Viessmann GW2 Manuel de service

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VITOTRONIC 300
Installation and
Service Instructions
Vitotronic 300, Model GW2
Outdoor-reset logic digital boiler and
heating circuit control unit
Certified as a component part
of Viessmann boilers only
Read and save these instructions
for future reference.
IMPORTANT
for use by heating contractor
5285 941 v1.5 05/2012
Please file in Service Binder
Vue de la page 0
1 2 3 4 5 6 ... 145 146

Résumé du contenu

Page 1 - Service Instructions

1VITOTRONIC 300Installation andService InstructionsVitotronic 300, Model GW2Outdoor-reset logic digital boiler andheating circuit control unitCertifie

Page 2 - IMPORTANT

Heating system types10Heating system types for modulating boilers (continued)System type 2 – Single-boiler system with shunt pump and return valve for

Page 3 - Product Information

Additional information1A100System components (continued)Outdoor temperature sensorThe outdoor temperature sensor should be mounted 2 to 2.5 metres / 6

Page 4 - Start-up

Additional information101System components (continued)Boiler temperature sensor, Part No. 7450 632 and DHW tank temperature sensor, Part No. 7450 633E

Page 5 - Functional description

Additional information102System components (continued)Strap-on temperature sensor and immersion temperature sensorFor measuring the supply temperature

Page 6

Additional information103System components (continued)Strap-on temperature sensor and immersion temperature sensorFor measuring the return temperature

Page 7

Additional information104System components (VD2/VD2A/CT3 only)(continued)Flue gas temperature sensor, Part No. 7450 630 AccessorySee page 48 for CM2 f

Page 8 - Circuit Diagram 1

Additional information105System components (continued)Installation examplesIn the as delivered condition, the electrical connections ofthe mixing valv

Page 9 - Circuit Diagram 1 (continued)

Additional information106System components (continued)Vitotrol 200, Part No.7133 378(with integral room temperature sensor for room temperature feed-b

Page 10 - Heating system types

Additional information107System components (continued)Remote control (continued)D Printed Circuit Board DIP switches(rear of the top casing)Remote con

Page 11

Additional information108System components (continued)Vitotrol 300, Part No. 7134 452(with integral room temperature sensor for room temperature feed-

Page 12

Additional information109System components (continued)Remote control (continued)D Printed Circuit Board DIP switches(rear of the top casing)Remote con

Page 13

Heating system types11Heating system types for modulating boilers (continued)Possible applicationsHeating systems with distributorarranged close to th

Page 14

Additional information110System components (continued)Connecting several remote control unitsWhen connecting several remote controls to the control un

Page 15

Additional information111System components (continued)Version 2A To control unitB Terminal box (on site)C Vitotrol 1D Vitotrol 2E Vitotrol 3F Further

Page 16

Additional information145BCA3 41 2112System components (continued)Room temperature sensor, Part No. 7133 379 AccessoryA To control unitB Remote contro

Page 17

Additional information113System components (continued)Input Module 0 to 10 V, Part No. 7134 561From software version 7, the Input Module can be connec

Page 18 - Installation

Additional information114Coding 1Call up coding level 1Only those coding addresses are displayed which correspond to the system typeand equipment conc

Page 19

Additional information115Coding 1 (continued)Codings (continued)Function Coding as per factory settingAddress: ValuePossible changeBurner type 02: 1Tw

Page 20

Additional information116Coding 2Call up coding level 2The overview lists all possible coding addresses.However, only those coding addresses are displ

Page 21

Additional information117Coding 2 (continued)Reset codings to factory settings1. Press w and rw simultaneouslyfor approx. 2 seconds.2. Press D.Pressto

Page 22

Additional information118Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress:ValueFunction New codingAddress:Va

Page 23

Additional information119Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress:ValueFunction New codingAddress:Va

Page 24

Heating system types12Heating system types for condensing boilersSystem type 3 – Single-boiler system with Vitocrossal 300A Boiler with Vitotronic 300

Page 25

Additional information120Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction2.4 New codingAddres

Page 26

Additional information121Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction New codingAddress:V

Page 27

Additional information122Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction New codingAddress:V

Page 28

Additional information123Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction New codingAddress:V

Page 29

Additional information124Coding 2 (continued)Overview of all codings (continued)Coding as perfactorysettingAddress: ValueFunction New codingAddress:Va

Page 30

Additional information125Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction New codingAddress:V

Page 31

Additional information126Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction New codingAddress:V

Page 32 - (VD2/VD2A/CT3 only)

Additional information127Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction New codingAddress:V

Page 33

Additional information128Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction New codingAddress:V

Page 34

Additional information129Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction New codingAddress:V

Page 35

Heating system types13Heating system types for condensing boilers (continued)Please note:This circuit diagram represents arecommendation only. It is t

Page 36

Additional information130Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction New codingAddress:V

Page 37

Additional information131Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress:ValueFunction New codingAddress:Va

Page 38

Additional information132Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction New codingAdress:Va

Page 39

Additional information133Coding 2 (continued)Overview of all codings (continued)Coding as perfactory settingAddress: ValueFunction New codingAdress:Va

Page 40

Additional information134Coding 2 (continued)Overview of all codings (continued)Slab curing function diagramsTemperature/time curve 1 (F1:1)Supply tem

Page 41

Additional information135Wiring diagramOverviewA1 Mixing valve extension circuitboardA2 Low-voltage motherboardA3 120 V~ motherboardA4 Electronics boa

Page 42

Additional information136Wiring diagram (continued)Low-voltage motherboard5285 941 v.1.5A11A8A9A6A2A10A5A734-pole

Page 43

Additional information137Wiring diagram (continued)Low-voltage motherboard (continued)! Outdoor temperaturesensor/radio clock receiver(accessory)§ Boi

Page 44

Additional information138Wiring diagram (continued)120 V~ motherboard5285 941 v.1.5A11A3float-ingON ON

Page 45

Additional information139Wiring diagram (continued)120 V~ motherboard (continued)sÖ Heating circuit pumporcontrol outputsA Circulation pump for heatin

Page 46

Heating system types14Heating system types for condensing boilers (continued)System type 4 - Single-boiler system with Vitocrossal 300 with several he

Page 47

Additional information140Wiring diagramMixing valve extension circuit board? Supply temperature sensorssÖ Heating circuit pumpsgS Mixing valve motorsK

Page 48 - (CM2 only)

Additional Information141Order No. Serial No.*17134 555, 7134 556, 71430007511 362 71871017248248Ordering Replacement Parts

Page 49

Additional Information142Parts List (continued)5285 941 v.1.5Other Parts (not illustrated)060 Accessory pack (plugs)080 Installation / Service Instruc

Page 50

1435285 941 v.1.5

Page 51

1445285 941 v.1.5

Page 52

1455285 941 v.1.5

Page 53

Viessmann Manufacturing Company Inc.750 McMurray RoadWaterloo, Ontario • N2V 2G5 • CanadaTel. (519) 885-6300 • Fax (519) 885-0887www.viessmann.ca • in

Page 54

Heating system types15Heating system types for condensing boilers (continued)Possible applicationsFor heating circuits with differenttemperatures.Plea

Page 55

Heating system types16Heating system types for condensing boilersSystem type 5 – Single-boiler system with Vitocrossal 200A Boiler with Vitotronic 300

Page 56

Heating system types17Heating system types for condensing boilers (continued)Please note:This circuit diagram represents arecommendation only. It is t

Page 57

Installation18Overview of electrical connectionsMixing valve extension circuit board? M2/M3 Supply temperature sensorsÖ M2/M3 Heating circuit pumpgS M

Page 58

Installation19Overview of electrical connections(for VD2/VD2A/CT3 only)5285 941 v.1.5

Page 59

General information2Safety, Installation and Warranty RequirementsPlease ensure that this manual is read and understood before commencing installation

Page 60

Installation20Overview of electrical connections (for CM2 only)5285 941 v.1.5

Page 61

Installation21Routing and strain relief of cables1. Run the cables from the connection enclosure into the control unit.2. Apply strain relief to cable

Page 62

Installation22Inserting the boiler coding cardOnly use the boiler coding card included with the boiler.Boiler Coding card Part No.Vitocrossal 300, typ

Page 63 - Procedure (overview)

Installation23Adjustment of the fixed high limit (if required)The fixed high limit is supplied with a factory setting of 110°C / 230°F.Adjustment to 9

Page 64

Installation24Adjustment of the adjustable high limit (if required)The adjustable high limit is supplied with a factory setting of 95°C.Adjustment to

Page 65 - Steps (continued)

InstallationWhen extending wire, there is thepossibility of exposure toelectromagnetic interference. Avoidrunning wires beside or near highvoltage 120

Page 66

Installation26Connection of the boiler temperature sensorThe sensor measures the boilerwater temperature.The boiler temperature sensor isinstalled at

Page 67

Installation27Connection of the DHW tank temperature sensorThe sensor measures the domestic hotwater tank temperature.sensor and tanktemperature senso

Page 68

Installation28Connection of the return temperature sensorStrap-on temperature sensor and immersion temperature sensorFor measuring the boiler returnte

Page 69

Installation29Connection of the flue gas temperature sensor (VD2/VD2A/CT3 only)The sensor measures the flue gastemperature and monitors theselected li

Page 70

General information3Product InformationVitotronic 300, Model GW2For installation in or mounting onViessmann boilers only.Applicable to the following c

Page 71

Installation30Connection of the Pumps (VD2/VD2A/CT3 only)Available pump connectionssÖ A1/M1Heating circuit hightemperature (without mixing valve)Termi

Page 72 - Overview of service levels

Installation31Connection of the Pumps (CM2 only)Available pump connectionssÖ A1/M1Heating circuit hightemperature (without mixing valve)Terminals 7 -

Page 73

Installation32Connection of boiler return mixing valve or modulating valve actuator(VD2/VD2A/CT3 only)1 120V or 24V valve adaptor2 DIN rail in connect

Page 74

Installation33Connection of Boiler Return Mixing Valve or Isolation/Modulating Valveactuator(CM2 only)1 120V or 24V Valve Adaptor2 Junction box3 120V

Page 75

Installation34Making Space for Accessory Adaptors on the DIN Rail (CM2 only)1. Push up on the bottom front ofthe DIN rail clamp to remove andset aside

Page 76

Installation35Connections to terminal aBÖ (VD2/VD2A/CT3 only)A JumperB External shut-off (dry contact)External shut-off1. Remove jumper betweentermina

Page 77

Installation36Connection of the compiled failure alarm indicator (VD2/VD2A/CT3 only)Rated voltage: 120 VAC 60 HzRated current: max. 2 FLARecommended c

Page 78 - MFlue gas temperature

Installation37Connection of the compiled failure alarm indicator (CM2 only)Rated voltage: 120 VAC 60 HzRated current: max. 2 FLARecommended connection

Page 79 - Troubleshooting steps

Installation38Connection of external equipment to terminal aVDExternal changeover of the heatingprogram/”Open mixing valves”Connect floating contact t

Page 80

Installation39Connection of external equipment to plug aVHA External demand (floating contact)B External changeover,staged/modulating burner(floating

Page 81 - Diagnosis (continued)

Index4PageGeneral informationSafety Requirements 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 82

Installation40Connection of external controlsOperation with two-stage burnerSettings on the control unitThe settings for the fixed high limit andthe o

Page 83

Installation41Connection of external controls (VD2/VD2A only) (continued)Modulating boilers – operation with external modulation controller1st stage

Page 84

Installation42Connection of external controls (VD2/VD2A only) (continued)Modulating boilers – operation with external modulation controller (continued

Page 85

Installation43Connection of external controls (CT3 only) (continued)Vitocrossal 300 – operation with external modulation controller1st stage burner f

Page 86 - Boiler temperature control

Installation44Connection of external controls (CT3 only) (continued)Vitocrossal 300 – operation with external modulation controller (continued)Setting

Page 87 - Heating circuit control

Installation45Connections of combustion air device adaptor (VD2/VD2A/CT3 only)Connection of the Combustion AirDevice Adaptor1. Disconnect power to con

Page 88

Installation46Connection of Combustion Air Device (CM2 only)Connection of the Combustion AirDevice Adaptor1. Disconnect power to control andburners.2.

Page 89

Installation47Connection of combustion air device (continued)Connection of the combustion airdamperSee damper manual for correctinstallation.Note:Assu

Page 90 - DHW tank temperature control

Installation48Flue Gas Temp. Switch (optional for CM2 equipped with SS flue collector)(CM2 only)1. Disconnect power.2. Remove 150 plug from theVitotro

Page 91

Installation49Connection of low water cut-off device (VD2/VD2A/CT3 only)aBH Power supply for accessories.aBÖ Connection for externalequipment.1.Remove

Page 92 - Overview

Index5PageScanning service informationOverview of service levels 72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 93 - Technical data

Installation50Connection of Low Water Cut-off Device (CM2 only)1. Remove jumper between terminals21 and 22.2. Make connection as shown indiagram.5285

Page 94 - System components

Installation51Burner connection, Burner control wiring (VD2/VD2A/CT3 only)For burners with plug-in connectionThe burner cables are included in thestan

Page 95

Installation52Burner Connection, Burner Control Wiring (VD2/VD2A/CT3 only) (continued)Write the terminal numbers ormarkings on the drawing for futurer

Page 96

Installation53Burner Connection, Burner Control Wiring (VD2/VD2A/CT3 only) (continued)Burner motor power supply connection(continued)For burners with

Page 97

Installation54Burner Connection, Burner Control Wiring (VD2/VD2A/CT3 only) (continued)Burner motor power supply connection(continued)For burners with

Page 98

Installation55Power Supply Connection, Boiler Control (VD2/VD2A/CT3 only)LegendL: LineN: NeutralG: GroundA Power supply 120 VAC, 1 PH .Provide disconn

Page 99

Installation56Burner Connection, Burner Control Wiring (CM2 only)For burners with plug-in connectionThe burner cables are included in thestandard deli

Page 100 - System components (continued)

Installation57Mounting the Front Part of the Control Unit (VD2/VD2A/CT3 only)1. Position the front part of the housingand clip hinges to counter-parts

Page 101

Installation58Mounting the Front Part of the Control Unit (VD2/VD2A/CT3 only)1. Position the front part of the housingand clip hinges to counter-parts

Page 102

Installation59Opening the Control Unit (VD2/VD2A/CT3 only)1. Remove the cover of theconnection enclosure.2. Unscrew the screws from thefront housing.3

Page 103 - Resistance in

Heating system types6Heating system types for modulating boilersSystem type 1 – Single-boiler system with shunt pump for raising the return temperatur

Page 104 - Additional information

Installation60Control and Junction Box Installation Instructions (for CM2 only)1. Route cables and capillaries fromcontrol through the opening in thec

Page 105

Installation61Mounting the Front Part of the Control Unit (CM2 only)1. Position the front part of the housingand clip hinges to counter-parts onmain h

Page 106

Installation62Opening the Control Unit (CM2 only)1. Remove the control cosmeticcover .2. Unscrew the screws from thefront housing.3. Swing up the fron

Page 107 - Remote control (continued)

Start-up63Procedure (overview)Page11. Controls and indicators 64. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 108

Start-up64Steps1. Controls and indicatorsOverride switchHeating circuit selectionDisplay windowNormal room temperatureHeating programsAdjustable high

Page 109

Start-up65Steps (continued)3. Check the fixed high limitThe check is made via the ”TÜV TEST” button (see page 64).When making the check, the ” TÜVTEST

Page 110

Start-up66Steps (continued)5. Integrate the control unit in the LON BUS system in conjunction with Vitotronic 200-HThe LON communication module (acces

Page 111

Start-up67Steps (continued)6. Carry out participant checkThe participant check is used to verify the communication of the system unitsconnected to the

Page 112

Start-up68Steps (continued)7. Match the control unit to the system typeSet the following coding addresses inCoding 2:”00” System type”02” Burner type”

Page 113

Start-up69Steps (continued)Check sensors1. Press .2. Scan actual temperatures withor .3. Press.Scanning of operating statusinformation is activated(se

Page 114 - Coding 1

Heating system types7Heating system types for modulating boilers (continued)Possible applicationsHeating systems with manifoldarranged close to the bo

Page 115 - Coding 1 (continued)

Start-up70Steps (continued)9. Match the coding addresses (continued)10. Set the established values in codingLevel 1.See page 114 for coding 1.AddressS

Page 116 - Coding 2

Start-up71Steps (continued)10. Adjust the heating curvesThe heating curves represent the relationship between the outdoor temperatureand the boiler wa

Page 117 - Coding 2 (continued)

Scanning service information72Overview of service levelsFunction Button combination To exit PageTemperatures, boiler coding cardsand scansPress 9 and

Page 118

Scanning service information73Temperatures, boiler coding cards and scans1. Press 9 and rw simultaneouslyfor approx. 2 seconds.Access diagnosis level.

Page 119

Scanning service information74Temperatures, boiler coding cards and scans (continued)Scan 15285 941 v.1.588888Scan 18Burner type CodingSingle-stage 02

Page 120

Scanning service information75Temperatures, boiler coding cards and scans (continued)Scan 2Scan 35285 941 v.1.588888Scan 28Software versionPlug-in ada

Page 121

Scanning service information76Temperatures, boiler coding cards and scans (continued)Scan 4Scan 4 is not assigned.Scan 5 only in conjunction with LON

Page 122

Scanning service information77Scanning operating status information1. Press .2. Select the required operating statusdata for scanning with the orbutto

Page 123

Scanning service information78Scanning and resetting the ”Service” displayWhen the limit values selected via coding addresses ”1F”, ”21” and ”23” (see

Page 124

Troubleshooting79Troubleshooting stepsDiagnosis 1. Establish fault message or ascertain behaviour of system2. Look for the corresponding cause of the

Page 125

Heating system types8Circuit Diagram 1Single-boiler system with Therm-Control and three-way mixing valvein conjunction with Vitorond 200, VD2AA Heatin

Page 126

Troubleshooting80DiagnosisFaults with fault display on the programming unitTo retrieve an acknowledged faultmessagePressfor approx. 3 seconds; selectt

Page 127

Troubleshooting81Diagnosis (continued)Faults with fault display on the programming unit (continued)Faultcodein displayBehaviour of systemCause of faul

Page 128

Troubleshooting82Diagnosis (continued)Faults with fault display on the programming unit (continued)Faultcodein displayBehaviour of systemCause of faul

Page 129

Troubleshooting83Diagnosis (continued)Faults with fault display on the programming unit (continued)Faultcodein displayBehaviour of systemCause of faul

Page 130

Troubleshooting84Diagnosis (continued)Faults with fault display on the programming unit (continued)Faultcodein displayBehaviour of systemCause of faul

Page 131

Troubleshooting85Diagnosis (continued)Faults with fault display on the programming unit (continued)Faultcodein displayBehaviour of systemCause of faul

Page 132

Functional description86Boiler temperature controlBrief descriptionThe boiler water temperature iscontrolled by switching the burnerstages or modulati

Page 133

Functional description87Heating circuit controlBrief descriptionThe control unit has control loops for asystem circuit and two mixing valvecircuits.Th

Page 134

Functional description88Heating circuit control (continued)Functions (continued)Summer energy saving function(heating circuit pump logic)If the outdoo

Page 135 - Wiring diagram

Functional description89Heating circuit control (continued)Functions (continued)Upper limit of control rangeElectronic maximum limitSetting range:1 to

Page 136 - Wiring diagram (continued)

Heating system types9Circuit Diagram 1 (continued)sÖ A1 Close mixing valvesA Contactor relay, field suppliedB Heating circuit controlsconnected downst

Page 137

Functional description90DHW tank temperature controlBrief descriptionThe DHW tank temperature control is aconstant value control. It operates onthe ba

Page 138

Functional description91DHW tank temperature control (continued)Control sequenceDHW tank temperature falls(Set-point value –2.5 °C / 4.5 °F,selectable

Page 139

Additional information92OverviewPageTechnical data 93. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 140

Additional information93Technical dataRated voltage: 120VRated frequency: 60 HzRated current: 2 x 6APowerconsumption: 10WProtection class: IDegree of

Page 141 - Parts List

Additional information94System componentsLine voltage motherboard, Part No. 7165 782The motherboard contains:Relays and outputs for activatingthe pum

Page 142 - Parts List (continued)

Additional information95System components (continued)Mixing valve extension board, Part No. 7820 193The board contains the relays foractivating the mi

Page 143 - 5285 941 v.1.5

Additional information96System components (continued)Front panel with heating circuit selector buttons, Part No. 7818 623For displaying and selecting

Page 144

Additional information97System components (continued)Boiler coding cardVitotronic 300in conjunction withBoiler coding card Part No.Vitorond 200 1020 7

Page 145

Additional information98System components (continued)Fixed high limit, Part No. 7820 036The fixed high limit has a factory setting of 110°C/ 230°F.E

Page 146 - Quick Reference

Additional information99System components (continued)Outdoor temperature sensor, Part No. 7820 148Outdoor temperature sensorConnectionCheck sensor1. R

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