Viessmann VITODENS 333 Instructions d'exploitation

VIESMANNService instructionsfor contractorsVitodens 333-FType WS3CCompact gas fired condensing boiler3.8 to 26 kW natural gas and LPG versionFor appli

Venting the boiler1. Close the shut-off valves on theheating water side.2. Connect the drain hose on valveA with a drain.3. Open valve A and the fill

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

Heating the DHW primary cylinder from coldThe heating circuit pump is switchedON and the three-way diverter valvewill be changed over, if the cylinder

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

The electronic temperature limiterinside the burner control unit limits theboiler water temperature to 82 °C.Heating the DHW primary cylinder from col

The cylinder primary pump and thethree-way diverter valve remain ONfor a further 30 s.Internal extensions for external connectionsInternal extension H

Internal extension H2 (accessories)The internal extension H2 is inte-grated into the control unit casinginstead of the internal extension H1.The cylin

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

3. Check the system pressure.Pivoting down the control unit for commissioning and main-tenance work1. Open flap D.2. Turn both screws A down.3. Releas

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 interfaces§ Boiler water temperature sen-sor$ Outlet temperature sensorConnection and wiring diagram – internal connections

aA Ionisation electrodeaG Flue gas temperature sensordÖ Stepper motor for divertervalvefJ ThermocouplegF Ignition unita-Ö Fan motora-ÖA Fan motor cont

A1 Main PCB A2 Power supply unitConnection and wiring diagram – external connections119Designs5692 682 GB

Filling the siphon with water1. Remove cap panel A.2. Pull retaining clip B off.3. Pull filler pipe C upwards.4. Pull off lute D downwards.5. Fill sip

A3 OptolinkA4 Burner control unitA5 Programming unitA6 Coding cardA7 Connection adaptorA8 LON communication moduleA9 Internal extension H1S1 ON/OFF sw

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

123 PCB adaptor, LON module(accessories)125 Fuse holder126 Internal extension H1150 Water pressure sensor151 Outside temperature sensor152 Cylinder te

Parts lists (cont.)123Parts lists5692 682 GB

Parts lists (cont.)124Parts lists5692 682 GB

Parts lists (cont.)125Parts lists5692 682 GB

Parts lists (cont.)126Parts lists5692 682 GB

Parts lists (cont.)127Parts lists5692 682 GB

Parts lists (cont.)128Parts lists5692 682 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

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

Rated voltage 230 VRated frequency 50 HzRated current 6 AProtection class IProtection IP X 4 D toEN 60529Permissible ambient temperature&during op

Declaration of conformity for the Vitodens 333-FWe, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm as soleresponsible body that the produc

We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm that the pro-duct Vitodens 333-F complies with the NOx limits specified by the1st BImSc

AAcknowledging a fault display. . . . . . . 76Anode checking. . . . . . . . . . . . . . . . . . . . . . . . . . . 27Anode replacement. . . . . . . . .

IIgnition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Ignition electrodes. . . . . . . . . . . . . . . . . . . .

Keyword index (cont.)135Keyword index5692 682 GB

ApplicabilityCompact gas fired condensing boilerType WS3C from serial no.3.8 to 13 kW 7246 897 ...3.8 to 19 kW 7246 898 ...5.2 to 26 kW 7246 899 ...13

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

Gas type conversion (only for operation with LPG)1. Set adjusting screw A at the gastrain to "2".2. Switch ON/OFF switch "8" ON.3.

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 75.Checking the static and supply pressureDangerCO build-up as a result of an incorrect burner setup can

7. Record the actual value in the ser-vice report on page 129.Take the action shown in the follow-ing table.8. Shut down the boiler, close the gasshut

2. K + F press simultaneously:A value flashes on thedisplay (e.g. "85") and"A" appears. In thedelivered condition, thisvalue repre

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

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

Removing the burner and checking the burner gasket(replace gasket every 2 years)1. Switch OFF the main power supplyand the ON/OFF switch at the con-tr

5. Release four nuts G and removethe burner.!Please notePrevent damage to the wiregauze.Never rest the burner on thegauze assembly.6. Check burner gas

4. Insert a new burner gauze assem-bly with a new gasket and securewith three nuts.NoteTorque: 4 NmChecking and adjusting the ignition and ionisation

Cleaning the heat exchanger and fitting the burner!Please noteScratches on parts that are in contact with flue gas can lead to corrosion.Never use bru

Checking the condensate drain and cleaning the siphon1. Check that the condensate candrain freely at the siphon.2. Pull retaining clip A off.3. Pull f

Testing the anode earth current with an anode testerNoteWe recommend that the magnesium anode function is checked annually. Thisfunction test can be c

1. Drain the primary cylinder.2. Remove flange lid A.3. Disconnect the primary cylinderfrom the pipework to prevent con-tamination from entering the p

Returning the primary cylinder into use1. Reconnect the primary cylinder tothe pipework.2. Insert new gasket B underneathflange lid A.3. Fit the flang

Checking the diaphragm expansion vessel and system pres-sureNoteCarry out this test on a cold system.1. Drain the system, until the pressuregauge indi

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

Checking all gas equipment for tightness at operating pres-sureDangerEscaping gas leads to a risk ofexplosion.Check gas equipment for tight-ness.Locki

4. Close flap D.Checking the combustion qualityThe electronic combustion control unit automatically ensures an optimum com-bustion quality. Only the c

Weather-compensated controlunit:K + d press simultaneously:"Relay test" and then"Base load" is shown.4. Check the CO2 content. Sho

System version 1One heating circuit without mixer A11 Vitodens 333-F2 Outside temperature sensor (onlyfor weather-compensated controlunits)3 Vitotrol

System version 2One heating circuit with mixer M2 and a low loss header1 Vitodens 333-F2 Outside temperature sensor3 Heating circuit with mixer M24 Te

System version 3One heating circuit without mixer A1 and one heating circuit with mixer M21 Vitodens 333-F2 Outside temperature sensor3 Heating circui

System version 4One heating circuit without mixer A1, one heating circuit with mixer M2and system separation1 Vitodens 333-F2 Outside temperature sens

System version 5One 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

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

Commissioning, inspection, maintenanceSteps - commissioning, inspection and maintenance... 6Further details regarding

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

Fitting the front panelsFurther details regarding the individual steps (cont.)45Commissioning, inspection, maintenance5692 682 GB

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

Coding in the delivered condition Possible changeMax. boiler water temp.06:... Maximum limit of theboiler water tempera-ture, defaulted in °C bythe bo

Coding in the delivered condition Possible changeLevel A1/M2d4:0 Heating curve level = 0(only for weather-com-pensated control units)d4:–13tod4:40Heat

NoteHeating systems with one heating circuit without mixer and one heating circuitwith mixer:Initially, the possible coding addresses "A0" t

Keyword index ... 133Index (cont.)5Index5692 682 GB

Coding in the delivered condition Possible change0E:0 System pressure belowmaximum value0E:1 Max. system pressureexceeded during opera-tion. Fault mes

Coding in the delivered condition Possible change28:0 No burner interval igni-tion28:1to28:24Time interval adjustablefrom 1 to 24 h. The burn-er is fo

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

Valueaddress34: ...Internal circu-lation pumpHeating circuitpumpHeating circuitwithout mixerHeating circuitpumpHeating circuitwith mixerCirculationpum

Coding in the delivered condition Possible changeDHW56:0 Set DHW temperatureadjustable from 10 to60 °C56:1 Set DHW temperatureadjustable from 10 toabo

Coding in the delivered condition Possible changeGeneral76:0 Without LON communi-cation module (only forweather-compensatedcontrol units)76:1 With LON

Coding in the delivered condition Possible change81:1 Automatic summer/win-ter time changeover81:0 Manual summer/wintertime changeover81:2 Use of the

Coding in the delivered condition Possible change97:0 With LON communica-tion module: The out-side temperature of thesensor connected to thecontrol un

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 changeHeating circuit A1/M2A4:0 With frost protection(only for weather-com-pensated control units)A4:1 No f

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

Coding in the delivered condition Possible changeHeating circuit A1/M2A6:36 Extended economyfunction disabled (onlyfor weather-compen-sated control un

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 circuit pump "OFF" Heating circuit pump "ON"1 RTactual &

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 changeE9:45 Speed of the variablespeed heating circuitpump: 45 % of the maxi-mum speed in reducedtemperatur

Coding in the delivered condition Possible changeF7:25 In "Standby mode", theinternal circulationpump is permanentlyON (only for constanttem

Coding in the delivered condition Possible changeFb:30 Duration for raising theset boiler water tem-perature or the set flowtemperature (see cod-ing a

Function Key combination Exit PageTemperatures, boiler cod-ing card, brief scansPress K and G for ap-prox. 2 s simultaneouslyPress d 68Relay test Pres

Function Key combination Exit PageResetting codes to theirdelivered conditionPress L and G simulta-neously for approx. 2 s;then e– 66Temperatures, boi

Brief scan Display screen5 0 0 Set cylinder temperatureb 0 0 Max. output in %C 0 Boiler coding card (hexadecimal)c 0 VersionEquipmentVersionBurner con

Commissioning stepsInspection stepsMaintenance steps Page! ! !• • 21. Checking the neutralising system (if installed)• 22. Testin

Display screen ExplanationMixed flow temp. setMixed flow temp. actualLow loss headerLow loss headerBoiler coding cardBrief scan 1 to 8BriefscanDisplay

BriefscanDisplay screenBoiler Heating circuit A1(without mixer)Heating circuit M2(with mixer)7 0 0 Remotecontrol0 w/o1 Vitotr-ol 2002 Vitotr-ol 300Sof

Display screen Explanation4 Diverter valve set to heating mode5 Diverter valve in central position (filling/draining)6 Diverter valve set to DHW mode1

Constant temperature control unitPress the following keys:1. c press.2. a/b for the required operatingcondition.3. d Scanning is completed.The followi

Display screen ExplanationStandardroom temperature, ... °CSet valueRoom temperature, ... °C Actual valueExt. set room temp, ... °C For external hook-u

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

&Remote control&Fault participantChecking and acknowledging faultsNoteIf an acknowledged fault is notremoved, the fault message will be re-dis

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

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

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause Measures59 X X No DHW heat-ingOutlet tem-peraturesensor leadbrokenCheck sensors(

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 MeasuresA9 X The burner op-erates at itslower output ifa heating cir-cuit with m

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause MeasuresbC X Control modewithout remotecontrolCommunica-tion fault –Vitotrol re-

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause MeasuresC7 X X Control mode,max. pumpspeedCommunica-tion fault –external vari-ab

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

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause MeasuresEA 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 MeasuresF8 X X Burner in afault stateThe fuelvalve closestoo late.Check the gast

Faultcodeon thedisplayConst. weath.-comp.System char-acteristicsCause MeasuresFE X X Burnerblocked or in afault stateBoiler codingcard or mainPCB faul

2. Test the resistance of the outsidetemperature sensor across term-inals "X3.1" and "X3.2" on the dis-connected plug and compare

Checking the boiler temperature sensor, cylinder tempera-ture sensor or flow temperature sensor for the low lossheaderRepairs (cont.)89Troubleshooting

3. Fill the heating system via the boil-er fill & drain valve A in the heat-ing return (at the connection set oron site). (minimum system pres-sur

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

Checking the outlet temperature sensor1. Pull the leads from outlet tempera-ture sensor A.2. Check the sensor resistance andcompare it with the curve.

1. Pull the leads from flue gas tem-perature sensor A.2. Check the sensor resistance andcompare it with the curve.3. Replace the sensor in case ofseve

Checking the plate-type heat exchangerDrain the boiler on its heating waterand DHW side.During removal, small amounts ofwater may trickle out and esca

1. Pull the leads from temperaturelimiter A.2. Check the continuity of the tem-perature limiter with a multimeter.3. Remove the faulty temperature lim

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

Calling up coding addresses1. Press L and G simultaneouslyfor approx. 2 s; confirm with d.2. Select required coding address"11" with a or b;

Coding in the delivered condition Possible change85:0 Standard mode 85:1 Manual calibration of thecombustion control unit.The red fault indicatoralso