Viessmann WS3A Instructions d'exploitation

VIESMANNService instructionsfor heating engineersVitodens 333Type WS3ACompact gas fir ed condens ing boiler4.2 to 13 kW natural gas version6.6 to 26 k

Pivot d own the control unit for commissioning and mainte-nance workA Control unitB ClosuresC FlapD Retaining frame1. Open flap C.2. Release side clos

External d emandThe "External de mand" function isconnected via the external extensioninput "aVD".In coding addr ess "34"

Screed functionThescreedfunctionenablesthedry-ing of screed. For this, alwaysobserve the details s pecified by thescreed manufactur er.You can select

Temperature profile: Diagram 4 code "F1:4"Temperature profile: Diagram 5 code "F1:5"Temperature profile: Diagram 6 code "F1:6

Raising the reduced room temperatureDuring operation with reduced roomtemperatur e, the reduced s et roomtemperature can be automaticallyraised subjec

Reducing the heat-up timeDuring the transition from operationwith reduced room tem perature intooperation wit h standard room tem -perature, the boile

The DIP switches ar e located on the PCB in the t op part of the housing .Remote control DIP switch settingThe remote control affects the heatingcircu

A1 Main PCBX... Electrical interf aces§ Boiler water temperat ure sen-sor$ Draw-off temperature sensor% Cylinder temperature sensoraA Ionisation elect

fJ ThermocouplegF Ignition devicea-ÖAFanmotoraNF Differential pressure s ensorConnection and wiring diagram – internal . . . (cont.)107Designs5692 619

A1 Main PCB A2 Power supply unitConnection and wiring diagram – external connections108Designs5692 619 GB

A3 OptolinkA4 Burner control unitA5 Programming unitA6 Coding cardA7 Connection adaptorA8 Communication module LONA9 Internal extension H1 or H2S1 ON/

Checking the gas typeNoteIn the delivered condition, the Vitodens 333 is set up for natural gas E.The boiler can be operated in the Wobbe index range

Spare parts informationQuote the part an d serial no. (se e type plate) and th e item no. of the r equiredpart (as per this parts list).Obtain standar

125 Fuse holder151 Outside temperature sensor152 Cylinder t emperature senso r153 Flue gas temperature sensor154 Thermocou ple155 Temperature sensor20

Parts lists (cont.)112Parts lists5692 619 GB

Parts lists (cont.)113Parts lists5692 619 GB

Parts lists (cont.)114Parts lists5692 619 GB

Parts lists (cont.)115Parts lists5692 619 GB

Parts lists (cont.)116Parts lists5692 619 GB

Setting and test values Set value Initialstart-upMainte-nance/ser-viceDate:By:Static pressure mbar max.57.5 mbarSupply pressure (flowpressure)= for na

Rated voltage 230 V~Rated frequency 50 Hz~Rated current 6 A~Protection cl ass IProtection IP X 4 D toEN 60529Permissible ambient temperature&durin

Declaration o f conformity for the Vitodens 333We, Viessmann Werke GmbH & Co KG, D-35107 Al lendorf, confirm as soleresponsible b ody that the p r

Gas restrictor allocationRated output kW 13 26Gas restrictor, int ernal 7Gas&Natural gas E mm 4.8 5.95&Natural gas LL mm 5.3 6.73&LPG P mm

We, Viessmann Werke GmbH & Co KG, D-35107 Alle ndorf, confirm that theVitodens 333 product meets the NOx limits specified by thefirst BImSchV § 7

AAcknowledgin g a fault disp lay... 70Adjusting the room temperature... 34Anode repla cement... 22Anode testing...

OOutlet temperat ure sensor... 82Outside temperature sensor... 79PParts list... 110Plate-type he at e

1235692 619 GB

ApplicabilityCompact gas fir ed condens ing boilerType WS3A4.2to13kWfrom serial no.7190 613 ...6.6to26kWfrom serial no.7190 614 ...124Printed on envir

YesGas combinationvalve opensNoFault F4 Check the gascombination valve(control voltage230 V); check thegassupplypres-sureYesIonisation cur-rent builds

1. Clos e the gas shut-off v alve.2. Releas e screw A inside test nip-ple "PE" on the gas combinationvalve, but do not remove it; thenconnec

8. Shut down the boiler, close the gasshut-off valve, remove the pressuregauge and close test nipple Awith the screw.9. Open the ga s shut-off valve a

We recommend that your heating engineer carries out a simple leak test duringthe commissioni ng of your system. For this it would be su fficient to ch

Removing the burner and checking the burner gasket(replace ga sket every two years)A NutsB Differential pressure sensorC Burner gasketD Gas supply pip

6. Check t he burner gask et C fordamage.Generally replace the burner gas-ket every 2 years.Checking the burner gauze assemblyReplace the bur ner gauz

Checking and adjusting the ignition and ionisation electro-desA Ignition electro des B Ionisation elec trodeC Gasket1. Check electrodes A and B forwea

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

Cleaning the combustion chamber/heating surfaces and fit-ting the burner1. If required, clean the combustionchamber and he ating surfaces Awithabrusho

Checking the condensate drain and cleaning the siphon1. Check that the condensate canfreely drain at siphon A.2. Remov e the retaining c lip and thesi

Cleaning the DHW cylinderNoteDIN 1988 requires a visual inspection and (if necessary) cleaning every twoyears after the cylinder has been taken into u

Returning the DHW cylinder to useA Flange lidB GasketC Earth cableD Push-on tab1. Reconnect the DHW cylinder to thepipework.2. Insert new gasket B un

Flue gas emissions testThe Vitodens 333 is set up in the factory for natural gas E and can, with the aidof a conversion kit, be conve rted to natural

5. Record the actual value onpage 117 of the commissioning/service repor t.6. Sele ct the upper rated outpu t.Constant temperature controlunit:Press K

Checking the ionisa tion currentA Adaptor line (accessories)1. Connect the test instrumentaccording to the adjacent diagram.2. Adjusting the upper out

5. Record the actual value in the ser-vice report on page 117.Matching the control unit to the heating systemNoteThe control unit must be matched to t

Required codingOperation with LPG 1E:1System version 2One heating circuit with mixer M2 and a low loss header! Outside temperature sensor? Flow temper

System version 3One heating circuit without mixer A1 and one heating circuit with mixer M2! Outside temperature sensor? Flow temperature s ensorsÖ Hea

Workingonthesystem&When using g as as fuel, also c losethe main gas shut‐off valve andsafeguard against unauthorisedreopening.&Isolate the sys

System version 4One heating circuit without mixer A1, one heating circuit with mixer M2and system separation! Outside temperature sensor? Flow tempera

System version 5One heating circuit with mixer M2 (with extension kit), one heating c ircuitwith mixer (with the Vitotronic 050) and low loss header!

Adjusting the heating curves (only for control units forweather-compensated ope ration)The heating curves illustrate the rela-tionship between t he ou

Changing slope and levelA Changing the s lopeB Changing the level (vertical par al-lel offset of the heating curve)1. Change the slope with codingaddr

Adjusting the set room temperatureStandard room temperatureExample 1: Adjustment of the stan-dard room temperature from 20 °C to26 °CA Boiler water te

Reduced room temperatureExample 2: Ad justment of the re ducedroom temperature fro m 5 °C to 14 °CA Boiler water temperature or flowtemperature in °CB

Updating the LON user listNoteOnly possible i f all users are con nected and the co ntrol unit is pro grammed tobe fault manager (code "79:1"

Implementing a user check (in conjunction with the LON sys-tem with a weather-compensated control unit)Communication with the system devices connected

Scanning and resetting the "maintenance" displayThe red fault indicator flashes when the limits set via coding addresses "21" and&

Calling up code 1Note&On weather-compensated controlunits, codes are displayed as plaintext.&Codes which are irrelevant (due tothe system equi

Initial start-up, inspection, maintenanceSteps – initial start-up, inspection and maintenance ... 5Further details re

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

Coding in the delivered condition Possible changeSlope A1/M2d3:14 Heating curve slope =1.4 (only for wea ther-compensated controlunits)d3:2tod3:35Heat

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

Coding in the delivered condition Possible change23:0 No time interval forburner maintena nce23:1to23:24Interval adjustable from 1to 24 months24:0 No

Coding Internal circu-lation pumpHeating circuitpumpHeating circuitwithout mixerHeating circuitpumpHeating circuitwith mixerCylinder pri-mary pump0 Co

Coding Internal circu-lation pumpHeating circuitpumpHeating circuitwithout mixerHeating circuitpumpHeating circuitwith mixerCylinder pri-mary pump7 Co

Coding in the delivered condition Possible changeDomestic hot water56:0 Set DHW temperatureadjustable from 10 to60 °C56:1 Set DHW temperatureadjustabl

Coding in the delivered condition Possible change71:0 DHW circulation pump:"ON" subject to DHWtime program (for theVitotrol 300, separateswi

Coding in the delivered condition Possible change7b:1 Without LON communi-cation module (onl y forweather-compensatedcontrol units)7b:0 Do not send ti

Coding in the delivered condition Possible change91:0 No external heating pro-gram chang eover viaexternal extension (onlyfor weather-compen-sated con

For further info rmation regar ding indiv idual steps, see t he pages indi cated.Commissioning stepsInspection stepsMaintenance steps Page!!!

Coding in the delivered condition Possible change9C:20 Monitoring LON users.If a user fails to re-spond, the val ues de-faulted inside thecontrol unit

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

Coding in the delivered condition Possible changeHeating circuit A1/M2A4:0 With frost protection(only for weather-co m-pensated control units)A4:1 No

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

Coding in the delivered condition Possible changeA9:7 With pump idle period:Heating circuit pump"OFF" when the setvalue chang es throughacha

Parameter ad-dress b5:...With heating circuit pump logic function:Heating circuit pump "OFF" Heating circuit pump "ON"1RTActual &g

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

Coding in the delivered condition Possible changeE9:45 Speed of the ex ternalvariable speed heatingcircuit pump: 45 % ofthe maximum s peed inreduced t

Coding in the delivered condition Possible changeF8:– 5 Temperature limit forterminating the reducedmode -5 ºC, see ex am-pleonpage103.Observe the set

Coding in the delivered condition Possible changeHeating circuit M2F1:0 Screed drying functiondisabled (only forweather-compensatedcontrol units)F1:1t

Commissioning stepsInspection stepsMaintenance steps Page!!!•• 20. Checking the condensate drain and cleaning thesiphon...

Press the follo wing keys:1. L + G simultaneously forapprox. 2s2. e "Basic settings? Yes" isdisplayed.3. d to confirmor4. a/b to select &quo

Function Key combination Exit PageTemperatu res, boiler c od-ing card, bri ef scansK and G si multaneousl yfor approx. 2 sPress d 62Relay test K and d

Function Key combination Exit PageResetting codes to thedelivered conditionL and G si multaneousl yfor approx. 2 s; press e– 60Temperatures, boiler co

Display screenBrief scan4 0 Burner contr ol unit type Boiler type5 0 0 Set cylinder temperatureb 0 0 Max. output i n %C 0 Boiler coding card (hexadeci

Display screen ExplanationSet mixed flow temp.Actual mixed flow temp.Low loss headerLow loss headerBoiler coding cardBriefscan1to8Display screenBriefs

Display screenBriefscanBoiler Heating circuit A1(w/o mixer)Heating circuit M2(with mixer)7 0 0 Remotecontrol0: w/o1: Vitotr-ol 2002: Vitotr-ol 300Soft

Display screen Explanation2 Burner mod ulation f ull load3 Internal pump / output 20 "ON"4 Heating mode diverter valve5 Valve, centre positi

Constant temperature control unitsPress the follo wing keys:1. c2. a/b for the required operatingcondition.3. d End scan.Subject to the actual equipme

Display screen ExplanationReturn day DateOutside temperature, ... °C Actual valueBoiler water temperature,... °CActual valueFlow temperature, ... °C A

Fault display structureA Fault displayB Fault symbolC Fault numberD Fault codeThe red fault ind icator flashes fo r every fault.A fault in the burner

Filling the heating system!Please noteUnsuitable fil l water increases the level of depo sits and corrosio n andmay lead to boiler damage.&Thoroug

&Room temperature se nsor&Fault - userChecking and acknowledging faultsNoteIf an acknowledg ed fault is not remove d, the fault message wi ll

The10mostrecentfaultsaresavedand may be scanned.The faults are ordere d according todate, thus the most recent fault is faultnumber 1.1. G + d simulta

Faultcode inthe dis-playConst. Weath.-comp.System char-acteristicsCause Remedy30 X X BurnerblockedBoiler watertemperaturesensorshorted outCheck the bo

Faultcode inthe dis-playConst. Weath.-comp.System char-acteristicsCause Remedy92 X X Control mode Collectortemperaturesensorshorted outCheck sensor93

Faultcode inthe dis-playConst. Weath.-comp.System char-acteristicsCause Remedyb4 X X Controls as ifthe outsidetemperaturewas 0 °CInternal fault Replac

Faultcode inthe dis-playConst. Weath.-comp.System char-acteristicsCause RemedyC2 X X Control mode Communica-tion fault -solar controlunitCheck the con

Faultcode inthe dis-playConst. Weath.-comp.System char-acteristicsCause RemedyCF X C ontrol mode Commun ica-tion fault -LON com-municationmoduleReplac

Faultcode inthe dis-playConst. Weath.-comp.System char-acteristicsCause RemedyE6 X X Burner fa ult Flue gas/ventilationsystemblockedCheck the fluegas/

Faultcode inthe dis-playConst. Weath.-comp.System char-acteristicsCause RemedyF8 X X Burner fault The fuelvalve closestoo lateCheck the gascombination

Checking the outside temperature sensor (weather-compen-sated control unit)1. Pull plug "X3" off the control unit.2. Test the r esistance of

Venting the boiler1. Clos e the shut-off valves on th e pri-mary side.2. Connect the drain hose on valveA with a drain outlet.3. Open valve A andfillv

Check the boiler temperature sensor, cylinder primary tem-perature s ensor or flow temperature sensor for the low lossheaderA Boiler water temperature

% Plug for the cylinder primary tem-perature sensor1.&Boiler water temperature sen-sorPull the leads off the boiler tem-perature sensor and check

Check the outlet temperature s ensor1. Pull the l eads off the outlet tem-perature sensor A.2. Check the sensor resistance andcompare it wi th the cur

1. Pull th e leads off the flue gas tem-perature sensor A.2. Check the sensor resistance andcompare it wi th the curve.3. Repl ace the sensor in ca se

A Compression fittingsB ScrewsC Plate-type heat exchanger1. Shut off and drain the boiler on theprimary and the s econdary side .2. Rele ase the side

1. Pull th e leads off the temperatu relimiter.2. Check the continuity of the tem-perature limiter with a multimeter.3. Remove the faulty temperature

Checking O-rings:A O-ringsB SensorC Plug-in connectionD Adaptor1. Pull off electrical plug C.2. Remove sensor B by pulling itupwards.3. Ensure that bo

Checking the fuse1. Switch OFF the power.2. Rele ase the side clo sures andpivot the control unit down.3. Remove the cover.4. Check the fuse F1 (see c

Extension kit for heating circuit with mixerChecking the rotat ional direction ofthe mixer motor1.Switch the ON/OFF switch A atthe extension kit f irs

&Switch position I for central heatingreturn from the left (delivered condi-tion).&Switch position II for central heatingreturn from the right

Filling the siphon with water1. Remov e the retaining c lip andsiphon A.2. Fillthesiphonwithwater.3. Fit the siphon A an d secure withthe retainin g c

Controls and display elementsA Pressure gaugeB Fault display (red)C ON indicator (green)D Reset buttonE Control panel:O Set boiler water tem-peratureF

Heating the DHW storage cylinder from coldThe heating circuit pump is switchedON and the three- way diverter valv ewill be changed over, if the cylind

Controls and display elementsA Pressure gaugeB Fault display (red)C ON indicator (green)D Reset buttonE Control panel:A Time program, centralheatingB

Heating modeThe control unit dete rmines a set boi l-er water temperature subject t o theoutside tempera ture or room tempera-ture (if a room temperat

The heating circu lation pump isswitched ON and the three-way diver-ter valve is change d over, if the cylin-der primary temperature s ensorcaptures a

Internal extension H1The interna l extension H1 is inte-grated into the control unit casing.The cylinder primary pump is con-nected to relay output sK

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

External e xtension H1 (accessories)The external extension is connectedto the boiler control unit via the KMBUS. The follo wing functions can b econtr

External e xtension H2 (accessories)The external extension is connectedto the boiler control unit via the KMBUS. The follo wing functions can b econtr

External heating program changeoverThe "Ext. heating program changeover" function is connected via the externalextension input "aVD&quo