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

Viessmann VITODENS 200-W Service Instructions Manual

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See also: Technician Manual , Technical Manual
VIESMANN
Service instructions
for contractors
Vitodens 200-W
Type WB2C
Wall mounted gas condensing boiler
4.8 to 35 kW natural gas and LPG version
Gas Council no.:
41-819-14; 41-819-15; 41-819-16; 41-819-17 (system boilers)
47-819-09; 47-819-10; 47-819-11 (combi boilers)
For applicability, see the last page
VITODENS 200-W
Please keep safe.
5692 857 GB
4/2010

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  • Page 1 VIESMANN Service instructions for contractors Vitodens 200-W Type WB2C Wall mounted gas condensing boiler 4.8 to 35 kW natural gas and LPG version Gas Council no.: 41-819-14; 41-819-15; 41-819-16; 41-819-17 (system boilers) 47-819-09; 47-819-10; 47-819-11 (combi boilers) For applicability, see the last page VITODENS 200-W Please keep safe.
  • Page 2 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 lists......................138 Commissioning/service reports................ 144 Specification....................... 145 Certificates Declaration of conformity..................147 Manufacturer's certificate according to the 1st BImSchV [Germany]....148 Keyword index....................149...

  • 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. Filling the heating system..........• 2. Checking power supply connection • 3.
  • Page 7 Commissioning, inspection, maintenance Steps - commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • • 20. Cleaning the heat exchanger and installing the burner................21 • • 21. Checking the condensate drain and cleaning the siphon................23 •...

  • Page 8: Further Details Regarding The Individual Steps

    ■ Soften fill water with hardness exceeding 300 ppm (3.0 mol/m , e.g. using a small softening system for heating water (see Viessmann Vitoset pricelist). ■ An antifreeze additive suitable for heating systems can be added to the fill water. The antifreeze manufacturer must verify its suitability.

  • Page 9: Selecting The Language (If Required) - Only For Weather- Compensated Control Units

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. If the control unit had already been 4. Ending filling function: switched ON before filling began: Press OK or ä. Switch control unit ON and activate filling function (see next chapter). Activating filling function with con- stant temperature control units: 5.

  • Page 10: Setting The Time And Date (If Required) - For Constant Temperature Control Units

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Setting the time and date (if required) - for constant temperature control units The time and date need to be reset dur- 2. OK to confirm; the new time unit is ing commissioning or after prolonged saved, appears.

  • Page 11: Venting The Heating System

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Close valves A and B, remove the filling equipment and open the shut- off valves on the heating water side. Venting the heating system 1. Close the gas shut-off valve and 3.

  • Page 12: Filling The Siphon With Water

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Filling the siphon with water 1. Remove retaining clip A and siphon 2. Fill siphon B with water. 3. Fit siphon B and secure with retain- ing clip A. Designating heating circuits – only for weather-compensated control units In the delivered condition, the heating To enter names for heating circuits:...

  • Page 13: Gas Type Conversion (Only For Operation With Lpg)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Determine the gas type and Wobbe 3. Record the gas type in the service index by asking your local gas supply report on page 144. utility or LPG supplier. 2.
  • Page 14 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Fan starts After approx. 51 s Check the fan, fan fault F9 connecting cables, power at the fan and fan control Ignition Fault EE Check the ignition module (control voltage 230 V across plugs "X2.1"...

  • Page 15: Checking The Static And Supply Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Automatic calibra- Fault Eb Initiate a heat tion of the com- draw-off. Switch bustion controller the boiler OFF and ON again. Press reset button For further fault details, see page 91. Checking the static and supply pressure Danger CO build-up as a result of an incorrect burner setup can have serious health...
  • Page 16 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6. Check the supply (flow) pressure. Set value: ■ Natural gas: 20 mbar ■ LPG: 37 mbar Note Use suitable test equipment with a resolution of at least 0.1 mbar to measure the supply pressure.

  • Page 17: Setting The Maximum Output

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Supply pressure (flow pressure) Measures for natural gas for LPG below 17.4 mbar below 25 mbar Do not start the boiler. Notify your gas supply utility or LPG supplier. 17.4 to 25 mbar 25 to 47 mbar Start the boiler.

  • Page 18: Checking The Balanced Flue System Tightness (Annular Gap Check)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the balanced flue system tightness (annular gap check) We recommend that your heating engi- neer carries out a simple leak/tightness test during the commissioning of your system. For this, it would be sufficient to check the CO or O concentration in the...

  • Page 19: Burner Removal

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Burner removal 1. Switch OFF the main power supply 4. Release gas supply pipe fitting F. and the ON/OFF switch at the control unit. 5. Undo four screws G and remove the burner.
  • Page 20 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) D A C 1. Remove electrodes B. 4. Insert and secure a new burner gauze assembly E with a new gas- 2. Undo three retaining clips C at ther- ket F. mal insulation ring D and remove Torque: 3.5 Nm.

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

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking and adjusting the ignition and ionisation electrodes ±1 A Ignition electrodes B Ionisation electrode 1. Check the electrodes for wear and 3. Check the electrode gaps. If the gaps contamination.
  • Page 22 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Use a vacuum cleaner to remove res- idues from heat exchanger 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 heat exchanger A and let the solution soak in for approx.

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

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

  • Page 24: Checking The Neutralising System (If Installed) 23. Checking The Flow Limiter (Only For Gas Combi Boilers)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the flow limiter (only for gas combi boilers) 1. Switch OFF the control unit, shut off the cold water line and drain the DHW side of the boiler. 2. Undo Allen screws A. Note Residual water may escape during dismantling.

  • Page 25: Checking Electrical Connections For Firm Seating 27. Checking All Gas Equipment For Tightness At Operating Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking all gas equipment for tightness at operating pressure Danger Note Escaping gas leads to a risk of For the tightness test, use only suitable explosion. and approved leak detecting agents (EN Check gas equipment for tight- 14291) and devices.
  • Page 26 1 %, implement balanced flue systems for leaks. If the steps from page 25. flue installation is OK, change the gas valve or contact the Viessmann service 8. After testing, press OK. department. 9. Enter actual values into the service...

  • Page 27: Matching The Control Unit To The Heating System

    ■ For the selection of an appropriate scheme, see the following diagrams. ■ For coding steps, see page 39. System version 1 One heating circuit without mixer A1 (with/without DHW heating) ID: 4605145_1001_01 1 Vitodens 200-W 4 DHW cylinder 2 Outside temperature sensor (only 5 Cylinder temperature sensor for weather-compensated control...

  • Page 28: Code

    The flow rate of the heating circuit without mixer must be at least 30 % greater than the flow rate of the heating circuit with mixer. ID: 4605146_1001_01 1 Vitodens 200-W 6 Heating circuit with mixer M2 (heat- 2 Outside temperature sensor...
  • Page 29 System version 3 One heating circuit without mixer A1 and one heating circuit with mixer M2 with system separation (with/without DHW heating) ID: 4605147_1001_01 1 Vitodens 200-W 4 Cylinder temperature sensor 2 Outside temperature sensor 5 Heating circuit without mixer A1...
  • Page 30 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6 Heating circuit with mixer M2 (heat- qP Extension kit for one heating circuit ing circuit 2) with mixer M2 7 Temperature limiter for limiting the qQ Heat exchanger for system separa- maximum temperature of underfloor tion heating systems...
  • Page 31 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: 4605149_1001_01 1 Vitodens 200-W qQ Heating circuit with mixer M3 (heat- 2 Outside temperature sensor ing circuit 3)

  • Page 32: Adjusting The Heating Curves (Only For Weather-Compensated Control Units)

    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 33 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Slope -5 -10 -15 -20 Outside temperature in °C A Heating curve slope for underfloor heating systems B Heating curve slope for low temper- ature heating systems (according to the Energy Savings Order [Ger- many])
  • Page 34 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Changing the slope and level Adjusting the set room temperature Standard room temperature Outside temperature in °C Example 1: Adjustment of the standard A Changing the slope room temperature from 20 to 26°C B Changing the level (vertical parallel A Boiler water temperature or flow offset of the heating curve)

  • Page 35: Connecting The Control Unit To The Lon System (Only For Weather-Compensated Control Units)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) C Set room temperature in °C Reduced room temperature D Heating circuit pump "OFF" E Heating circuit pump "ON" Adjustment of the reduced room tem- perature: Operating instructions Example 2: Adjustment of reduced room temperature from 5 °C to 14 °C A Boiler water temperature or flow temperature in °C...
  • Page 36 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Boiler control unit Vitotronic 200-H Vitotronic 200-H Vitocom Subscriber no. 1 Subscriber no. 10 Subscriber no. 11 Subscriber no. Code "77:1" Code "77:10" Set code "77:11" Control unit is fault Control unit is not Control unit is not Device is fault...

  • Page 37: Scanning And Resetting The Service Display

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Select subscriber (e.g. subscriber Note 10). If the subscriber check is carried out The subscriber check for the selected by another control unit, the sub- subscriber is introduced. scriber number and "Wink" are ■...

  • Page 38: Instructing The System User

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Constant temperature control unit Reset code 24:1 to 24:0. Note The selected service parameters for hours run and time interval restart at 0. Instructing the system user The system installer must hand the operating instructions to the system user and instruct him/her in the operation of the system.

  • Page 39: Calling Up Coding Level 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 Code 1 Calling up coding level 1 (cont.) 6. If you want to reset all codes to Note their delivered condition: This also resets codes from coding Select Ú "7" and confirm with OK. level 2. When " " flashes, confirm with OK. General/Group 1 "General"...

  • Page 41: General/Group 1

    Code 1 General/Group 1 (cont.) Value System Description address version 00: ... One heating circuit without mixer (heating circuit 1), one heat- ing circuit with mixer (heating circuit 2) and one heating circuit with mixer (heating circuit 3), without DHW heating (code is adjusted automatically) One heating circuit without mixer (heating circuit 1), one heat- ing circuit with mixer (heating circuit 2) and one heating circuit...
  • Page 42 Code 1 General/Group 1 (cont.) Coding in the delivered condition Possible change Detached house/apartment building 7F:1 Detached house (only for 7F:0 Apartment building weather-compensated Separate adjustment of control units) holiday program and time program for DHW heating, as option Lock out controls 8F:0 All control elements 8F:1...

  • Page 43: Boiler/Group 2

    Code 1 Boiler/Group 2 (cont.) Coding in the delivered condition Possible change Service interval in months 23:0 No time interval for 23:1 Interval adjustable from 1 burner service to 24 months 23:24 Service status 24:0 No display "Service" 24:1 Display "Service" indica- indication tion (address is automati- cally set and must be man-...

  • Page 44: Dhw/Group 3

    Code 1 DHW/Group 3 (cont.) Coding in the delivered condition Possible change Enable DHW circulation pump 73:0 DHW circulation pump: 73:1 "ON" from once per hour "ON" according to time for 5 min up to 6 times per program (only for 73:6 hour for 5 min during the weather-compensated...

  • Page 45: Solar/Group 4

    Code 1 Solar/Group 4 (cont.) Coding in the delivered condition Possible change Reducing stagnation time 0A:5 To protect the system 0A:0 The differential between components and heat the set cylinder tempera- transfer medium, the 0A:40 ture and the start point for speed of the solar circuit reducing the stagnation pump is reduced when...

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

    Code 1 Heating circuit 1, heating circuit 2, heating circuit 3/Group 5 "Heating circuit ..." - select for weather-compensated control units (see page 39). "5" - select for constant temperature control units (see page 39). Coding Coding in the delivered condition Possible change Summer eco function outside temperature A5:5...
  • Page 47 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Summer eco function absolute 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 control units) stopped and the mixer...
  • Page 48 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 49 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Flow temperature maximum limit 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- pensated control units)
  • Page 50 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Min. pump speed E7:30 Minimum speed of the E7:0 Minimum speed adjustable variable speed heating from 0 to 100 % of the max- circuit pump: 30 % of the E7:100 imum speed...
  • Page 51 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Pump control in "Standby mode" F7:25 In "Standby mode", the F7:0 In "Standby mode", the internal circulation pump internal circulation pump is is permanently ON (only permanently OFF for constant temperature F7:1...
  • Page 52 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Duration set flow temperature increase Fb:30 Duration for raising the Fb:0 Duration adjustable from 0 set boiler water tempera- to 300 min; 1 step ≙ 2 min ture or the set flow tem- Fb:150 perature (see coding...

  • 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 Code 2 Calling up coding level 2 (cont.) 4. Select group of the required coding 7. If you want to reset all codes to address with V/v. For example, their delivered condition: "1" for group "General" (see following Select Ú "7" and confirm with OK. section): When "...

  • Page 55: General/Group 1

    Code 2 General/Group 1 (cont.) Value System Description address version 00: ... One heating circuit with mixer (heating circuit 2) and one heating circuit with mixer (heating circuit 3), without DHW heating One heating circuit with mixer (heating circuit 2) and one heating circuit with mixer (heating circuit 3), with DHW heat- One heating circuit without mixer (heating circuit 1), one heat- ing circuit with mixer (heating circuit 2) and one heating circuit...
  • Page 56 Code 2 General/Group 1 (cont.) Coding in the delivered condition Possible change 36:0 Function output aBJ at 36:1 Function output aBJ: Feed extension EA1: Fault pump message Function output aBJ: DHW 36:2 circulation pump 3A:0 Function input DE1 at 3A:1 Function input DE1: Heat- extension EA1: without ing program changeover...
  • Page 57 Code 2 General/Group 1 (cont.) Coding in the delivered condition Possible change 3b:0 Function input DE2 at 3b:1 Function input DE2: Heat- extension EA1: without ing program changeover function 3b:2 Function input DE2: Exter- nal demand with set flow temperature. Function internal circula- tion pump: Coding address 3b:3...
  • Page 58 Code 2 General/Group 1 (cont.) Coding in the delivered condition Possible change 3C:0 Function input DE3 at 3C:1 Function input DE3: Heat- extension EA1: without ing program changeover function 3C:2 Function input DE3: Exter- nal demand with set flow temperature. Function internal circula- tion pump: Coding address 3C:3...
  • Page 59 Code 2 General/Group 1 (cont.) Coding in the delivered condition Possible change 3F:0 Internal circulation pump 3F:1 Internal circulation pump stays in control mode at stops at signal "External signal "External demand" demand" 3F:2 Internal circulation pump starts at signal "External demand"...
  • Page 60 Code 2 General/Group 1 (cont.) Coding in the delivered condition Possible change 54:0 Without solar thermal 54:1 With Vitosolic 100 (auto- system matic recognition) 54:2 With Vitosolic 200 (auto- matic recognition) 54:3 With solar control module SM1 without auxiliary func- tion (automatic recogni- tion) 54:4...
  • Page 61 Code 2 General/Group 1 (cont.) Coding in the delivered condition Possible change 7F:1 Detached house (only for 7F:0 Apartment building weather-compensated Separate adjustment of control units) holiday program and time program for DHW heating, as option 80:6 A fault message is dis- 80:0 Immediate fault message played, providing a fault...
  • Page 62 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 several sys- 98:5...

  • Page 63: Boiler/Group 2

    Code 2 Boiler/Group 2 (cont.) "2" - select for constant temperature control units (see page 53). Coding Coding in the delivered condition Possible change 01:1 Do not adjust (only for constant temperature control units) 04:1 Minimum burner pause 04:0 Minimum burner pause set subject to the boiler load permanently (specified by (specified by boiler cod-...
  • Page 64 Code 2 Boiler/Group 2 (cont.) Coding in the delivered condition Possible change 2F:0 Venting program/fill pro- 2F:1 Venting program enabled gram disabled 2F:2 Fill program enabled 30:1 Internal variable speed 30:0 Internal circulation pump circulation pump (auto- without variable speed matic adjustment) (e.g.

  • Page 65: Dhw/Group 3

    Every 2 days to every 14 constant temperature days control units) 63:14 63:15 2 x daily 65:... Information regarding the type of diverter valve (not adjustable): 0: No diverter valve 1: Viessmann diverter valve 2: Wilo diverter valve 3: Grundfos diverter valve...
  • Page 66 Code 2 DHW/Group 3 (cont.) Coding in the delivered condition Possible change 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- parameters) ted set temperature (DHW heating blocked by...

  • Page 67: Solar/Group 4

    Code 2 Solar/Group 4 (cont.) Coding Coding in the delivered condition Possible change 00:8 The solar circuit pump 00:2 The differential between starts when the collector the actual cylinder temper- temperature exceeds the 00:30 ature and the start point for actual cylinder tempera- the solar circuit pump can ture by 8 K.
  • Page 68 5 K. 0b:0 Collector frost protection 0b:1 Collector frost protection function switched OFF function switched ON (not required with Viessmann heat transfer medium). 0C:1 Delta T monitoring 0C:0 Delta T monitoring switched ON. switched OFF. No flow rate captured in the collector circuit, or flow rate too low.
  • Page 69 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) 0E:0 Calculation of solar yield switched OFF 0F:70 The flow rate in the col-...
  • Page 70 Code 2 Solar/Group 4 (cont.) Coding in the delivered condition Possible change 12:20 Minimum collector tem- 12:0 Minimum collector temper- perature 20 °C. ature function switched The solar circuit pump is not started until the mini- 12:1 The minimum collector mum collector tempera- temperature is adjustable ture set at the collector...
  • Page 71 Code 2 Solar/Group 4 (cont.) Coding in the delivered condition Possible change 23:4 Stop temperature differ- 23:2 Stop temperature differen- ential for central heating tial for central heating backup: 4 K. 23:30 backup is adjustable from 1 Switching output sS is to 29 K switched OFF when the temperature at sen-...
  • Page 72 Code 2 Solar/Group 4 (cont.) Coding in the delivered condition Possible change 25:50 Stop temperature for 25:0 Start temperature for ther- thermostat function mostat function is adjusta- 50 °C. 25:100 ble from 0 to 100 K Start temperature for thermostat function ≤ stop temperature for ther- mostat function: Thermostat function e.g.

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

    Code 2 Solar/Group 4 (cont.) Coding in the delivered condition Possible change 27:15 Alternate heating time 27:5 The alternate heating time 15 min. is adjustable from 5 to The DHW cylinder with- 27:60 60 min out priority is heated at most for the duration of the set alternate heating time if the DHW cylinder...
  • Page 74 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change A1:0 All settings that can be A1:1 Only party mode can be set made at the remote con- at the remote control trol can be executed (only for Vitotrol 200A and con- stant temperature control units)
  • Page 75 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change A4:0 With frost protection (only A4:1 No frost protection; this set- for weather-compensa- ting is only possible if code ted control units) "A3:-9" has been selected. Note See "Please note"...
  • Page 76 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change 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 control units) stopped and the mixer closed at a variable value,...
  • Page 77 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change 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 Heating mode: with room...
  • Page 78 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change C5:20 Electronic minimum flow C5:1 Minimum limit adjustable temperature limit 20 °C from 1 to 127 °C (limited by (only for weather-com- C5:127 boiler-specific parameters) pensated control units) C6:74...
  • Page 79 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change d8:0 No heating program d8:1 Heating program change- changeover via extension over via input DE1 at exten- sion EA1 d8:2 Heating program change- over via input DE2 at exten- sion EA1 d8:3...
  • Page 80 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change E8:1 Minimum speed in opera- E8:0 Speed subject to the set- tion with reduced room ting in coding address temperature subject to "E7" the setting in coding address "E9"...
  • Page 81 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change F6:25 In the "Only DHW" oper- F6:0 In the "Only DHW" operat- ating mode, the internal ing mode, the internal cir- circulation pump is per- culation pump is perma- manently ON (only for nently OFF...
  • Page 82 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change 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 operation with reduced room temperature to...

  • Page 83: Diagnosis And Service Scans

    Diagnosis and service scans Calling up the service menu Only for weather-compensated control units 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...

  • Page 84: Brief Scan

    Diagnosis and service scans Diagnosis (cont.) Note "- - -" appears on the display if a sensor that has been scanned is faulty. Calling up operating data 3. Select required group, e.g. "Gen- eral". Weather-compensated control unit Constant temperature control unit 1.
  • Page 85 Diagnosis and service scans Diagnosis (cont.) Diagnose Kurzabfrage Wählen mit For an explanation of the relevant values in the individual lines and fields, see the following table: Line (brief Field scan) Software version Equipment version Burner control unit ver- Control unit sion System schemes 01 Number...
  • Page 86 Diagnosis and service scans Diagnosis (cont.) Line (brief Field scan) Heating circuit A1 Heating circuit M2 Heating circuit M3 (without mixer) (with mixer) (with mixer) Remote Software Remote Software Remote Software control version control version control version 0: without Remote 0: with- Remote 0: with-...
  • Page 87 Diagnosis and service scans Diagnosis (cont.) 4. Confirm selected scan with OK. For explanations of individual scans, see the following table: Brief scan Display Switching System Software version Software state of schemes 1 Control unit version flow switch to 2 Program- (only for ming unit...
  • Page 88 Diagnosis and service scans Diagnosis (cont.) Brief scan Display Variable Software speed version pump Variable 0 w/o speed pump 1 Wilo 0: no varia- 2 Grundfos ble speed pump Code 53 Internal details for calibration setting Extension AM1 Software Output A1 Output A1 Output A2 Output A2...

  • Page 89: Checking Outputs (Relay Test)

    Diagnosis and service scans Diagnosis (cont.) Brief scan Display Open Therm extension (if installed) Software DHW heat- External hook-up 0 - 10 V version ing status Display in % Checking outputs (relay test) Weather-compensated control unit 1. Press OK and å simultaneously 2.
  • Page 90 Diagnosis and service scans Checking outputs (relay test) (cont.) Display Explanation Start solar circuit pump Solar circuit pump sF output at solar control module SM1 enabled Start solar circ pmp min Solar circuit pump output at solar control module SM1 switched to minimum speed Start solar circ pmp max Solar circuit pump output at solar control module SM1...

  • Page 91: 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 92 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 93: Fault Codes

    Troubleshooting Fault codes Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Controls as if Short circuit, Check the outside the outside outside tem- temperature sen- temperature perature sen- sor (see was 0 °C page 105) Controls as if Lead break, Check the outside the outside...
  • Page 94 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Mixer closes Lead break, Check flow temper- flow tempera- ature sensor ture sensor, heating circuit 2 (with mixer) Mixer closes Lead break, Check flow temper- flow tempera- ature sensor ture sensor,...
  • Page 95 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Short circuit, Check temperature cylinder tem- sensor at connec- perature sen- tion S3 to the Vitosolic 100. No DHW heat- Short circuit, Check temperature cylinder tem- sensor % on the...
  • Page 96 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Solar control Replace solar con- module or trol module or Vitosolic Vitosolic faulty Control mode Programming Replace program- as per deliv- unit faulty ming unit ered condition Burner blocked Short circuit,...
  • Page 97 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 1 (without page 132)
  • Page 98 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Communica- Check Open tion error, Therm extension Open Therm extension Control mode, Communica- Check the setting max. pump tion error, var- of coding address speed iable speed "30"...
  • Page 99 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Communica- Check electrical tion error, ext. connections extension Control mode Communica- Replace the LON tion error, communication LON commu- module nication mod- Control mode Input DE1 at Remove fault at the...
  • Page 100 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 101 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner blocked Fault, flame Replace the control amplifier unit. Burner in a fault The ionisa- Check the ionisa- state tion current tion electrode and lies outside cable.
  • 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 the ionisa- state is not present tion electrode and or too weak at connecting cable, burner start measure the ioni- sation current, check the gas sup-...
  • Page 103 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault The tempera- Check the heating state ture limiter system fill level. has respon- Check the circula- ded. tion pump. Vent the system.
  • Page 104 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 the fault per-...

  • Page 105: Repairs

    Troubleshooting Repairs 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 106 Troubleshooting Repairs (cont.) Checking the boiler temperature sensor, cylinder temperature sensor or flow temperature sensor of the low loss header...
  • Page 107 Troubleshooting Repairs (cont.) 1. ■ Boiler water temperature sen- 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.
  • Page 108 Troubleshooting Repairs (cont.) Checking the outlet temperature sensor or comfort sensor (gas combi boilers only) 1. Disconnect the leads from outlet tem- perature sensor A or comfort sensor 2. Check the sensor resistance and compare it with the curve.
  • Page 109 Troubleshooting Repairs (cont.) 3. Replace the sensor in case of severe deviation. Note Water can leak when replacing the outlet temperature sensor. Close the cold water shut-off valve. Drain the DHW line and the plate heat exchanger (DHW side). 10 30 50 70 90 110 Temperature in °C...
  • Page 110 Troubleshooting Repairs (cont.) Checking the plate heat exchanger 1. Shut off and drain the boiler on its heating water and DHW side. 2. Release the side closures and pivot the control unit forward. 3. Pull the leads from comfort sensor 4.
  • Page 111 Troubleshooting Repairs (cont.) Checking the flue gas temperature sensor The flue gas temperature sensor locks out the boiler when the permissible flue gas temperature is exceeded. Reset the interlock after the flue system has cooled down by pressing reset button R. 1.
  • Page 112 Troubleshooting Repairs (cont.) 1. Pull the leads from temperature lim- iter A. 2. Check the continuity of the tempera- ture limiter with a multimeter. 3. Remove the faulty temperature lim- iter. 4. Coat the replacement temperature limiter with heat conducting paste and install it.
  • Page 113 Troubleshooting Repairs (cont.) 3. Remove cover A. 4. Check fuse F1 (see connection and wiring diagram). Extension kit for heating circuit with mixer Checking the setting of rotary selec- Note the rotational direction of the mixer tor S1 motor during its self-test. Then set the mixer manually to "Open"...
  • Page 114 Troubleshooting Repairs (cont.) 2. At plug gS, swap the cores at termi- nals "|" and "~". 3. Refit the casing cover. Checking the Vitotronic 200-H (accessories) 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 36).

  • Page 115: 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 116: Weather-Compensated Control Unit

    Function description Constant temperature control unit (cont.) In the delivered condition, the set boiler water temperature is 20 K higher than the set DHW temperature (adjustable via coding address "60"). The burner will be switched OFF and the circulation pump run-on time will begin, if the actual cylin- der temperature exceeds the set cylinder temperature by 2.5 K.
  • Page 117 Function description Weather-compensated control unit (cont.) DHW heating with gas fired combi boilers If the flow switch detects that hot water is being extracted (> 3 l/min) then the burner, circulation pump and 3-way valve are switched on or changed over. The burner modulates according to the DHW outlet temperature and is limited by the temperature limiter (82 °C) on the...

  • Page 118: Internal Extensions (Accessories)

    Function description Internal extensions (accessories) Internal extension H1 The internal extension is integrated into ■ Heating circuit pump for a heating cir- the control unit housing. The following cuit without mixer (coding address alternative functions can be connected "53:2") to relay output sK. The function is allo- ■...

  • Page 119: Internal Extension H2

    Function description Internal extensions (accessories) (cont.) Internal extension H2 The internal extension is integrated into ■ Heating circuit pump for heating circuit the control unit housing. The following without mixer (coding address "53:2") alternative functions can be connected ■ Circulation pump for cylinder heating to relay output sK.

  • Page 120: 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 121 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 122: 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 123 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 124: 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 125 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 126 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 relevant heating circuit ted in coding address "9b".
  • Page 127 Function description Control functions (cont.) When the screed drying function is acti- The various temperature profiles are vated, the heating circuit pump of the adjustable via coding address "F1". mixer circuit is switched ON and the flow The function continues after power fail- temperature will be held in accordance ure or after the control unit has been with the selected profile.
  • Page 128 Function description Control functions (cont.) Temperature profile 3: Code F1:3 Days Temperature profile 4: Code F1:4 Days Temperature profile 5: Code F1:5 Days...
  • Page 129 Function description Control functions (cont.) Temperature profile 6: Code F1:6 Days Temperature profile 7: Code F1:15 Days 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 130 Function description Control functions (cont.) Example using the settings in the delivered condition -5 -10 -15 Outside temp. in °C 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 with The value and duration of the additional reduced room temperature to operation...
  • Page 131 Function description Control functions (cont.) Example using the settings in the delivered condition Time in h A Start of operation with standard D Duration of operation with raised set room temperature boiler water or flow temperature in B Set boiler water or flow temperature accordance with coding address in accordance with the selected "Fb":...

  • Page 132: 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- out mixer A1 The remote control affects the heating circuit with mixer M2 The remote control affects the heating circuit with...
  • Page 133 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 134: Designs

    Designs Connection and wiring diagrams – internal connections Main PCB Outlet temperature sensor X... Electrical interface (gas condensing combi boiler) § Boiler water temperature sen- Ionisation electrode Flue gas temperature sensor dÖ Stepper motor for diverter valve...
  • Page 135 Designs Connection and wiring diagrams – internal… (cont.) Temperature limiter Flow switch (gas condensing combi boiler) Ignition unit a:Ö Modulation coil a-Ö Fan motor a-Ö A Fan motor control...

  • Page 136: 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 137 Designs Connection and wiring diagram – external… (cont.) sÖ Connection adaptor Internal circulation pump LON communication module Gas solenoid valve (Vitotronic 200) fÖ Power supply [terminals] Internal extension H1 or H2 Power supply accessories and ON/OFF switch Vitotrol 100 Reset button a-Ö...

  • Page 138: Parts Lists

    Parts lists Parts lists Spare parts information 058 Burner flange gasket Quote the part and serial no. (see type 059 Burner fan plate) and the item number of the 060 Gas train required part (as per this parts list). 061 Burner door Obtain standard parts from your local 062 Ignition unit supplier.

  • Page 139: Type Plate

    Parts lists Parts lists (cont.) 117 Programming unit for constant tem- 110 Cable harness X8/X9/ionisation perature operation with time switch 111 Cable harness 100/35/54/earth 150 Outside temperature sensor 112 Power cable, stepper motor 151 Flue gas temperature sensor 113 Mating plug 152 Temperature limiter 114 Cable fixing 153 Temperature sensor...
  • Page 140 Parts lists Parts lists (cont.)
  • Page 141 Parts lists Parts lists (cont.) 070 152...
  • Page 142 Parts lists Parts lists (cont.)
  • Page 143 Parts lists Parts lists (cont.)

  • Page 144: Commissioning/Service Reports

    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 145: Specification

    Specification Specification Rated voltage 230 V Electronic tempera- Rated frequency 50 Hz ture limiter setting 82 °C Rated current Temperature limiter Protection class setting 100 °C (fixed) IP rating IP X 4 D to Line fuse (power sup- EN 60529 ply) max.
  • Page 146 Specification Specification (cont.) Rated output range 50/30 °C 6.5 - 26 8.8 - 30 8.8 - 35 80/60 °C 5.9 - 23.7 7.9 - 27.8 7.9 - 32.2 Rated output range for DHW heating kW 5.9 - 29.3 7.9 - 30.5 7.9 - 35.6 with natural gas H...

  • Page 147: 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: DIN 4753 EN 60 335-1 EN 483...

  • Page 148: 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 product Vitodens 200-W complies with the NO limits specified by the 1st BImSchV para- graph 7 (2) [Germany]. Allendorf, 20 January 2010 Viessmann Werke GmbH&Co KG...

  • Page 149: Keyword Index

    Keyword index Keyword index Extension kit for heating circuit with Acknowledging a fault display....91 mixer ..........113 Allocating heating circuits....132 External blocking......125 External demand......125 Boiler temperature sensor....106 Boosting DHW heating.....117 Fault codes........93 Brief scans.........84 Fault history........91 Burner gasket........19 Fault manager........36 Burner gauze assembly.....19 Fault memory.......91, 92 Burner installation......21 Faults..........91...
  • Page 150 Keyword index Keyword index (cont.) Language selection......9 Safety chain ........111 LON............35 Scanning operating conditions...83 ■ Fault monitoring......36 Scanning operating data....83 ■ Setting subscriber numbers....35 Screed drying........126 LON communication module....35 Screed drying function.....126 LON subscriber check......36 Service scanning........37 Setting the date......9, 10 Setting the time......9, 10 Manufacturer's certificate ....148 Siphon..........12, 23...

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