5 l/min...
  • Page 70 Code 2 Solar/group "4" (cont.) Coding in the delivered condition Possible change 20:3 Differential temperature control 2 and auxiliary func- tion 20:4 Differential temperature control 2 for central heating backup 20:5 Thermostat function 20:6 Thermostat function and auxiliary function 20:7 Solar heating via external heat exchanger without additional temperature...
  • Page 71 Code 2 Solar/group "4" (cont.) Coding in the delivered condition Possible change 24:40 Start temperature for 24:0 Start temperature for ther- thermostat function mostat function is adjusta- 40 °C. 24:100 ble from 0 to 100 K Start temperature for thermostat function ≤ stop temperature for ther- mostat function: Thermostat function e.g.
  • Page 72 Code 2 Solar/group "4" (cont.) Coding in the delivered condition Possible change Start temperature for thermostat function > stop temperature for ther- mostat function: Thermostat function e.g. for utilising excess heat. Switching output sS is switched off when the temperature at sen- sor / falls below the start temperature for the thermostat function.

  • Page 73: Heating Circuit 1, Heating Circuit 2, Heating Circuit 3/Group "5

    Code 2 Heating circuit 1, heating circuit 2, heating circuit 3/group "5" Select "Heating circuit ..." for weather-compensated control units (see page 53). Select "5" for constant temperature control units (see page 53). Coding Coding in the delivered condition Possible change A0:0 Without remote control A0:1...
  • Page 74 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Parameter Heating circuit pump Address A3:... "ON" "OFF" -6 °C -4 °C -5 °C -3 °C -4 °C -2 °C -3 °C -1 °C -2 °C 0 °C -1 °C 1 °C 0 °C 2 °C...
  • Page 75 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Parameter address With heating circuit pump logic function: Heating cir- A5:... cuit pump "OFF" AT > RT - 1 K AT > RT - 9 K Coding in the delivered condition Possible change A6:36 Extended economy func-...
  • Page 76 Code 2 Heating circuit 1, heating circuit 2, heating… (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; "OFF" if the set value is adjustable from 1 to 15 altered through a change A9:15...
  • Page 77 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Parameter With heating circuit pump logic function: address b5:... Heating circuit pump "OFF" Heating circuit pump "ON" > RT + 5 K < RT + 4 K actual actual > RT + 4 K <...
  • Page 78 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change d6:2 Heating circuit pump starts at signal "External block- ing" (subject to coding addresses 3A, 3b and 3C) d7:0 Heating circuit pump d7:1 Heating circuit pump stops stays in control mode at at signal "External...
  • Page 79 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change F2:8 Time limit for party mode F2:0 No time limit for party or external heating pro- mode gram changeover via key: F2:1 Time limit adjustable from 1 8 h (only for weather- to 12 h compensated control...
  • Page 80 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Observe the setting of coding address "A3". (only for weather-com- pensated control units) F9:-14 Temperature limit for rais- F9:+10 Temperature limit for rais- ing the reduced set room ing the set room tempera- temperature -14 ºC, see...

  • Page 81: Diagnosis And Service Scans

    Diagnosis and service scans Calling up the service level Weather-compensated control unit Press OK and å simultaneously for approx. 4 s. Service menu overview Service General Diagnosis Heating circuit 1 Heating circuit 2 Actuator test Heating circuit 3 Coding level 1 Solar Brief scan Coding level 2...

  • Page 82: Diagnosis

    Diagnosis and service scans Diagnosis Scanning operating data ■ Weather-compensated control unit: Operating data can be scanned in six areas. See "Diagnosis" in the service menu overview. Operating data on heating circuits with mixers and solar can only be scanned if the components are installed in the system.

  • Page 83: Brief Scan

    Diagnosis and service scans Diagnosis (cont.) Brief scan In the brief scan, you can scan temperatures, software versions and connected com- ponents, for example. Weather-compensated control unit 1. OK and å simultaneously for approx. 4 s. 2. "Diagnosis" 3. "Brief scan". 4.
  • Page 84 Diagnosis and service scans Diagnosis (cont.) Line (brief Field scan) Switching Software Software Software Software state of version version version version flow Program- Mixer Solar con- switch ming unit exten- trol mod- module (only for sion ule SM1 combi 0: No boilers) mixer exten-...
  • Page 85 Diagnosis and service scans Diagnosis (cont.) Line (brief Field scan) Internal circulation Heating circuit Heating circuit pump, pump pump, heating cir- heating circuit M3 cuit M2 Variable Software Variable Software Variable Software speed version speed version speed version pump variable pump Variable pump...
  • Page 86 Diagnosis and service scans Diagnosis (cont.) For explanations of individual scans, see the following table: Brief scan Display Switching System Software version Software state of scheme 1 Control unit version flow switch to 2 Program- (only for ming unit combi boil- ers) Software Software version...
  • Page 87 Diagnosis and service scans Diagnosis (cont.) Brief scan Display Code 53 Internal details for calibration setting Extension AM1 Software Output A1 Output A1 Output A2 Output A2 version configura- switching configura- switching tion state tion state (value corre- 0: OFF (value cor- 0: OFF sponds to...

  • Page 88: Checking Outputs (Relay Test)

    Diagnosis and service scans Checking outputs (relay test) Weather-compensated control unit 1. Press OK and å simultaneously 2. "Actuator test" for approx. 4 s. The following relay outputs can be controlled subject to system design: Display Explanation All actuators All actuators have been switched off Base load Burner operates at minimum output;...
  • Page 89 Diagnosis and service scans Checking outputs (relay test) (cont.) Constant temperature control unit 1. Press OK and å simultaneously 4. Confirm selected actuator with OK. for approx. 4 s. The display shows the number for the activated actuator and "ON". "Ü"...

  • Page 90: Troubleshooting

    Troubleshooting Fault display Weather-compensated control unit If there is a fault, the red fault indicator Calling up acknowledged faults A flashes. " " flashes on the display Select "Fault" in the standard menu. and "Fault" is shown. The current faults will be displayed in a list.
  • Page 91 Troubleshooting Fault display (cont.) Constant temperature control unit If there is a fault, the red fault indicator A fault messaging facility, if connected, A flashes. The two-digit fault code and will be switched OFF. If an acknowledged fault is not remedied, (subject to the type of fault) "...

  • Page 92: Fault Codes

    Troubleshooting Fault codes Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Controls as if Short circuit, Check outside tem- the outside outside tem- perature sensor temperature perature sen- (see page 106) were 0 °C Controls as if Lead break, Check outside tem- the outside...
  • Page 93 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Mixer closes Lead break, Check the flow flow tempera- temperature sen- ture sensor, sor (see heating circuit page 111) 2 (with mixer) Mixer closes Lead break, Check the flow flow tempera-...
  • Page 94 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Lead break, Check sensor / temperature on solar control sensor / module. Control mode Lead break, Check sensor aÖ temperature on solar control sensor aÖ...
  • Page 95 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner blocked Short circuit, Check flue gas flue gas tem- temperature sen- perature sen- Control mode Communica- Check connections as per deliv- tion error, and replace pro- ered condition programming...
  • Page 96 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Communica- Check connec- without remote tion error, tions, lead, coding control remote con- address "A0" and trol Vitotrol remote control set- heating circuit tings (see 2 (with mixer) page 127).
  • Page 97 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Communica- Check connections tion error, ext. and coding extension address "2E" Control mode Communica- Replace LON com- tion error, munication module LON commu- nication mod- Control mode Input DE1...
  • Page 98 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Lead break, Check room tem- without room room temper- perature sensor for influence ature sensor, heating circuit 1 heating circuit and remote control 1 (without settings (see mixer)
  • Page 99 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Heating water Ensure adequate state flow rate too circulation volume. low during Check flow limiter. calibration. Remove scaling, Flow limiter blockage.
  • Page 100 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault The ionisa- Check gas supply state tion current (gas pressure and lies outside gas flow limiter), the permissi- gas train and con- ble range necting lead.
  • Page 101 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Repeated Check gap state flame loss between ionisation during cali- electrode and bration burner gauze assembly (see page 21). Check allocation of gas type (see page 13).
  • Page 102 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Flame signal Check gas supply state is not present (gas pressure and or too weak at gas flow limiter). burner start. Check gas train.
  • Page 103 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Flame is lost Check gas supply state immediately (gas pressure and after it has gas flow limiter). built (during Check flue gas/ the safety ventilation air sys- time).
  • Page 104 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Flame signal Check ionisation state is already electrode and con- present at necting cable. burner start. Press reset button Burner in a fault Fuel valve Check gas train.
  • Page 105 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Fault, burner Check ignition state control unit electrodes and connecting cables. Check whether a strong interference (EMC) field exists near the appliance. Press reset button Replace control unit if fault per-...

  • Page 106: Repair

    Troubleshooting Repair Checking the outside temperature sensor (weather-compensa- ted control unit) 1. Pull plug "X3" from the control unit. 2. Test the resistance of the outside temperature sensor across terminals "X3.1" and "X3.2" on the disconnec- ted plug and compare it with the curve.
  • Page 107 Troubleshooting Repair (cont.) Checking the boiler water temperature sensor, the cylinder tem- perature sensor or the flow temperature sensor for the low loss header 1. ■ Boiler water temperature sensor: Pull the leads from boiler water temperature sensor A and check the resistance.
  • Page 108 Troubleshooting Repair (cont.) 2. Check the sensor resistance and compare the actual values 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- ing).
  • Page 109 Troubleshooting Repair (cont.) 3. Remove the faulty temperature lim- 5. After commissioning, press reset but- iter. ton R on the control unit. 4. Install a new temperature limiter. Checking the fuse 1. Switch OFF the power. 3. Remove cover A. 2.
  • Page 110 Troubleshooting Repair (cont.) Heating circuit Rotary Note the rotational direction of the mixer motor during its self-test. selector S1 Then set the mixer manually to "Open". setting Heating circuit with Note mixer M2 (heating cir- The flow temperature sensor must now cuit 2) capture a higher temperature.
  • Page 111 Troubleshooting Repair (cont.) Check flow temperature sensor Pressure drop curve 10 30 50 70 90 110 Temperature in °C Sensor type: NTC 10 kΩ 1. Pull plug ? (flow temperature sen- 2. Check the sensor resistance and compare it with the curve. sor).

  • Page 112: Function Description

    Function description Constant temperature control unit °C Heating mode The selected set boiler water tempera- The electronic temperature limiter inside ture will be maintained when a demand the burner control unit limits the boiler is being raised by the room thermostat water temperature.

  • Page 113: Weather-Compensated Control Unit

    Function description Weather-compensated control unit 21°C 14°C Boiler temperature 48 °C Heating mode The control unit determines a set boiler The electronic temperature limiter inside water temperature subject to outside the burner control unit limits the boiler temperature or room temperature (if a water temperature.

  • Page 114: Internal Extensions (Accessories)

    Function description Weather-compensated control unit (cont.) Boosting DHW heating The booster heating function is activated The set temperature value for the heat- if a switching period is selected for the ing boost is adjustable in coding address fourth time phase. "58".

  • Page 115: Internal Extension H2

    Function description Internal extensions (accessories) (cont.) ■ Heating circuit pump for a heating cir- An external safety valve can be connec- cuit without mixer (coding address ted to gD. "53:2") ■ Circulation pump for cylinder heating (coding address "53:3") Internal extension H2 The internal extension is integrated into ■...

  • Page 116: External Extensions (Accessories)

    Function description External extensions (accessories) Extension AM1 Circulation pump fÖA Power supply terminal for addi- Circulation pump tional accessories fÖ Power supply [terminals] aVG KM BUS...
  • Page 117 Function description External extensions (accessories) (cont.) Functions Allocating functions for outputs A1 and A2 One of the following circulation pumps can be connected to each of the termi- Select the function for these outputs via nals A1 and A2: the codes on the boiler control unit: ■...

  • Page 118: Extension Ea1

    Function description External extensions (accessories) (cont.) Extension EA1 Digital input 1 Central fault message/feed Digital input 2 pump/DHW circulation pump Digital input 3 (zero volt) 0 - 10 V 0 - 10 V input KM BUS fÖ Power supply [terminals] fÖA Power supply terminal for addi- tional accessories...
  • Page 119 Function description External extensions (accessories) (cont.) Digital data inputs DE1 to DE3 Effect on the pumps of external block- ing function The following functions can be connec- ted alternatively: The effect on the internal circulation ■ External heating program changeover pump is selected with code 3E.

  • Page 120: Control Functions

    Function description External extensions (accessories) (cont.) Function assignment Select the function of output aBJ via code 36 at the boiler control unit. Control functions External heating program changeover The "External heating program change- The function is selected via the following over"...
  • Page 121 Function description Control functions (cont.) Heating program - changeover Code No heating program changeover F2:0 Duration of the heating program changeover 1 to 12 hours F2:1 to F2:12 The heating program changeover stays enabled for as long as the contact remains closed, but at least as long as the duration selected in coding address "F2".
  • Page 122 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 The minimum set boiler water tempera- pump is selected with code 3F. ture in case of external demand is selec- The effect on the respective heating cir- ted in coding address "9b".
  • Page 123 Function description Control functions (cont.) Temperature profile 1: (EN 1264-4) code "F1:1" Days Temperature profile 2: (ZV parquet and flooring technology) code "F1:2" Days Temperature profile 3: Code "F1:3" Days Temperature profile 4: Code "F1:4" Days...
  • Page 124 Function description Control functions (cont.) Temperature profile 5: Code "F1:5" Days Temperature profile 6: Code "F1:6" Days Temperature profile 7: Code "F1:15" Days...
  • Page 125 Function description Control functions (cont.) Raising the reduced room temperature During operation with reduced room The outside temperature limits for the temperature, the reduced set room tem- start and end of the temperature raising perature can be automatically raised can be adjusted via coding addresses subject to the outside temperature.
  • Page 126 Function description Control functions (cont.) Reducing the heat-up time During the transition from operation with The value and duration of the additional reduced room temperature to operation increase of the set boiler water or flow with standard room temperature, the temperature can be adjusted in coding boiler water or flow temperature will be addresses "FA"...

  • Page 127: Allocating Heating Circuits To The Remote Control

    Function description Allocating heating circuits to the remote control The heating circuit allocation must be configured when commissioning the Vitotrol 200A or Vitotrol 300A. Heating circuit Configuration Vitotrol 200A Vitotrol 300A The remote control affects the heating circuit with- HC 1 out mixer A1 The remote control affects the heating circuit with HC 2...
  • Page 128 Function description Electronic combustion controller (cont.) Air factor λ – CO content Air factor λ O content (%) CO content (%) for nat- content (%) for ural gas H LPG P 1.24 10.9 1.27 10.6 1.30 10.3 1.34 10.0 1.37 1.40 1.44 To achieve an optimum combustion con-...

  • Page 129: Designs

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

  • Page 130: Connection And Wiring Diagram - External Connections

    Designs Connection and wiring diagram – external connections Main PCB Burner control unit Power supply unit Programming unit Optolink Coding card...
  • Page 131 Designs Connection and wiring diagram – external… (cont.) sÖ Connection adaptor Heating circuit pump or boiler cir- LON communication module or cuit pump cascade communication module Flow limiter Internal extension (accessories) Gas solenoid valve ON/OFF switch fÖ Power supply Reset button Power supply for accessories and X...

  • Page 132: Parts List

    Parts list (cont.) Ordering parts The following information is required: Obtain standard parts from your local ■ Serial no. (see type plate A) supplier. ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list) Heat cell assembly 0001 Diaphragm grommet Ø...
  • Page 133 Parts list Heat cell assembly (cont.) 0002 0003 0008 0002 0003 0004 0005 0001 0006 0001 0007 0015 0007 0013 0009 0012 0010 0014 0015 0015 0014 0011 0014...

  • Page 134: Burner Assembly

    Parts list Burner assembly 0001 Gas train 0008 Burner insulation ring 0002 Ignition unit 0009 Burner door flange gasket 0003 Burner gasket 0010 Ignition electrode block 0004 Burner gauze assembly gasket 0011 Gas nozzle 0005 Burner door 0012 Cylinder burner gauze assembly 0006 Ignition electrode gasket 0013 Radial fan 0007 Ionisation electrode gasket...

  • Page 135: Hydraulic Assembly

    Parts list Hydraulic assembly 0001 Temperature sensor 0008 Ball valve 0002 Thermal circuit breaker 0009 Heating water return connection 0003 Clip Ø 8 (5 pce) pipework 0004 Flow control switch 0010 Heating water flow connection 0005 Gasket set G 1¼ pipe 0006 Threaded fitting 0011 Pressure gauge...

  • Page 136: Sheet Metal Parts Assembly

    Parts list Sheet metal parts assembly 0001 Fixing clip 0006 Control unit support 0002 Logo 0007 Safety guard 0003 Wall mounting bracket 0008 Diaphragm grommets (set) 0004 Cover panel Type plate 0005 Front panel 0003 0001 0008 0004 0006 0008 0002 0005 0007...

  • Page 137: Vbc134-A04.102 Control Unit Assembly

    Parts list VBC134-A04.102 control unit assembly 0100 Control unit 0111 PCB adaptor, LON module 0101 Back cover (accessories) 0102 Fuse 0112 Cable harness "X8/X9/Ionisation" 0103 Fuse holder 0113 Cable harness aux. earth/ 0104 Programming unit for weather- 100/35/54/earth compensated mode 0114 Internal connection extension H1 0105 Boiler coding card for single boiler 0115 Locking bolts, left/right...

  • Page 138: Miscellaneous

    Parts list VBC134-A04.102 control unit assembly (cont.) 0101 0110 0103 0115 0111 0116 0100 0105 0106 0115 0114 0116 0103 0104 0102 0115 0109 0119 0116 0112 0113 0118 0150 Miscellaneous 0001 Spray paint, Vitowhite 0005 Operating instructions for con- 0002 Touch-up paint stick, Vitowhite stant temperature mode 0003 Installation instructions...
  • Page 139 Parts list Miscellaneous (cont.) 0001 0002 0003 0006 0005 0004...

  • Page 140: Commissioning/Service Reports

    Commissioning/service reports Setting and test val- Set value Commis- Service sioning Date: Static pressure mbar max. 57.5 mbar Supply pressure (flow pressure) = for natural gas H mbar 17.4-25 mbar = for LPG mbar 25-47 mbar Tick gas type Carbon dioxide con- tent CO ■...

  • Page 141: Specification

    Specification Specification Rated voltage: 230 V~ Electronic tempera- Rated frequency: 50 Hz ture limiter setting: 82 °C (fixed) Rated current: 6.0 A Temperature limiter Protection class: I setting: 100 °C (fixed) IP X 4 D to Backup fuse (power IP rating: EN 60529 supply): max.

  • Page 142: Certificates

    Declaration of conformity Declaration of Conformity for the Vitodens 200-W We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm as sole respon- sible body that the product Vitodens 200-W complies with the following standards: EN 483 EN 60 335-1 EN 625...

  • Page 143: Keyword Index

    Keyword index Keyword index External blocking......121 Acknowledging a fault display....90 External demand......121 Allocating heating circuits....127 Fault codes........92 Boiler, opening........8 Fault history........90 Boiler water temperature sensor ..107 Fault manager........36 Boosting DHW heating.....114 Fault memory.......90, 91 Brief scans.........83 Faults..........90 Burner gauze assembly.....20 Filling the system.........9 Burner installation......22 Fill water..........9...
  • Page 144 Screed drying function.....122 Applicability These service instructions apply for appliances with the following serial num- bers (see type plate): 7452510 7452511 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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