Viessmann Vitotronic 300 GW6B Manuel d'installation

Please file in Service Binder5693 982 - 04 02/2015VITOTRONIC r 300Vitotronic 300 Type GW2B Weather-compensated, digital boiler control unitsFor use

Vitotronic 300, GW2B Installation and Service5693 982 - 0410Preparing for InstallationSystem Example 1 (continued)Electrical installation schemeMain P

Vitotronic 300, GW2B Installation and Service5693 982 - 04100Code 2“General” Group (continued)Coding in the factory set condition Possible change4d:1C

1015693 982 - 04Vitotronic 300, GW2B Installation and Service“General” Group (continued)Code 2Coding in the factory set condition Possible change5E:0

Vitotronic 300, GW2B Installation and Service5693 982 - 04102“General” Group (continued)Code 2Coding in the factory set condition Possible change78:1

1035693 982 - 04Vitotronic 300, GW2B Installation and Service“General” Group (continued)Code 2Coding in the factory set condition Possible change88:0

Vitotronic 300, GW2B Installation and Service5693 982 - 04104“General” Group (continued)Code 2Coding in the factory set condition Possible change97:2

1055693 982 - 04Vitotronic 300, GW2B Installation and Service“General” Group (continued)Code 2Coding in the factory set condition Possible change9A:0C

Vitotronic 300, GW2B Installation and Service5693 982 - 04106“Boiler” Group Code 2CodingCoding in the factory set condition Possible change02:1 Two -s

1075693 982 - 04Vitotronic 300, GW2B Installation and Service“Boiler” Group (continued)Code 2Coding in the factory set condition Possible change0C:0 N

Vitotronic 300, GW2B Installation and Service5693 982 - 04108“Boiler” Group (continued)Code 2Coding in the factory set condition Possible change1F:0 W

1095693 982 - 04Vitotronic 300, GW2B Installation and Service“DHW” GroupCode 2Coding in the factory set condition Possible change55:0 DHW tank heating

115693 982 - 04Vitotronic 300, GW2B Installation and ServicePreparing for InstallationSystem Example 1 (continued)Main PCB LV connections

Vitotronic 300, GW2B Installation and Service5693 982 - 04110“DHW” Group (continued)Code 2Coding in the factory set condition Possible change66:4 Inpu

1115693 982 - 04Vitotronic 300, GW2B Installation and Service“Solar” GroupCode 2CodingCoding in the factory set condition Possible change00:8 The sola

Vitotronic 300, GW2B Installation and Service5693 982 - 04112“Solar” Group (continued)Code 2Coding in the factory set condition Possible change0A:5 To

1135693 982 - 04Vitotronic 300, GW2B Installation and Service“Solar” Group (continued)Code 2Coding in the factory set condition Possible change20:0 No

Vitotronic 300, GW2B Installation and Service5693 982 - 04114“Solar” Group (continued)Code 2Coding in the factory set condition Possible change25:50 S

1155693 982 - 04Vitotronic 300, GW2B Installation and Service“Heating Circuit 1”, “Heating Circuit 2”, “Heating Circuit 3” GroupCode 2Note: If a valu

Vitotronic 300, GW2B Installation and Service5693 982 - 04116“Heating Circuit 1”, “Heating Circuit 2”, “Heating Circuit 3” Group (continued)Code 2Codi

1175693 982 - 04Vitotronic 300, GW2B Installation and Service“Heating Circuit 1”, “Heating Circuit 2”, “Heating Circuit 3” Group (continued)Code 2Para

Vitotronic 300, GW2B Installation and Service5693 982 - 04118“Heating Circuit 1”, “Heating Circuit 2”, “Heating Circuit 3” Group (continued)Code 2Codi

1195693 982 - 04Vitotronic 300, GW2B Installation and Service“Heating Circuit 1”, “Heating Circuit 2”, “Heating Circuit 3” Group (continued)Code 2Codi

Vitotronic 300, GW2B Installation and Service5693 982 - 0412Preparing for InstallationSystem Example 1 (continued)Mixing valve extension PCBWiring dia

Vitotronic 300, GW2B Installation and Service5693 982 - 04120Connection and Wiring Diagram, Type GW2BOverviewDesignsLegendA1 PCB, extension for heat

1215693 982 - 04Vitotronic 300, GW2B Installation and ServiceConnection and Wiring Diagram, Type GW2B (continued)PCB 120V~DesignsLegendsÖ Heating ci

Vitotronic 300, GW2B Installation and Service5693 982 - 04122Connection and Wiring Diagram, Type GW2B (continued)DesignsPCB low voltageLegend! Outsi

1235693 982 - 04Vitotronic 300, GW2B Installation and ServiceConnection and Wiring Diagram, Type GW2B (continued)DesignsLegend? Supply temperature s

Vitotronic 300, GW2B Installation and Service5693 982 - 04124ComponentsBoiler water, DHW tank, supply (Therm-Control sensor), return and room temperat

1255693 982 - 04Vitotronic 300, GW2B Installation and ServiceSensors (continued)ComponentsViessmann NTC 10 kΩ1. Pull plug !.2. Check the sensor resis

Vitotronic 300, GW2B Installation and Service5693 982 - 04126Extension Kit, Mixing ValveComponents: H Mixing valve motor, with 13 ft. (4.0 m) connecti

1275693 982 - 04Vitotronic 300, GW2B Installation and ServiceComponents Extension EA1 Accessory (optional)The DHW recirculation pump is started by clo

Vitotronic 300, GW2B Installation and Service5693 982 - 04128Parts ListsType GW2B0045 Contact temperature sensor with plug (supply temperature sensor

1295693 982 - 04Vitotronic 300, GW2B Installation and ServiceType GW2B (continued)Parts Lists

135693 982 - 04Vitotronic 300, GW2B Installation and ServicePreparing for InstallationSystem Example 2Single boiler system: Boiler with shunt pump for

Vitotronic 300, GW2B Installation and Service5693 982 - 04130SpecificationsRated voltage 120V~Rated frequency 60 HzRated current 2 x 6APower

1315693 982 - 04Vitotronic 300, GW2B Installation and Service

Technical information subject to change without notice. Printed on environmentally friendly (recycled and recyclable) paper.5693

Vitotronic 300, GW2B Installation and Service5693 982 - 0414Preparing for InstallationSystem Example 2 (continued)Equipment requiredPos. Description1B

155693 982 - 04Vitotronic 300, GW2B Installation and ServicePreparing for InstallationSystem Example 2 (continued)Equipment requiredPos. DescriptionqU

Vitotronic 300, GW2B Installation and Service5693 982 - 0416Preparing for InstallationSystem Example 2 (continued)Electrical installation schemeMain P

175693 982 - 04Vitotronic 300, GW2B Installation and ServicePreparing for InstallationSystem Example 2 (continued)Main PCB LV connections

Vitotronic 300, GW2B Installation and Service5693 982 - 0418Preparing for InstallationSystem Example 2 (continued)Mixing valve extension PCBRequired c

195693 982 - 04Vitotronic 300, GW2B Installation and ServicePreparing for InstallationSystem Example 3Single boiler system: Boiler with shunt pump and

Vitotronic 300, GW2B Installation and Service25693 982 - 04GeneralSafety, Installation and Warranty RequirementsPlease ensure that these instructions

Vitotronic 300, GW2B Installation and Service5693 982 - 0420Preparing for InstallationSystem Example 3 (continued)Equipment requiredPos. Description1B

215693 982 - 04Vitotronic 300, GW2B Installation and ServicePreparing for InstallationSystem Example 3 (continued)Equipment requiredPos. DescriptionqI

Vitotronic 300, GW2B Installation and Service5693 982 - 0422Preparing for InstallationSystem Example 3 (continued)Electrical installation schemeMain P

235693 982 - 04Vitotronic 300, GW2B Installation and ServicePreparing for InstallationSystem Example 3 (continued)Main PCB LV connections

Vitotronic 300, GW2B Installation and Service5693 982 - 0424Preparing for InstallationSystem Example 3 (continued)Mixing valve extension PCBRequired c

255693 982 - 04Vitotronic 300, GW2B Installation and ServicePreparing for InstallationSystem Example 4Single boiler system with VitocrossalHydraulic i

Vitotronic 300, GW2B Installation and Service5693 982 - 0426Preparing for InstallationSystem Example 4 (continued)Equipment requiredPos. Description1B

275693 982 - 04Vitotronic 300, GW2B Installation and ServicePreparing for Installation System Example 4 (continued)Equipment requiredPos. Descriptionq

Vitotronic 300, GW2B Installation and Service5693 982 - 0428Preparing for InstallationSystem Example 4 (continued)Electrical installation schemeMain P

295693 982 - 04Vitotronic 300, GW2B Installation and ServicePreparing for InstallationSystem Example 4 (continued)Main PCB LV connections

35693 982 - 04Vitotronic 300, GW2B Installation and ServiceGeneralPreparing for Installation Control Unit InstallationInstallation SequenceSafety, Ins

Vitotronic 300, GW2B Installation and Service5693 982 - 0430Preparing for InstallationSystem Example 4 (continued)Mixing valve extension PCBRequired c

315693 982 - 04Vitotronic 300, GW2B Installation and ServiceControl Unit Installation1. Fasten the metal backplate to the mounting surface with fo

Vitotronic 300, GW2B Installation and Service5693 982 - 0432Control Unit Installation Fitting the Control Unit FrontLegend A Cable retaining tab1. Sn

335693 982 - 04Vitotronic 300, GW2B Installation and ServiceControl Unit Installation1. Remove the junction box cover screws and remove the cover

Vitotronic 300, GW2B Installation and Service5693 982 - 0434Overview of Electrical ConnectionsInstallation SequenceExtension for heating circuits 2 an

355693 982 - 04Vitotronic 300, GW2B Installation and Service Overview of Electrical Connections (continued)Legend A Vitotronic 300 GW2BB Junction bo

Vitotronic 300, GW2B Installation and Service5693 982 - 0436 Pump Connection OverviewPumps 120VRated current: 2A~* Maximum output 6FLA shared between

375693 982 - 04Vitotronic 300, GW2B Installation and Service Inserting Cables and Applying Strain ReliefInstallation SequenceLegend A Cables with moul

Vitotronic 300, GW2B Installation and Service5693 982 - 0438Installation SequenceAdjusting the Fixed High Limit (if required)When adjusting the fixed

395693 982 - 04Vitotronic 300, GW2B Installation and Service Changing the Adjustable High Limit (if required)Note: Excessive DHW temperatures can dam

Table of Contents4 Page5693 982 - 04Vitotronic 300, GW2B Installation and ServiceInstallation SequenceCommissioningService ScansTroubleshootingFunctio

Vitotronic 300, GW2B Installation and Service5693 982 - 0440Installation SequencePower SupplyWARNINGThe control must be grounded.Ensure that “L”, “N”

415693 982 - 04Vitotronic 300, GW2B Installation and Service120V pumps with an amperage draw of >2FLA208/460/575V 3 phase pumps 240V single phase p

Vitotronic 300, GW2B Installation and Service5693 982 - 0442 Connecting ActuatorsAvailable connectionsgS A1 Motor for 3-way mixing valve, primary stor

435693 982 - 04Vitotronic 300, GW2B Installation and Service Connection of Low Water Cut-off Device 150CAUTIONThe diagram shown is only a simplified c

Vitotronic 300, GW2B Installation and Service5693 982 - 0444Installation Sequence Connections to Terminal aBA WARNINGThe terminals should be used for

455693 982 - 04Vitotronic 300, GW2B Installation and ServiceInstallation Sequence Vitotronic 100, GC1 with 30% LTP Package (VD2 only)30% LTP Package c

Vitotronic 300, GW2B Installation and Service5693 982 - 0446External Demand via Switching ContactInstallation SequencePlug aVHExtension EA1LegendA Flo

475693 982 - 04Vitotronic 300, GW2B Installation and ServiceOptional connections: H Plug abÖ (See page 44) H Plug aVD H Extension EA1 (accessory, see

Vitotronic 300, GW2B Installation and Service5693 982 - 0448External “Mixing Valve Closed”/”Mixing Valve Open” Installation SequenceLegendA External “

495693 982 - 04Vitotronic 300, GW2B Installation and ServiceExternal Heating Program ChangeoverInstallation SequencePreselected heating program (Conta

5 Page5693 982 - 04Vitotronic 300, GW2B Installation and ServiceTable of ContentsConnection and Wiring Diagram, Type GW2B...120Sensors...

Vitotronic 300, GW2B Installation and Service5693 982 - 0450Connection of Combustion Air DeviceIMPORTANTConnection of the Combustion Air Device Adapto

515693 982 - 04Vitotronic 300, GW2B Installation and ServiceInstallation Sequence Burner Connection, Burner Control WiringFor burners with plug-in con

Vitotronic 300, GW2B Installation and Service5693 982 - 0452Installation Sequence Burner Connection, Burner Control Wiring (continued)LegendA Vitotr

535693 982 - 04Vitotronic 300, GW2B Installation and ServiceInstallation SequenceCAUTIONThe control must be grounded. Ensure that “L”, “N” and “G” are

Vitotronic 300, GW2B Installation and Service5693 982 - 0454Installation Sequence Burner Connection, Motor Power Supply (continued)LegendA Burner mot

555693 982 - 04Vitotronic 300, GW2B Installation and ServiceInstallation Sequence Burner Connection, Motor Power Supply (continued)Burner motor power

Vitotronic 300, GW2B Installation and Service5693 982 - 0456Testing the High Limit Safety Cut-out1. Hold down the “TEST” key until the burner has shu

575693 982 - 04Vitotronic 300, GW2B Installation and ServiceMatching the Coding Addresses to the System VersionCheck the following coding addresses an

Vitotronic 300, GW2B Installation and Service5693 982 - 0458CommissioningMatching the Coding Addresses to the System Version (continued)Matching codin

595693 982 - 04Vitotronic 300, GW2B Installation and Service Checking Actuators and Sensors (continued)CommissioningDisplay Explanation“Burner stage 1

Vitotronic 300, GW2B Installation and Service5693 982 - 046Preparing for InstallationDesignations in the System ExamplesIn the following system exampl

Vitotronic 300, GW2B Installation and Service5693 982 - 0460Settings in the factory set condition: H Slope = 1.4 H Shift = 0The heating curves illustr

615693 982 - 04Vitotronic 300, GW2B Installation and ServiceIndividually adjustable for each heating circuit.The heating curve is offset along the axi

Vitotronic 300, GW2B Installation and Service5693 982 - 0462Adjusting Heating Curves (continued)Extended menu:1. 2. “Heating”3. Select heating circui

635693 982 - 04Vitotronic 300, GW2B Installation and ServiceCommissioningConnecting the Control Unit to the LON Carrying out a LON participant check a

Vitotronic 300, GW2B Installation and Service5693 982 - 0464CommissioningMaking the LON ConnectionThe Viessmann LON system is designed for the “Line”

655693 982 - 04Vitotronic 300, GW2B Installation and ServiceCalling up the Service MenuService ScansServiceDiagnosisActuator testCoding level 1Brief s

Vitotronic 300, GW2B Installation and Service5693 982 - 0466Operating data can be scanned in six areas (see “Diagnosis” in the overview “Service menu”

675693 982 - 04Vitotronic 300, GW2B Installation and ServiceBrief Scan (continued)Service ScansFor an explanation of the relevant values in the indivi

Vitotronic 300, GW2B Installation and Service5693 982 - 0468When the limits specified in the “Boiler” group have been reached via coding addresses “1

695693 982 - 04Vitotronic 300, GW2B Installation and ServiceFault Display (continued)TroubleshootingFault codesDisplayed fault codeSystem characterist

75693 982 - 04Vitotronic 300, GW2B Installation and Service System Example 1Preparing for InstallationSingle boiler system: Boiler with Therm-ControlH

Vitotronic 300, GW2B Installation and Service5693 982 - 0470TroubleshootingFault Display (continued)Displayed fault codeSystem characteristics Cause M

715693 982 - 04Vitotronic 300, GW2B Installation and ServiceTroubleshootingFault Display (continued)Displayed fault codeSystem characteristics Cause M

Vitotronic 300, GW2B Installation and Service5693 982 - 0472TroubleshootingFault Display (continued)Displayed fault codeSystem characteristics Cause M

735693 982 - 04Vitotronic 300, GW2B Installation and ServiceFault Display (continued)TroubleshootingDisplayed fault codeSystem characteristics Cause M

Vitotronic 300, GW2B Installation and Service5693 982 - 0474Fault Display (continued)TroubleshootingDisplayed fault codeSystem characteristics Cause M

755693 982 - 04Vitotronic 300, GW2B Installation and ServiceTroubleshootingFault Display (continued)Displayed fault codeSystem characteristics Cause M

Vitotronic 300, GW2B Installation and Service5693 982 - 0476TroubleshootingFault Display (continued)Displayed fault codeSystem characteristics Cause M

775693 982 - 04Vitotronic 300, GW2B Installation and ServiceBoiler Water Temperature ControlFunctionsThe boiler water temperature is captured by the f

Vitotronic 300, GW2B Installation and Service5693 982 - 0478Boiler Water Temperature Control (continued)Permanent switching hysteresisCode “04:0”Heat

795693 982 - 04Vitotronic 300, GW2B Installation and ServiceFunction DescriptionBoiler Water Temperature Control (continued)FunctionThe Therm-Control

Vitotronic 300, GW2B Installation and Service5693 982 - 048Preparing for InstallationSystem Example 1 (continued)Equipment requiredPos. Description1Bo

Vitotronic 300, GW2B Installation and Service5693 982 - 0480Boiler Water Temperature Control (continued)Function DescriptionReturn temperature raising

815693 982 - 04Vitotronic 300, GW2B Installation and ServiceHeating Circuit ControlFunction DescriptionBrief description H Type GW2B:

Vitotronic 300, GW2B Installation and Service5693 982 - 0482Heating Circuit Control (continued)Function DescriptionExtended economy modeThe heating ci

835693 982 - 04Vitotronic 300, GW2B Installation and ServiceHeating Circuit Control (continued)Differential temperature:The differential temperature i

Vitotronic 300, GW2B Installation and Service5693 982 - 0484Heating Circuit Control (continued)Control sequenceMixing valve circuitThe mixing valve mo

855693 982 - 04Vitotronic 300, GW2B Installation and ServiceDHW Tank Temperature ControlFunctionsTime programAn automatic or an individual time progra

Vitotronic 300, GW2B Installation and Service5693 982 - 0486DHW Tank Temperature Control (continued)Frost protectionThe DHW tank will be heated to 68°

875693 982 - 04Vitotronic 300, GW2B Installation and ServiceDHW Tank Temperature Control (continued)Code “55:1” in the “DHW” group, adaptive DHW tank

Vitotronic 300, GW2B Installation and Service5693 982 - 0488Calling up Coding Level 11. Press OK and simultaneously for approx. 4 sec.2. “Coding le

895693 982 - 04Vitotronic 300, GW2B Installation and Service“General” Group Code 1CodingCoding in the factory set condition Possible changeSystem desi

95693 982 - 04Vitotronic 300, GW2B Installation and ServiceEquipment requiredPos. DescriptionAccessoriesqI Connection to safety equipment aBÖ (see pag

Vitotronic 300, GW2B Installation and Service5693 982 - 0490“General” Group (continued)Code 1Coding in the factory set condition Possible changeServom

915693 982 - 04Vitotronic 300, GW2B Installation and Service“Boiler” Group Code 1CodingCoding in the factory set condition Possible changeBurner Type0

Vitotronic 300, GW2B Installation and Service5693 982 - 0492“Solar” GroupCode 1Only in conjunction with solar control module, type SM1.CodingCoding in

935693 982 - 04Vitotronic 300, GW2B Installation and Service“Heating Circuit 1”, “Heating Circuit 2”, “Heating Circuit 3” GroupCode 1Parameter address

Vitotronic 300, GW2B Installation and Service5693 982 - 0494“Heating Circuit 1”, “Heating Circuit 2”, “Heating Circuit 3” Group (continued)Code 1Codin

955693 982 - 04Vitotronic 300, GW2B Installation and Service“Heating Circuit 1”, “Heating Circuit 2”, “Heating Circuit 3” Group (continued)Code 1Codin

Vitotronic 300, GW2B Installation and Service5693 982 - 0496“Heating Circuit 1”, “Heating Circuit 2”, “Heating Circuit 3” Group (continued)Code 1Codin

975693 982 - 04Vitotronic 300, GW2B Installation and ServiceCalling up Coding Level 21. Press OK and simultaneously for approx. 4 sec.2. Press OK an

Vitotronic 300, GW2B Installation and Service5693 982 - 0498CodingCoding in the factory set condition Possible change00:1 One heating circuit A1 (heat

995693 982 - 04Vitotronic 300, GW2B Installation and Service“General” Group (continued)Code 2Coding in the factory set condition Possible change12:5 W