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VIESMANN
Service instructions
for contractors
Vitodens 200-W
Type WB2C, 45 and 60 kW
Wall mounted gas condensing boiler
Natural gas and LPG version
For applicability, see the last page
VITODENS 200-W
Please keep safe.
5692 843 GB
1/2010

Summary of Contents

  • Page 1

    VIESMANN Service instructions for contractors Vitodens 200-W Type WB2C, 45 and 60 kW Wall mounted gas condensing boiler Natural gas and LPG version For applicability, see the last page VITODENS 200-W Please keep safe. 5692 843 GB 1/2010...

  • 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..................41 General/Group "1"....................42 Boiler/Group "2"....................44 DHW/Group "3"....................45 Solar/Group "4"....................46 Heating circuit 1, heating circuit 2, heating circuit 3/Group "5"......47 Code 2 Calling up coding level 2..................

  • Page 5

    Index Index (cont.) Parts lists......................137 Commissioning/service reports ..........................142 Specification....................... 143 Certificates Declaration of conformity..................144 Manufacturer's certificate according to the 1st BImSchV [Germany]....144 Keyword index....................145...

  • Page 6: Table Of Contents

    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: Table Of Contents

    Commissioning, inspection, maintenance Steps - commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • • 21. Checking the condensate drain and cleaning the siphon................24 • • 22. Checking the neutralising system (if installed) • • 23. Checking the diaphragm expansion vessel and system pressure.............

  • Page 8: Further Details Regarding The Individual Steps, Opening The Boiler

    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): – Vitodens 200-W to 45 kW: 16.8 °dH (3.0 mol/m –...

  • Page 10: Venting The Boiler By Flushing, Weather-compensated Control Units, Weather-compensated Control Units

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Venting the boiler by flushing 1. Close the shut-off valves on the heat- ing water side. 2. Connect the drain hose at boiler drain & fill valve B (on the connection set, accessories or on-site).

  • Page 11: Venting The Heating System, Filling The Siphon With Water

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. "Time / Date" 4. Set current time and date. Venting the heating system 1. Close the gas shut-off valve and 3. "Venting" switch the control unit ON. 4. Terminating venting program: 2.

  • Page 12: Compensated Control Units, Checking The Gas Type

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Designating heating circuits – only for weather-compensated control units In the delivered condition, the heating Enter names for heating circuits: circuits are designated "Heating circuit 1", "Heating circuit 2" and "Heating cir- Operating instructions cuit 3"...

  • Page 13: Gas Type Conversion (only For Operation With Lpg), Code, Function Sequence And Possible Faults

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Gas type conversion (only for operation with LPG) 1. Set adjusting screw A at the gas train to "2". 2. Switch ON/OFF switch "8" ON. 3. Select the gas type in coding address "82": ■...

  • Page 14

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Ignition Fault EE Check the ignition module (control voltage 230 V across plugs "X2.1" and "X2.2") Gas train opens Fault EE Check the gas train (control voltage 230 V); check the gas supply pres- sure Ionisation current...

  • 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 95. 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.) 5. Start the boiler. Note During commissioning, the boiler can enter a fault state because of airlocks in the gas line. After approx. 5 s, press R to reset the burner. 6.

  • Page 17: Setting The Maximum Output

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Supply (flow) pres- Supply (flow) Measures sure for natural pressure for LPG below 15 mbar below 42.5 mbar Do not start the boiler. Notify your gas supply utility or LPG supplier. 15 to 25 mbar 42.5 to 57.5 mbar Start the boiler.

  • Page 18

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the balanced flue system for 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: Removing The Burner And Checking The Burner Gasket

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Removing the burner and checking the burner gasket...

  • Page 20

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Switch OFF the main power supply 6. Release gas supply pipe fitting H. and the ON/OFF switch at the control unit. 7. Undo six screws K and remove the burner.

  • Page 21: Required

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the burner gauze assembly & replacing if required D 4x B 3x 1. Remove electrodes A. 5. Insert a new burner gauze assembly with a new gasket and secure with 2.

  • Page 22: Electrodes, And Installing The Burner

    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 23

    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.

  • Page 24: Siphon, System Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. If required, spray slightly acidic, 6. Check the gas connections for tight- chloride-free cleaning agents based ness. on phosphoric acid (e.g. Antox 75 E) onto heat exchanger A and let the Danger solution soak in for approx.

  • Page 25: Pressure, Flue Gas Emissions Test

    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 a cooled system is 0.1 to 0.2 bar higher than the pre-charge pressure of the diaphragm expansion vessel.

  • Page 26

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Selecting the upper/lower output for weather-compensated control units: 1. Press OK and å simultaneously for approx. 4 s. 2. "Actuator test" 3. Select the lower output: Select "Start base load" and confirm with OK.

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

    ■ For coding steps, see page 41. 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 28

    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 29

    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 30

    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 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: 4605141_1001_01 1 Vitodens 200-W qW Extension kit for one heating circuit 2 Outside temperature sensor with mixer M2...

  • Page 32

    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

    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 for limiting the...

  • Page 34

    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- Note ship between the outside temperature If the heating system includes heating and the boiler water or flow tempera- circuits with mixers, then the flow tem-...

  • Page 35

    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 36

    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 offset of the heating curve) A Boiler water temperature or flow...

  • Page 37

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Reduced room temperature C Set room temperature in °C 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 38

    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 39: 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 40: 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 41: 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 42: General/group "1

    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"...

  • Page 43

    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 44: Boiler/group "2

    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 45: Dhw/group "3

    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 "Service" display 24:1 "Service" display (the address is automatically set and must be manually reset after a service has...

  • Page 46: Solar/group "4

    Code 1 Solar/Group "4" Select "Solar" for weather-compensated control units (see page 41). Select "4" for constant temperature control units (see page 41). Note The solar group is only displayed if a solar control module, type SM1, is connected. Coding Coding in the delivered condition Possible change Speed control collector pump...

  • Page 47: 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 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 48

    Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding Coding in the delivered condition Possible change DHW priority 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- cable to mixer...

  • Page 49

    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) switched OFF and the...

  • Page 50

    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 51

    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 limited to from 10 to 127 °C (limited 74 °C (only for weather- C6:127 by boiler-specific parame- compensated control...

  • Page 52

    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 53

    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 the "Standby" operat- F7:0 In the "Standby" operating ing mode, the circulation mode, the circulation pump pump in the heating cir- in the heating circuit con- cuit connection set is per-...

  • Page 54

    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; one step ≙ 2 min ture or the set flow tem- Fb:150 perature (see coding...

  • Page 55: 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 56

    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 57

    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 58

    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 36:2 Function output aBJ: DHW circulation pump 3A:0 Function input DE1 at 3A:1 Function input DE1: Heat- extension EA1: No func- ing program changeover...

  • Page 59

    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: No func- ing program changeover tion 3b:2 Function input DE2: Exter- nal demand with set flow temperature.

  • Page 60

    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: No func- ing program changeover tion 3C:2 Function input DE3: Exter- nal demand with set flow temperature.

  • Page 61

    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 62

    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 63

    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 64

    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 65

    Code 2 Boiler/Group "2" Select "Boiler" for weather-compensated control units (see page 55). Select "2" for constant temperature control units (see page 55). Coding Coding in the delivered condition Possible change 01:1 Single boiler system (only 01:2 Multi-boiler system with for constant temperature Vitotronic 300-K control units)

  • Page 66

    Code 2 Boiler/Group "2" (cont.) Coding in the delivered condition Possible change 2E:0 Without external exten- 2E:1 With external extension H1 sion H1 or H2 or H2 (automatic recogni- tion) 2F:0 Venting program/fill pro- 2F:1 Venting program enabled gram disabled 2F:2 Fill program enabled 30:1...

  • Page 67

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

  • Page 68

    Code 2 DHW/Group "3" (cont.) Coding in the delivered condition Possible change 62:2 Circulation pump with 62:0 Circulation pump without 2 min run-on time after run-on cylinder heating 62:1 Run-on time adjustable from 1 to 15 min 62:15 63:0 Without auxiliary function 63:1 Auxiliary function: 1 x daily for DHW heating (only for...

  • Page 69

    Code 2 Solar/Group "4" Select "Solar" for weather-compensated control units (see page 55). Select "4" for constant temperature control units (see page 55). Note The solar group is only displayed if a solar control module, type SM1, is connected. Coding Coding in the delivered condition Possible change 00:8...

  • Page 70

    0 to 40 K. the actual cylinder tem- perature and set cylinder temperature is less than 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).

  • Page 71

    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 72

    Code 2 Solar/Group "4" (cont.) Coding in the delivered condition Possible change 11:50 Set solar cylinder temper- 11:10 The set cylinder tempera- ature 50 °C. ture for solar is adjustable ■ Target temperature 11:90 from 10 to 90 °C control switched ON (code 10:1): Temperature at which the solar heated water...

  • Page 73

    Code 2 Solar/Group "4" (cont.) Coding in the delivered condition Possible change 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 control 2 for central heating backup...

  • Page 74

    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 75

    Code 2 Solar/Group "4" (cont.) Coding in the delivered condition Possible change 25:50 Stop temperature for the 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 the thermostat function ≤...

  • Page 76

    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 77

    Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change 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- cable to mixer A2:3...

  • Page 78

    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 selec- ted.

  • Page 79

    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) switched OFF and the mixer closed at a variable...

  • Page 80

    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 81

    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 82

    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 83

    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 84

    Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change F6:25 In the "DHW only" oper- F6:0 In the "DHW only" operat- ating mode, the circula- ing mode, the circulation tion pump in the heating pump in the heating circuit circuit connection set is connection set is perma-...

  • Page 85

    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 86: Diagnosis And Service Scans Calling Up The Service Menu, Diagnosis

    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 87

    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 88

    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 89

    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: w/o Remote 0: w/o Remote 0: w/o...

  • Page 90

    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 schemes 1 Control unit version flow switch to 2 Program- (only for ming unit combi boil- ers) Software Software version...

  • Page 91

    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 92: Checking Outputs (relay Test)

    Diagnosis and service scans Diagnosis (cont.) Brief scan Display Solar cen- Output 22 tral heating switching backup state 0: not ena- 0: OFF bled 1: ON 1: enabled Open Therm extension (if installed) Software DHW heat- External hook-up 0 - 10 V version ing status Display in %...

  • Page 93

    Diagnosis and service scans Checking outputs (relay test) (cont.) Display Explanation Open mixer HC3 "Mixer open" output enabled (extension to heating circuit with mixer) Close mixer HC3 "Mixer closed" output enabled (extension to heating cir- cuit with mixer) Start outp. int. exten. H1 Output at internal extension enabled Start AM1 output 1 Output A1 at extension AM1 enabled...

  • Page 94

    Diagnosis and service scans Checking outputs (relay test) (cont.) Display Explanation Solar circuit pump output at solar control module SM1 switched to minimum speed Solar circuit pump output at solar control module SM1 switched to maximum speed Output sS at solar control module SM1 enabled Contacts P - S at plug aBJ for extension EA1 closed Output A1 at extension AM1 enabled Output A2 at extension AM1 enabled...

  • Page 95: Fault Display

    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 and "Fault" is shown. Select "Fault" in the standard menu. The current faults will be displayed in a list.

  • Page 96

    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. (subject to the type of fault) " " or " " If an acknowledged fault is not remedied, flash on the programming unit display.

  • Page 97: Fault Codes

    Troubleshooting Fault codes Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Regulates as if Short circuit, Check the outside the outside outside tem- temperature sen- temperature perature sen- sor (see were 0 °C page 109) Regulates as if Lead break, Check the outside the outside...

  • Page 98

    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 99

    Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Lead broken, Check sensor / temperature on the solar control sensor / module Control mode Lead broken, Check sensor aÖ temperature on the solar control sensor aÖ...

  • Page 100

    Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner blocked Short circuit, Check the flue gas flue gas tem- temperature sen- perature sen- Control mode Communica- Check connections as per deliv- tion error, and replace the ered condition programming...

  • Page 101

    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 132)

  • Page 102

    Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode, Communica- Check setting of max. pump tion error, coding address speed external vari- "E5" able speed heating circuit pump, heat- ing circuit 2 (with mixer) Control mode, Communica-...

  • Page 103

    Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Input DE1 Check connection fault at exten- to input DE1 sion EA1 Control mode Input DE2 Check connection fault at exten- to input DE2 sion EA1 Control mode Input DE3...

  • Page 104

    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 3 heating circuit and remote control 3 (with mixer) settings (see page 132)

  • Page 105

    Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Heat draw-off Initiate a heat state repeatedly draw-off. Switch too low during the boiler OFF and calibration ON again. Press reset button Burner in a fault The ionisa- Check the ionisa-...

  • Page 106

    Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault The flame is Check the gas sup- state lost immedi- ply (gas pressure ately after it and gas flow lim- has built (dur- iter), check the flue ing the safety...

  • Page 107

    Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault The fuel valve Check the gas state closes too train. Check both late control paths. Press reset button Burner in a fault Fan speed Check the fan, the state...

  • Page 108

    Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner blocked Boiler coding Press reset button or in a fault card or main R. Replace boiler state PCB faulty coding card or con- trol unit if the fault persists.

  • Page 109: Repairs

    Troubleshooting Repairs Checking the outside temperature sensor (weather-compensa- ted control unit)

  • Page 110

    Troubleshooting Repairs (cont.) 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. 3. Where actual values deviate severely from the curve values, disconnect the wires at the sensor and repeat test on the sensor itself.

  • Page 111

    Troubleshooting Repairs (cont.) Checking the boiler water temperature sensor, the cylinder tem- perature sensor or the flow temperature sensor for the low loss header...

  • Page 112

    Troubleshooting Repairs (cont.) 1. ■ Boiler water temperature sensor: Pull the leads from boiler water temperature sensor A and check the resistance. ■ Cylinder temperature sensor: Pull plug % from the cable harness at the control unit and check the resistance.

  • Page 113

    Troubleshooting Repairs (cont.) 1. Pull the leads from temperature lim- 4. Install a new temperature limiter. iter A. 5. After commissioning, press reset but- ton R on the control unit. 2. Check the continuity of the tempera- ture limiter with a multimeter. 3.

  • Page 114

    Troubleshooting Repairs (cont.) Checking the fuse 1. Switch OFF the power. 3. Remove cover A. 2. Release the side closures and pivot 4. Check fuse F1 (see connection and the control unit down. wiring diagram).

  • Page 115

    Troubleshooting Repairs (cont.) 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" The rotary selector on the PCB of the again.

  • Page 116

    Troubleshooting Repairs (cont.) 3. Refit the casing cover. Checking the Vitotronic 200-H (accessories) The Vitotronic 200-H is connected to the control unit via the LON. To test the con- nection, carry out a subscriber check at the boiler control unit (see page 38).

  • Page 117: Constant Temperature Control Unit

    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 to 82 °C.

  • Page 118: Weather-compensated Control Unit

    Function description Weather-compensated control unit Boiler temperature 48 °C Heating Solar energy Information Select with 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 to 82 °C.

  • Page 119: 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 120

    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 121: External Extensions (accessories)

    Function description External extensions (accessories) Extension AM1 fÖA Power supply terminal for addi- Circulation pump Circulation pump tional accessories fÖ Power supply [terminals] aVG KM BUS...

  • Page 122

    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 123

    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 124

    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 125: Control Functions

    Function description External extensions (accessories) (cont.) Output aBJ Function assignment The following functions can be connec- Select the function of output aBJ via ted to output aBJ: code 36 at the boiler control unit. ■ Feed pump to substation ■ DHW circulation pump ■...

  • Page 126

    Function description Control functions (cont.) Heating program changeover Code Changeover towards "Permanently reduced" or "Permanent d5:0 standby" mode (subject to the selected set value) Changeover towards "Constant heating mode" d5:1 The duration of the heating program changeover can be adjusted in coding address "F2": Heating program changeover Code...

  • Page 127

    Function description Control functions (cont.) External demand The "External demand" function is con- The function is selected via the following nected via extension EA1. There are 3 codes: inputs available at extension EA1 (DE1 to DE3). External demand Code Input DE1 3A:2 Input DE2 3b:2...

  • Page 128

    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 129

    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 130

    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 131

    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 132: Assigning The Heating Circuits To The Remote Control, Electronic Combustion Controller

    Function description Assigning the heating circuits to the remote control The heating circuit assignment 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...

  • 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: Connection And Wiring Diagram – Internal Connections

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

  • Page 135: 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 136

    Designs Connection and wiring diagram – external… (cont.) Connection adaptor sÖ Heating circuit pump or boiler cir- LON communication module or cuit pump cascade communication module Flow switch Internal extension (accessories) Gas solenoid valve ON/OFF switch fÖ Power supply [terminals] Reset button Power supply accessories and X...

  • Page 137: Parts Lists

    Parts lists Parts lists Spare parts information 062 Gasket A 16x24x2 (set) Quote the part and serial no. (see type 063 Gas nozzle plate) and the item number of the 064 Venturi extension type 4 required part (as per this parts list). 100 Control unit Obtain standard parts from your local 101 Back cover...

  • Page 138

    Parts lists Parts lists (cont.) 204 Touch-up paint stick, Vitowhite 303 Operating instructions for weather- 300 Installation instructions compensated mode 301 Service instructions A Type plate 302 Operating instructions for constant temperature mode...

  • Page 139

    Parts lists Parts lists (cont.)

  • Page 140

    Parts lists Parts lists (cont.)

  • Page 141

    Parts lists Parts lists (cont.)

  • Page 142

    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 143: 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 Safety class: setting: 100 °C (fixed) IP X 4 D to Line fuse (mains): max. 16 A Protection: EN 60529 Permissible ambient temperature...

  • Page 144: Declaration Of Conformity, Manufacturer's Certificate According To The 1st Bimschv [germany]

    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 145: Keyword Index

    Keyword index Keyword index Acknowledging a fault display....95 Fault codes........97 Fault history........95 Fault manager........38 Boiler water temperature sensor ..111 Fault memory.......95, 96 Boosting DHW heating.....119 Faults..........95 Brief scans.........87 Filling the system.........9 Burner gauze assembly.....21 Fill water..........9 Burner installation......22 Function descriptions.......117 Burner removal........19 Function testing........92 Fuse..........114...

  • Page 146

    Keyword index Keyword index (cont.) Screed drying function.....127 Opening the boiler........8 Siphon..........11, 24 Output setting........17 Small softening system......9 Outside temperature sensor....109 Specification ........143 Standard room temperature....36 Static pressure........15 Parts list...........137 Supply pressure.........15 System pressure........9 System schemes......27, 41 Reduced room temperature....37 Reduced room temperature raising.

  • Page 148

    Applicability Vitodens 200-W, type WB2C 17 to 45 kW 17 to 60 kW from serial no. from serial no. 7438 087 0 00001 7438 089 0 00001 Viessmann Werke GmbH&Co KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0...

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