Viessmann WB2B Instructions d'exploitation

VIESMANNService instructionsfor contractorsVitodens 200-WType WB2B, 4.8 to 35.0 kWWall mounted gas fired condensing boilerNatural gas and LPG versionF

Setting the time and date (if required) – only for weather-compensated control unitsNote&During commissioning, or after aprolonged time out of use

Filling with the control unit switched ONIf the system is to be filled with thecontrol unit switched ON, the divertervalve will be moved to its centra

Temperature profile 2: (ZV parquet and flooring technology) code "F1:2"Temperature profile 3: Code "F1:3"Temperature profile 4: Co

Temperature profile 6: Code "F1:6"Temperature profile 7: Code "F1:15"Raising the reduced room temperatureDuring operation with red

Example using the settings in the delivered conditionA Heating curve for operation withstandard room temperatureB Heating curve for operation withredu

Example using the settings in the delivered conditionA Start of operation with standardroom temperatureB Set boiler water or flow tempera-ture in acco

Remote control DIP switch settingThe remote control affects the heatingcircuit without mixer A1The remote control affects the heatingcircuit with mixe

Air factor λ – CO2 /O2 contentAir factor λ O2 content(%)CO2 content(%) for natur-al gas ECO2 content(%) for natur-al gas LLCO2 content(%) for LPG P1.2

A1 Main PCBX... Electrical interface§ Boiler water temperature sen-sor$ Outlet temperature sensor(Gas fired condensing combiboiler)aA Ionisation elect

dÖ Stepper motor for divertervalvefJ Temperature limitergF Ignition unita-Ö Fan motora-ÖA Fan motor controlaVL Flow switch(Gas fired condensing combib

A1 Main PCB A2 Power supply unitConnection and wiring diagram – external connections109Designs5692 672 GB

3. c press this button again,"Außentemperatur" (outsidetemperature) is displayed.4. b for the required language.5. d to confirm.Checking the

A3 OptolinkA4 Burner control unitA5 Programming unitA6 Coding cardA7 Connection adaptorA8 LON communication module(Vitotronic 200)A9 Internal extensio

Spare parts informationQuote the part and serial no. (seetype plate) and the item number of therequired part (as per this parts list).Obtain standard

054 Ignition electrode block055 Ionisation electrodeParts not shown016 Special grease028 Plug-in connector retainers (set)041 Plug-in connector gasket

Parts lists (cont.)113Parts lists5692 672 GB

Parts lists (cont.)114Parts lists5692 672 GB

Parts lists (cont.)115Parts lists5692 672 GB

Parts lists (cont.)116Parts lists5692 672 GB

Setting and test va-luesSet value Commis-sioningServiceDate:By:Static pressure mbar max. 57.5 mbarSupply pressure(flow pressure)= for natural gas E mb

Rated voltage: 230 V~Rated frequency: 50 HzRated current: 6 ASafety class: IProtection:IP X 4 D toEN 60529Permissible ambient temperature&during o

Declaration of conformity for the Vitodens 200-WWe, Viessmann Werke GmbH & Co KG, D-35107 Allendorf, declare as soleresponsible body, that the pro

Gas type conversion (only for operation with LPG)1. Set adjusting screw A at the gastrain to "2".2. Switch ON system ON/OFF switch"8&qu

We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm that the pro-duct Vitodens 200-W complies with the NOx limits specified by the1st BImSc

AAcknowledging a fault display. . . . . . . 68BBoiler water temperature sensor. . . 80Boosting DHW heating. . . . . . . . . . . . . . . . . 93Brief sc

IIgnition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Ignition electrodes. . . . . . . . . . . . . . . . . . . .

1235692 672 GB

ApplicabilityGas fired condensing boiler Gas fired condensing combi boilerType WB2B Type WB2B4.8 to 19.0 kW 6.5 to 26.0 kWfrom serial no. from serial

YesIgnitionNoFault F4 Check the ignitionmodule (controlvoltage 230 Vacross plugs"X2.1" and"X2.2")YesGas train opensNoFault F4 Chec

For further details regarding faults,see page 69.Checking the static and supply pressureDangerCO build-up as a result of an incorrect burner setup can

6. Check the supply (flow) pressure.Set values:&Natural gas 20 mbar.&LPG 50 mbar.NoteUse suitable test equipment with aresolution of at least

Setting the maximum outputNoteYou can limit the maximum output for heating operation. The limit is set via themodulation range. The max. adjustable he

For balanced flue systems testedtogether with the wall mounted gasfired boiler, the requirement for atightness test during commissioningby the flue ga

1. Switch OFF the main power supplyand the ON/OFF switch at the con-trol unit.2. Close the gas shut-off valve andsafeguard against reopening.3. Pull c

Checking the burner gasket and the burner gauze assemblyCheck burner gasket A and burner gauze assembly E for damage andreplace, if required.Generally

Please follow these safety instructions closely to prevent accidents andmaterial losses.Safety instructions explainedDangerThis symbol warns against t

Checking and adjusting the ignition and ionisation electro-desA Ignition electrodes B Ionisation electrode1. Check the electrodes for wear andcontamin

1. Use a vacuum cleaner to removeresidues from the heatexchanger A inside the combus-tion chamber.2. If required, spray slightly acidic,chloride-free

Checking the condensate drain and cleaning the siphon1. Check that the condensate candrain freely at the siphon.2. Remove retaining clip A andsiphon B

Checking the diaphragm expansion vessel and system pres-sureNoteCarry out this test on a cold system.1. Drain the system, or close the capvalve on the

NoteDuring commissioning, the combustion control unit carries out an automaticcalibration. Only test the emissions approx. 30 s after the burner has s

Matching the control unit to the heating systemNoteSubject to the equipment level, the control unit must be matched to the system.Various system compo

System version 2One heating circuit without mixer A1 and one heating circuit with mixer M2(with/without DHW heating)NoteThe volume flow of the heating

System version 3One heating circuit without mixer A1 and one heating circuit with mixer M2with system separation (with/without DHW heating)1 Vitodens

System version 4One heating circuit with mixer M1 (with Vitotronic 200-H), one heating cir-cuit with mixer M2 (with extension kit) and low loss header

Adjusting the heating curves (only for weather-compensatedcontrol units)The heating curves illustrate the rela-tionship between the outside tem-peratu

Working on the system&When using gas as fuel, also closethe main gas shut-off valve andsafeguard against unauthorisedreopening.&Isolate the sy

Changing the slope and levelA Changing the slopeB Changing the level (vertical paral-lel offset of the heating curve)1. Slope:Change with coding addre

Adjusting the set room temperatureStandard room temperatureExample 1: Adjustment of standardroom temperature from 20 to 26 °CA Boiler water temperatur

2. d to select heating circuit A1(heating circuit withoutmixer)or3. a "2r" flashes.4. d to select heating circuitwith mixer M2.5. E Call up

Boiler control unit Vitotronic 200-H Vitotronic 200-H VitocomControl unit trans-mits outside tem-peratureSet code "97:2"Control unit re-ceiv

Press the following keys:1. L + d simultaneously forapprox. 2 s.The subscriber checkhas been initiated.2. a/b for the required subscri-ber.3. d Check

3. d The service display will becleared (for a weather-compensated control unit:"Acknowledge: Yes",reconfirm with d).The red fault display c

Calling up code 1Note&On weather-compensated controlunits, codes are displayed as plaintext.&Codes that are irrelevant due to thesystem equipm

OverviewCodingCoding in the delivered condition Possible changeSystem design00 :1 System version 1:1 heating circuit withoutmixer A1, without DHWheati

Coding in the delivered condition Possible changeSubscriber no.77:1 LON subscriber number 77:2to77:99LON subscriber number,adjustable from 1 to 99:1 -

Calling up code 2Note&On weather-compensated controlunits, codes are displayed as plaintext.&Codes that are irrelevant due to thesystem equipm

Commissioning, inspection, maintenanceSteps - commissioning, inspection and maintenance... 5Further details regarding

The areas are scanned in the following sequence with a/b:Function area Coding addressesSystem design 00Boiler/burner 06 to 54DHW 56 to 73General 76 to

CodingCodingCoding in the delivered condition Possible changeSystem design00 :1 System version 1:1 heating circuit withoutmixer A1, without DHWheating

Coding in the delivered condition Possible change23:0 No time interval forburner service selected23:1to23:24Interval adjustable from 1to 24 months24:0

Valueaddress32: ...Internal circu-lation pumpHeating circuitpumpHeating circuitwithout mixerHeating circuitpumpHeating circuitwith mixerCirculationpum

Valueaddress34: ...InternalcirculationpumpHeating cir-cuit pumpHeating cir-cuit withoutmixerHeating cir-cuit pumpHeating cir-cuit withmixerCirculation

Coding in the delivered condition Possible changeBoiler/burner38:0 Status burner controlunit: Operational (nofault)38:≠0 Fault burner control unit51:0

Coding in the delivered condition Possible change58:0 Without auxiliary func-tion for DHW heating58:10to58:60Input of a second setDHW temperature, adj

Coding in the delivered condition Possible change6F:... Maximum output forDHW heating in %; de-faulted by the boilercoding card6F:0to6F:100Max. output

Coding in the delivered condition Possible change7b:1 With LON communica-tion module: The controlunit transmits the time(only for weather-com-pensated

Coding in the delivered condition Possible change85:0 Standard mode 85:1 Manual calibration of thecombustion controller(only adjustable if codingaddre

For further information regarding the individual steps, see the page indicatedCommissioning stepsInspection stepsMaintenance steps Page! ! !

Coding in the delivered condition Possible change95:0 Without Vitocom 100communication inter-face95:1 With the Vitocom 100communication interface;auto

Coding in the delivered condition Possible changeA3:2 Outside temperaturebelow 1 °C: Heating cir-cuit pump "ON"Outside temperatureabove 3 °C

Coding in the delivered condition Possible changeBoiler circuit, mixer circuitA4:0 With frost protection(only for weather-com-pensated control units)A

Coding in the delivered condition Possible changeBoiler circuit, mixer circuitA6:36 Extended economyfunction disabled (onlyfor weather-compen-sated co

Coding in the delivered condition Possible changeA9:7 With pump idle time:Heating circuit pump"OFF" if the set valuechanges through achange

Parameter ad-dress b5:...With heating circuit pump logic function: Heating cir-cuit pump OFF, if1: enabled RTactual > RTset + 5 K; disabled RTactua

Coding in the delivered condition Possible changeE1:1 With remote control:The set day tempera-ture is adjustable at theremote control unit from10 to 3

Coding in the delivered condition Possible changeF6:25 In the "DHW only" oper-ating mode, the internalcirculation pump is per-manently ON (o

Coding in the delivered condition Possible changeFA:20 Raising the set boilerwater temperature orthe set flow temperaturewhen changing from op-eration

Function Key combination Exit PageTemperatures, boiler cod-ing card and brief scansPress K and G simulta-neously for approx. 2 sPress d 60Relay test P

Commissioning stepsInspection stepsMaintenance steps Page! ! !• 21. Flow limiter (only for gas combi boilers) . . . . . . . . . .

Function Key combination Exit PageResetting codes to theirdelivered conditionPress L and G simulta-neously for approx. 2 s;then e– 58Temperatures, boi

BriefscanDisplay screen2 System designs 01to 06Numberof KMBUSsubscri-bersMaximum demand temperature3 FlowswitchpositionSoftwareversionProgram-ming uni

BriefscanDisplay screenInternal circulationpumpHeating circuit pump to connection ex-tension8 Variablespeedpump0: w/o1: Wilo2: Grun-dfosSoftwareversio

Brief scan Display screenE 0: no ex-ternal de-mand1: externaldemand0: no exter-nal block-ing1: externalblockingExternal 0 to 10 V hook-upDisplay in °C

Display screen ExplanationHtg. system valve Diverter valve set to heating modeValve in middle pos. Diverter valve in central position (filling/drainin

Weather-compensated control unitPress the following keys:1. c "Select heating circuit" isdisplayed.2. d to confirm; wait approx.4 s.3. c pre

Display screen ExplanationCentr. fault ind. OFF/ON If an external extension is installedMix. valve OPEN/CLOSE If an extension kit for one heating circ

Fault display layoutA Fault displayB Fault symbolC Fault numberD Fault codeThe red fault indicator flashes forevery fault.A fault in the burner contro

&Collector sensor&Solar DHW sensor&Remote control&Fault participantChecking and acknowledging faultsNoteIf an acknowledged fault is no

Calling up fault codes from the fault memory (fault history)The 10 most recent faults are savedand may be scanned.The faults are ordered by date, thus

Filling the heating system!Please noteUnsuitable fill water increases the level of deposits and corrosion andmay lead to boiler damage.&Thoroughly

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause Measures28 X Regulateswithout flowtemperaturesensor (lowloss header)System flowt

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause Measures58 X X No DHW heat-ingCylindertemperaturesensor orcomfort sen-sor lead b

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause Measures9b X X Control mode Cylindertemperaturesensor leadbroken; con-nects to t

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause Measuresb5 X X Control modeas per deliv-ered conditionInternal fault Replace the

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause MeasuresC2 X X Control mode Communica-tion fault,solar controlunitCheck connec-t

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause Measuresdb X Control modewithout roominfluenceRoom tem-peraturesensor, heat-ing

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause MeasuresE9 X X Burner in afault stateThe ionisa-tion currentlies outsidethe perm

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause MeasuresF2 X X Burner in afault stateThe tem-perature lim-iter hasresponded.Chec

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause MeasuresF9 X X Burner in afault stateFan speedtoo low dur-ing the burn-er startC

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause MeasuresFF X X Burnerblocked or in afault stateInternal faultor "ERESET&quo

Venting the boiler1. Close the shut-off valves on theheating water side.2. Connect the drain hose betweentop valve B and a drain outlet.3. Open valves

3. Where actual values strongly devi-ate from the curve values, discon-nect the wires at the sensor andrepeat test immediately at the sen-sor.4. Subje

1.&Boiler water temperature sensor:Pull the leads from boiler watertemperature sensor A andcheck the resistance.&Cylinder temperature sensor:

Check the outlet temperature sensor or comfort sensor (gascombi boilers only)1. Disconnect the leads from outlettemperature sensor A or comfortsensor

3. Replace the sensor in case ofsevere deviation.NoteWater can leak when replacing theoutlet temperature sensor. Closethe cold water shut-off valve. D

Checking the plate-type heat exchangerF Heating returnG Cold waterH Heating flowK DHW1. Shut off and drain the boiler on itsheating water and DHW side

Checking the flue gas temperature sensorThe flue gas temperature sensor locks out the boiler when the permissible fluegas temperature is exceeded. Res

Checking the temperature limiterIf the burner control unit cannot bereset after a fault shutdown, althoughthe boiler water temperature is belowapprox.

Checking the fuse1. Switch OFF the power.2. Release the side closures andpivot the control unit down.3. Remove cover A.4. Check fuse F1 (see connectio

Then standard control moderesumes.2. Note the rotational direction of themixer motor during its self-test.Then set the mixer manually to"Open&quo

2. Change over the rotational direc-tion switch:Switch position I for central heatingreturn from the left (delivered con-dition).Switch position II fo

2. Activate the venting program viacoding address "2F:1" in code 1.NoteTo call up code 1 and for setting thecoding address, see page 36.For

Control and display elementsA Pressure gaugeB Fault indicator (red)C Optolink interfaceonly in conjunction with the diag-nostic adaptor (accessory) an

DHW heating with gas fired combi boilersIf the flow switch detects that hotwater is being extracted (> 3 l/min)then the burner, circulation pump an

C Optolink interfaceonly in conjunction with the diag-nostic adaptor (accessory) andVitosoft (accessory)D ON indicator (green)E Reset buttonF User int

DHW heating with gas fired combi boilersIf the flow switch detects that hotwater is being extracted (> 3 l/min)then the burner, circulation pump an

Internal extension H1The internal extension is integratedinto the control unit housing. The fol-lowing alternative functions can beconnected to relay

Internal extension H2The internal extension is integratedinto the control unit housing. The fol-lowing alternative functions can beconnected to relay

External extension H1The external extension is connectedto the boiler control unit via the KMBUS. The following functions can becontrolled or processe

External extension H2The external extension is connectedto the boiler control unit via the KMBUS. The following functions can becontrolled or processe

External heating program changeoverThe "External heating program chan-geover" function is connected viaexternal extension input "aVD&qu

External blockingThe "External blocking" function isconnected via external extensioninput "aVD".In coding address "32" y