Viessmann WB2B Manuel de service

Start-up/Service Instructionsfor use by heating contractorVitodens 200-W, WB2B SeriesModels WB2B 19, 26, 35Wall-mounted, gas-fired condensing boilerFo

Initial Start-up and Service10Steps1. Bleed air from boiler heat exchangerInitial start-up1. Connect hose to boiler filling tap Eand other end to a fr

Initial Start-up and Service11Steps(continued)3. Fill heating system with waterInitial start-up1. Open system isolation valves at Cand D (if installed

Initial Start-up and Service12Steps(continued)4. Check power supply connectionInitial start-upA power/pump module is supplied withthe Vitodens 200-W,

Initial Start-up and Service13Steps(continued)6. Select languageInitial start-upH When the boiler is started up for thefirst time the display appears

Initial Start-up and Service14Steps(continued)8. Convert fuel type to liquid propane gasInitial start-up1. Set adjusting screw A at the gasvalve to “2

Initial Start-up and Service15Steps(continued)10.Measure static pressure and running pressureInitial start-upService1. To measure static and/or runnin

Initial Start-up and ServiceCall for heat by control.Blower starts up.Ignition.Gas combination valve opens.Ionization current builds up / flameestabli

Initial Start-up and Service17Steps(continued)11. Set maximum inputInitial start-upH The maximum input (or output) forheating operation can be limited

Initial Start-up and Service18Steps(continued)14. Check coaxial venting system for leaks (circular air gap measurement)Initial start-upViessmann stron

Initial Start-up and Service19Steps(continued)16. Check burner gasket and cylinder assemblyServiceCheck the burner gasket A and cylinder burner assemb

Safety, Installation and Warranty Requirements2Safety, Installation and Warranty RequirementsPlease ensure that these instructions are read and unders

Initial Start-up and Service20Steps(continued)18. Clean combustion chamber/heat exchanger surfaceService1. Remove front enclosure panel (if stillinsta

Initial Start-up and Service21Steps(continued)19. Check condensate drainService1. Check that condensate can drainfreely at the siphon trap B.2. If nec

Initial Start-up and Service22Steps(continued)21. Check diaphragm expansion tank and system pressureInitial start-upServicePerform check with the syst

Initial Start-up and Service23Steps(continued)23. Check electrical connectionsInitial start-upServiceEnsure all plug-in connectors and strainreliefs m

Initial Start-up and Service24Steps(continued)25. Check CO2settingInitial start-upServiceThe Vitodens 200-W, WB2B boiler is equipped with the Lambda P

Initial Start-up and Service25Steps(continued)26. Clock natural gas meterInitial start-upServiceClock natural gas meter to verify input.1. Ensure all

Control Technology26Outdoor Reset Programming Unit(Vitotronic 200, HO1)Overview of controls and indicatorsA Pressure gageB Fault display (red)C Operat

Control Technology27Outdoor Reset Programming Unit(continued)Functional descriptionSpace heating modeThe control unit calculates a boilerwater setpoin

Control Technology28Outdoor Reset Programming Unit(continued)Heating system typesDuring initial start-up the control until must be matched to the type

Control Technology29Outdoor Reset Programming Unit(continued)Heating system types(continued)System type 4 or 5 (with or without low-loss header)Heatin

Table of Contents3PageGeneral InformationSafety, Installation and Warranty Requirements 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Control Technology30Outdoor Reset Programming Unit(continued)Heating curve adjustmentLow-temperature heating system,e.g. radiant floor heatingMedium-t

Control Technology31Outdoor Reset Programming Unit(continued)Heating curve adjustment(continued)1. To change the slopeChange with coding address “d3“

Control Technology32Outdoor Reset Programming Unit(continued)Room temperature setpoint adjustmentStandard Room TemperatureA Boiler water temperature /

Control Technology33Outdoor Reset Programming Unit(continued)Connecting the boiler control to a LON systemVitocom LON Communication Module (accessory)

Control Technology34Outdoor Reset Programming Unit(continued)Connecting the boiler control to a LON system(continued)Updating the LON participant list

Control Technology35Outdoor Reset Programming Unit(continued)Connecting the boiler control to a LON system(continued)Performing participant checkCondi

Control Technology36Outdoor Reset Programming Unit(continued)Scanning and resetting the “Service” displayThe red fault indicator flashes when the limi

Coding37Coding Level 1Accessing coding level 1Note:H All codes are displayed as plain text.H Codes that are irrelevant due to the system equipment lev

Coding38Coding Level 1(continued)Overview of coding addressesCoding addresses not discussed in this section must not be changed. See page 37for inform

Coding39Coding Level 1(continued)Overview of coding addresses(continued)Coding (factory default setting) Possible changeSummer setback (econ.) A1, M2A

General Information4Important Regulatory and Installation RequirementsCodesThe installation of this unit shall be inaccordance with local codes or, in

Coding40Coding Level 2Accessing coding level 2Note:H All codes are displayed as plain text.H Codes that are irrelevant due to the system equipment lev

Coding41Coding Level 2(continued)Overview of coding addressesCoding (factory default setting) Possible changeSystem design00 :1 System type 1, 2:1 hea

Coding42Coding Level 2(continued)Overview of coding addresses(continued)Valuecoding address32: ...Boiler pump sÖ Heating circuit pumpHeating circuitwi

Coding43Coding Level 2(continued)Overview of coding addresses(continued)Valuecoding address34: ...Boiler pump sÖ Heating circuit pumpHeating circuitwi

Coding44Coding Level 2(continued)Overview of coding addresses(continued)Coding (factory default setting) Possible changeDomestic hot water (DHW)5b:0 D

Coding45Coding Level 2(continued)Overview of coding addresses(continued)Coding (factory default setting) Possible changeGeneral7F:1 Detached house 7F:

Coding46Coding Level 2(continued)Overview of coding addresses(continued)Coding (factory default setting) Possible changeGeneral9F:8 Differential tempe

Coding47Coding Level 2(continued)Overview of coding addresses(continued)Coding (factory default setting) Possible changeBoiler circuit, mixing valve c

Coding48Coding Level 2(continued)Overview of coding addresses(continued)Coding (factory default setting) Possible changeBoiler circuit, mixing valve c

Coding49Coding Level 2(continued)Overview of coding addresses(continued)Coding (factory default setting) Possible changeBoiler circuit, mixing valve c

General Information5Important Regulatory and Installation Requirements(continued)For installations on the Commonwealth of Massachusetts, the following

CodingCoding50Coding Level 2(continued)Resetting coding addresses to the factory default setting1. Press “w“ + “rrrrw“simultaneously for approx. 2 sec

Service ScansService Scans51Service Level Overview(continued)Coding level 1Plain text displayPress “9” and “w”for approx. 2 sec.simultaneously.Press “

Service ScansService Scans52Temperatures, Boiler Coding Card and Brief Scans(continued)BriefscanDisplay screen8 8 8 8 8 84Software versionBurner contr

Service Scans53Scanning Operating Conditions and Sensors1. Press “i“. “Select heating circuit”is displayed.2. Press “ “ to confirm. Wait approx.4 sec.

Troubleshooting54DiagnosticsFault displayA Fault displayB Fault symbolC Fault numberD Fault codeThe red fault indicator flashes for every fault. A fau

Troubleshooting55Diagnostics(continued)Retrieving an acknowledged fault message1. Press “ “ for approx. 3 sec.2. Press “⊕ / “ to select theacknowledg

Troubleshooting56Diagnostics(continued)Fault codes(continued)Fault code on display System behavior*1Cause Corrective action40 Mixing valve closes Heat

Troubleshooting57Diagnostics(continued)Fault codes(continued)Fault code on display System behavior*1Cause Corrective actionbA Mixing valve regulates t

Troubleshooting58Diagnostics(continued)Fault codes(continued)Fault code on display System behavior*1Cause Corrective actionE8 Burner in fault mode The

Troubleshooting59Diagnostics(continued)Fault codes(continued)Fault code on display System behavior*1Cause Corrective actionF2 Burner in fault mode Fix

General Information6About these Start-up/Service InstructionsTake note of all symbols and notations intended to draw attention to potential hazards or

Troubleshooting60Corrective ActionCheck outdoor temperature sensor1. Pull plug ”X3” from the control unit.2. Test the resistance of the outdoortempera

Troubleshooting61Corrective Action(continued)Check boiler temperature sensor, tank temperature sensor orsupply temperature sensor of the low-loss head

Troubleshooting62Corrective Action(continued)Check fixed high limitCheck the fixed high limit, if the burner control cannot be reset after a faultshut

Troubleshooting63Corrective Action(continued)Check accessory kit for heating circuit with mixing valveChecking the rotational direction of the mixing

Additional Information64Control FunctionsExternal heating program changeoverThe ”External heating program changeover” function is connected via input”

Additional Information65Control Functions(continued)Air bleed programDuring the air bleed program, the circulation pump will be alternately switched O

Additional Information66Control Functions(continued)Reducing the heat-up timeDuring the transition from operation with reduced room temperature tooper

Additional InformationCall for heatWater-flowclosedIgnitionCombinationgas valveFlame signalFan speedFan controlModulationset pointPhaseSequence12 3456

Additional Information68Wiring DiagramSee legend for this wiring diagram on next page.5418 911 v1.6NGLLGN LGNLGNLGNNGLTLGN12 31 2 3123NNGLLG1 23BLBNNG

Additional Information69Wiring Diagram(continued)5418 911 v1.6A1 Main PCB (GC130 Ignition Module)A2 Internal Power Supply UnitA3 OptolinkA4 Burner Con

General InformationGeneral Information7ApplicabilityWhen ordering replacement parts,provide either the 16-digit boiler serialnumber (on the bar code l

Additional Information70Parts ListsOrdering Replacement Parts:Please provide model no. from ratingplate and serial no. when orderingreplacement parts.

Additional Information71Parts Lists(continued)Parts001 Air vent w shut-off base, 3/8”002 Heating supply connection pipefor heat exchanger003 Heating s

Additional Information72Parts Lists(continued)Parts008 Pressure gage, PSI080 Control console081 Back cover, control console082 Fastening clip(set of 1

Additional Information73Maintenance RecordSetpoint valuemax.14 “w.c.4-14 ”w.c.111-14 “w.c.50 ppm air-free*min. 5 AServicedate:by:Servicedate:by:Servi

Additional Information74Technical DataBoiler Model Model No. WB2B- 19 26 35Natural gas / Liquid propane gasCSA inputCSA output/DOE*1heating capacityMB

Additional Information75Technical Data(continued)Boiler Model Model No. WB2B- 19 26 35DimensionsOverall depthOverall widthOverall heightHeight with fl

Additional Information76Lighting and Operating Instructions5418 911 v1.6FOR YOUR SAFETY READ BEFORE OPERATINGW A R N I N G: If you do not follow these

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General Information8Mechanical RoomDuring the early stages of designing a new home, we recommend that proper consideration be given to constructing as

805418 911 v1.6Printed on environmentally friendly(recycled and recyclable) paper.Technical information subject to change without notice.5418 911 v1.6

General Information9Removing Front Enclosure PanelSome of the following start-up/servicesteps require the removal of the frontenclosure panel. To avoi