Viessmann VD2-860 Manuel de service

VITOTRONIC 100, GC1VITOCONTROL-S, VD2/CT3/CM2Installation andService Instructionsfor use by heating contractorVitotronic 100, Model GC1Digital boiler

10Heating system designsSystem version 2Vitorond 200, VD2A Boiler with Vitotronic 100, GC1B Vitocontrol-S, VD2/CT3/CM2C DHW tankD Mixing valve circuit

Slope2.22.01.81.61.41.21.00.80.60.40.23.43.23.02.82.62.4110/230100/21270/15860/14050/12240/10430/8680/17690/1941050541032-523-20-4-1014-155Supply temp

101Initial start-upFurther step-by-step instructions(continued)Changing slope and shift(for every heating circuit separately)1. Call up slope with ,ad

102Initial start-upFurther step-by-step instructions(continued)Adjusting the normal room temperature(for every heating circuit separately)Normal room

103Service scanning – Vitotronic 100, GC1Service level summaryFunction Entry Exit PageRelay test Press the 9 and “OK”buttons simultaneously forapprox.

104Service scanning – Vitotronic 100, GC1Temperatures, boiler coding card and quick scans1. Press 9 and rw simultaneouslyfor approx. two seconds.2. Se

105Service scanning – Vitotronic 100, GC1Temperatures, boiler coding card and quick scans(continued)ScansF8 F8 8 8 8 80000N/ALON participant number So

106Service scanning – Vitotronic 100, GC1Scanning operating conditions1. Press .2. Select the required operatingcondition scan with or .3. Press .The

107Service scanning – Vitotronic 100, GC1Scanning and resetting maintenance displaysAfter limits have been reached, which were set up via coding addre

108Service scans – Vitocontrol-S, VD2/CT3/CM2Service level summaryFunction Entry Exit PageAdjusting displaycontrastPress the “OK” and “+”buttons simul

109Service scans – Vitocontrol-S, VD2/CT3/CM2Temperatures and quick scans1. Press 9 and rw simultaneouslyfor approx. 2 seconds.2. Select the required

11Heating system designsSystem version 2(continued)Codings must be set on every Vitotronic 100, GC1.Vitotronic 100, GC1Required coding01: 2 Multi-boil

110Service scans – Vitocontrol-S, VD2/CT3/CM2Temperatures and quick scans(continued)8N/ASoftware versionPlug-in adaptorfor ext. safetyequipmentSoftwar

111Service scans – Vitocontrol-S, VD2/CT3/CM2Scanning operating conditions1. Press .2. Select the required scanwith or .3. Press .The following values

112Service scans – Vitocontrol-S, VD2/CT3/CM2Scanning and resetting maintenance displayVitocontrol-S, VD2/CT3/CM2 displays a maintenance message if:V

113Troubleshooting – Vitotronic 100, GC1Faults displayed at the programming unit1 Consecutive fault number38 Fault codeU Fault symbolRed fault lamp A

114Troubleshooting – Vitotronic 100, GC1Faults displayed at the programming unit(continued)FaultcodeSystem characteristicsCause Remedy0000ffffControl

115Troubleshooting – Vitotronic 100, GC1Faults displayed at the programming unit(continued)FaultcodeSystem characteristicsCause Remedybbbb8888Control

116Troubleshooting – Vitotronic 100, GC1Viewing fault codes from the fault memory (error history)1. Press rw and simultaneouslyfor approx. 2 seconds.2

117Troubleshooting – Vitocontrol-S, VD2/CT3/CM2Faults displayed at the programming unit(continued)Fault display in plain textExt. faultOutdoor tempe

118Troubleshooting – Vitocontrol-S, VD2/CT3/CM2Faults displayed at the programming unit(continued)FaultcodeSystem characteristicsCause Remedy4444ccccO

119Troubleshooting – Vitocontrol-S, VD2/CT3/CM2Faults displayed at the programming unit(continued)FaultcodeSystem characteristicsCause Remedy99992222C

12Heating system designsSystem version 3Common supply pump and low pressure distribution manifoldVitorond 200, VD2A Boiler with Vitotronic 100, GC1B V

120Troubleshooting – Vitocontrol-S, VD2/CT3/CM2Faults displayed at the programming unit(continued)FaultcodeSystem characteristicsCause RemedybbbbccccC

121Troubleshooting – Vitocontrol-S, VD2/CT3/CM2Faults displayed at the programming unit(continued)FaultcodeSystem characteristicsCause RemedyddddaaaaC

122Troubleshooting – Vitocontrol-S, VD2/CT3/CM2Viewing fault codes from the fault memory (error history)1. Press rw and simultaneouslyfor approx. 2 se

123Function description – Vitotronic 100Boiler temperature controlBrief descriptionThe boiler water temperature isregulated by controlling a two stage

124Function description – Vitocontrol-S, VD2/CT3/CM2Cascade control unitBrief descriptionThe supply temperature is regulated bystarting or stopping th

125Function description – Vitocontrol-S, VD2/CT3/CM2Cascade control(continued)Control sequenceStand-alone (Autonomous) type of control sequenceParalle

126Function description – Vitocontrol-S, VD2/CT3/CM2Cascade control(continued)Sequential type of control sequence(coding 3b: 4)With the sequential typ

127Function description – Vitocontrol-S, VD2/CT3/CM2Cascade control(continued)Net calorific strategy 1Conventional boilers are preferablyoperated at t

128Function description – Vitocontrol-S, VD2/CT3/CM2Cascade control(continued)Control strategy exampleTwo boiler system with modulating burner:Boiler

129Function description – Vitocontrol-S, VD2/CT3/CM2Cascade control(continued)Net calorific strategy 2 (coding 3C: 2)Start-up Switching OFFBoiler sequ

13Heating system designsSystem version 3(continued)Coding must be set on every Vitotronic 100, GC1.Vitotronic 100, GC1Required coding01: 2 Multi-boile

130Function description – Vitocontrol-S, VD2/CT3/CM2Heating circuit controlBrief descriptionThe control unit provides controlcircuits for one high tem

131Function description – Vitocontrol-S, VD2/CT3/CM2Heating circuit control(continued)Domestic hot water temperatureWith priority control:The set sup

132Function description – Vitocontrol-S, VD2/CT3/CM2Heating circuit control(continued)Supply temperature controlDifferential temperature:The different

133Function description – Vitocontrol-S, VD2/CT3/CM2DHW tank temperature controlBrief descriptionThe DHW tank control logic is aset-point control. It

134Function description – Vitocontrol-S, VD2/CT3/CM2DHW tank temperature control(continued)Control sequencePump delayThe DHW pump continuous operatio

135Function description – Vitocontrol-S, VD2/CT3/CM2Components from the parts listLine voltage motherboardThe main Printed Circuit Boardcomprises:Rel

136Components – Vitotronic 100, GC1Components from the parts listLON communication modulePlug in the LON communication module into the control unit.Th

137Components – Vitotronic 100, GC1Components from the parts list(continued)Boiler water temperature sensorThe sensor measures the boiler watertempera

138Components – Vitotronic 100, GC1Components from the parts list(continued)Strap-on temperature sensor and immersion temperature sensorFor measuring

139Components – Vitotronic 100Flue gas temperature sensor (for VD2/VD2A/CT3 only)The sensor measures the flue gastemperature and monitors the selected

14Heating system designsSystem version 3(continued)Possible applicationsIf the distribution manifold is located ina remote location (> 20 m / 65 ft

140Components – Vitocontrol-S, VD2/CT3/CM2Components from the parts listLine voltage motherboardThe main printed circuit boardcomprises:Relays and ou

141Components – Vitocontrol-S, VD2/CT3/CM2Components from the parts list(continued)LON communication moduleThe communication interruption will be disp

142Components – Vitocontrol-S, VD2/CT3/CM2Components from the parts list(continued)Strap-on temperature sensor and immersion temperature sensorTo meas

143Components – Vitocontrol-S, VD2/CT3/CM2Components from the parts list(continued)Outdoor temperature sensorConnectionSee page 77.Check sensor1. Remo

144Components – Vitocontrol-S, VD2/CT3/CM2Mixing valve circuit extension kitMixing valve motor, Part No. 7133 390A Plug in the mixing valve motor| Mix

KRHVKVHRHRKVHVKRHVKVHRKRHVKVHRKVHVHRHRHVKRKVHVHRKRKVHVKVHRKR145Components – Vitocontrol-S, VD2/CT3/CM2Installation examplesMixing valve insert convers

146Components – Vitocontrol-S, VD2/CT3/CM2Remote controlVitotrol 200, Part No. 7133 378(with integral room temperature sensor for room temperature fee

147Components – Vitocontrol-S, VD2/CT3/CM2Remote control(continued)D Printed circuit board DIP switches(rear of the top casing)Remote controlaffectsDI

148Components – Vitocontrol-S, VD2/CT3/CM2Remote control(continued)Vitotrol 300, Part No. 7134 452(with integral room temperature sensor for room temp

149Components – Vitocontrol-S, VD2/CT3/CM2Remote control(continued)D Printed circuit board DIP switches(rear of the top casing)Remote controlaffectsDI

15Heating system designsSystem version 4Controlling the return temperature with a 3-way mixing valveVitorond 200, VD2A Boiler with Vitotronic 100, GC1

150Components – Vitocontrol-S, VD2/CT3/CM2Remote control(continued)Connecting several remote control unitsWhen connecting several remote controls to t

151Components – Vitocontrol-S, VD2/CT3/CM2Remote control(continued)Version 2A To control unitB Terminal box (on site)C Vitotrol 1D Vitotrol 2E Vitotro

152Components – Vitocontrol-S, VD2/CT3/CM2Room temperature sensor,Part No. 7133 379The room temperature sensor measures the actual room temperature, i

153Components – Vitocontrol-S, VD2/CT3/CM2Input Module 0 to 10 V,Part No. 7134 561From software version 7 of Vitocontrol-S, VD2/CT3/CM2, the Input Mod

154Coding – Vitotronic 100, GC1Coding 1Calling up coding 11. Press 9 and w simultaneously forapprox. two seconds, until the firstarrow appears in the

155Coding – Vitotronic 100, GC1Coding 1(continued)Coding in the factory setting Possible changeBoiler/burner06: 87 Maximum boiler water temperature li

156Coding – Vitotronic 100, GC1Coding 2Calling up coding 21. Press w and rw simultaneouslyfor approx. 2 seconds, until the firsttwo arrows appear in t

157Coding – Vitotronic 100, GC1Coding 2(continued)Coding in the factory setting Possible changeBurner (mod.) (see page 97)05: 70 Burner curve 05: 0 Li

158Coding – Vitotronic 100, GC1Coding 2(continued)Coding in the factory setting Possible changeBoiler0C: 5Isolation valve modulating independently of

159Coding – Vitotronic 100, GC1Coding 2(continued)Coding in the factory setting Possible changeBurner (two stage/mod.)16:*1Burner offset in ˚C / ˚F:Te

16Heating system designsSystem version 4(continued)Coding must be set on every Vitotronic 100, GC1.Vitotronic 100, GC1Required coding01: 2 Multi-boile

160Coding – Vitotronic 100, GC1Coding 2(continued)Coding in the factory setting Possible changeBoiler/burner24: 0 No maintenance indication 24: 1 Main

161Coding – Vitotronic 100, GC1Coding 2(continued)Coding in the factory setting Possible changeGeneral (continued)2C: 5Maximum time delay of isolation

162Coding – Vitotronic 100, GC1Coding 2(continued)Coding in the factory setting Possible changeGeneral4E: 0 Connection on plug gS:Isolation valve or t

163Coding – Vitotronic 100Burner switching differentialFor adjustment, see coding 04 on page 156.Switching differential 4˚C / 7˚F (coding 04: 0)Heat d

164Coding – Vitocontrol-S, VD2/CT3/CM2Coding 1Calling up coding 11. Press 9 and w simultaneously forapprox. 2 seconds.2. Select the required coding ad

165Coding – Vitocontrol-S, VD2/CT3/CM2Coding 1(continued)Coding in the factory setting Possible changeMulti-boiler control unit36: 0 Electronic minimu

166Coding – Vitocontrol-S, VD2/CT3/CM2Coding 1(continued)Coding in factory setting Possible changeGeneral (continued)77: 5 LON participant number 77:

167Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2The summary from page 168 lists all possible coding addresses.The coding addresses are grouped inaccorda

168Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Overall summaryCoding in the factory setting Possible changeSystem design00: 1 See page 164Mu

169Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in the factory setting Possible changeMulti-boiler control (continued)3d: 1 Output bal

17Heating system designsSystem version 5Controlling the return temperature with a low loss header and a three-way mixing valveVitorond 200, VD2A Boile

170Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in factory setting Possible changeMulti-boiler control (continued)48: 35 Only for sequ

171Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in the factory setting Possible changeDHW56: 0 Setting range for DHW temperature:10 to

172Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in factory setting Possible changeDHW (continued)67: 40 With Vitosolic:3rdDHWset-point

173Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in factory setting Possible changeGeneral (continued)7b: 1 Transmitting time via LON B

174Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in factory setting Possible changeGeneral (continued)92:184 Do not adjustAddress will

175Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in factory setting Possible changeGeneral (continued)99: 0 Connection to terminals 2 a

176Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in factory setting Possible changeGeneral (continued)9b: 70Set minimum supply temperat

177Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in factory setting Possible changeSystem circuit/mixing valve circuit (continued)A4: 0

178Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in factory setting Possible changeMixing valve circuitAA: 2With output reduction throu

179Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in factory setting Possible changeSystems/mixing valve circuit (continued)b7: 0*1With

18Heating system designsSystem version 5(continued)Coding must be set on every Vitotronic 100, GC1.Vitotronic 100, GC1Required coding01: 2 Multi-boile

180Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in factory setting Possible changeSystems/mixing valve circuit (continued)C8:31*1With

181Coding – Vitocontrol-S, VD2/CT3/CM2Coding 2(continued)Coding in factory setting Possible changeSystems/mixing valve circuit (continued)F8: -5 With

70/15860/14050/12240/10430/8680/17690/1941050541032-523-20-4-1014-155Supply temperature in ºC / ºFOutdoor temperature in ºC / ºFSet room temperature i

183Coding – Vitocontrol-S, VD2/CT3/CM2Slab curing function diagramCoding, see page 180.Temperature-time profile 1 (coding F1: 1)(See back of manual fo

184Connection and wiring diagrams – Vitotronic 100, GC1SummaryA2 Low voltage motherboardA3 Line voltage motherboardA6 Programming unitA7 Optolink prin

185Connection and wiring diagrams – Vitotronic 100, GC1Low voltage motherboard§ Boiler temperature sensor% No functionaG Flue gas temperature sensoraJ

186Connection and wiring diagrams – Vitotronic 100, GC1Line voltage motherboardsÖ Control outputsA DHW pumpsL Shunt or boiler circuit pumpfÖ Power sup

187Connection and wiring diagrams – Vitotronic 100. GC1Line voltage motherboard(continued)5351 340 v1.4A11A3floatingONON

188Connection and wiring diagrams – Vitocontrol-S, VD2/CT3/CM2SummaryA1 Mixing valve extension boardA2 Low voltage motherboardA3 Line voltage motherbo

189Connection and wiring diagrams – Vitocontrol-S, VD2/CT3/CM2Low voltage motherboard! Outdoor temperature sensor? Common supply temperaturesensor§ No

19Heating system designsSystem version 6Heating circuit and one low temperature heating circuitVitocrossal 300, CT3A Boiler with Vitotronic 100, GC1B

190Connection and wiring diagrams – Vitocontrol-S, VD2/CT3/CM2Line voltage motherboardsÖ Heating circuit pumpsA DHW pump (accessory)sK DHW recirculati

191Connection and wiring diagrams – Vitocontrol-S, VD2/CT3/CM2Mixing valve extension Printed Circuit Board? Supply temperature sensorsÖ Heating circui

192AppendixSpecification – Vitotronic 100, GC1Rated voltage: 120VACRated frequency: 60 HzRated current: 2 × 6 A~Powerconsumption: 5 WSafety class: IPr

193AppendixParts ListVVVVIIIITTTTOOOOTTTTRRRROOOONNNNIIIICCCC 333300000000----KKKKMW1 SeriesOrder No.Vitocontrol-SMW1W (shown to right)Custom Control

194AppendixParts List(continued)Other Parts (not illustrated)060 Accessory pack (plugs)080 Installation / Service InstructionsVitotronic 100/333081 Op

1955351 340 v1.4

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

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

20Heating system designsSystem version 6(continued)Codings must be set on every Vitotronic 100, GC1.Vitotronic 100, GC1Required coding01: 2 Multi-boil

21Heating system designsSystem version 6(continued)Possible applicationsVitocrossal 300 is operated via aViessmann boiler control unit withoutdoor res

22Heating system designsSystem version 7Heating circuit and one low temperature heating circuit plus Vitorond with shunt pumpVitocrossal 300, CT3Vitor

23Heating system designsSystem version 7(continued)Coding must be set on every Vitotronic 100, GC1.Vitotronic 100, GC1Required coding01: 2 Multi-boile

24Heating system designsSystem version 7(continued)Possible applicationsThe Vitocrossal 300, CT3 (lead boiler) and the Vitorond 200, VD2 (lag boiler)

25Heating system designsSystem version 8Three-way mixing valve, several heating circuits and one low temperature heating circuitVitocrossal 300, CT3Vi

26Heating system designsSystem version 8(continued)Coding must be set on every Vitotronic 100, GC1.Vitotronic 100, GC1Required coding01: 2 Multi-boile

27Heating system designsSystem version 8(continued)Vitocontrol-S, VD2/CT3/CM2Required coding00: 3,00: 4,00: 7,or00: 8Without system circuit A1*135: 13

28Heating system designsSystem version 9Heating circuit and one low temperature heating circuitVitocrossal 200, CM2A Boiler with Vitotronic 100, GC1B

29Heating system designsSystem version 9(continued)Codings must be set on every Vitotronic 100, GC1.Vitotronic 100, GC1Required coding01: 2 Multi-boil

3ContentsIndexPageProduct information 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30Heating system designsSystem version 9(continued)Possible applicationsVitocrossal 200 is operated via aViessmann boiler control unit withoutdoor res

31Heating system designsSystem version 10Heating circuit and one low temperature heating circuit plus Vitorond with shunt pumpVitocrossal 200, CM2Vito

32Heating system designsSystem version 10(continued)Coding must be set on every Vitotronic 100, GC1.Vitotronic 100, GC1Required coding01: 2 Multi-boil

33Heating system designsSystem version 10(continued)Possible applicationsThe Vitocrossal 200, CM2 (lead boiler) and the Vitorond 200, VD2 (lag boiler)

34Installation – Vitotronic 100, GC1Summary of electrical connectionsLow voltage connections (motherboard)§ Boiler temperature sensor% No functionaG F

Installation35Overview of Electrical Connections (VD2/VD2A/CT3 only) (continued)5351 340 v1.4[29][20] A1

Installation36Overview of Electrical Connections (CM2 only) (continued)5351 340 v1.4

37Installation – Vitotronic 100, GC1Inserting cables and applying strain reliefRun the cables from the connection enclosure into the control unit.Appl

38Installation – Vitotronic 100, GC1Inserting the boiler coding cardOnly use the boiler coding card included with the boiler.Boiler Coding card Part n

39Installation – Vitotronic 100, GC1Setting of the fixed high limit(if required)Settings on the control unitThe setting for the fixed high limit andth

4ContentsIndex(continued)Service scanning – Vitotronic 100Service level summary 103. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation40Setting of the Adjustable High Limit (if required)The adjustable high limit is suppliedwith a factory setting of 95°C / 203°FAdjustment

41Installation – Vitotronic 100, GC1Sensor connectionATemperature sensor T2BTemperature sensor T1CBoiler temperature sensorDFlue gas temperature senso

42Installation – Vitotronic 100, GC1Connection of the boiler temperature sensorThe sensor measures the boiler watertemperature of the boiler.The boile

43Installation – Vitotronic 100, GC1Connection of the return temperature sensorStrap-on temperature sensor and immersion temperature sensorFor measuri

44Installation – Vitotronic 100, GC1Connection of the flue gas temperature sensor (VD2/VD2A/CT3 only)The sensor measures the flue gastemperature and m

Installation45Connection of the Pumps (VD2/VD2A/CT3 only)Available pump connectionssÖ Switched contactTerminals 5 - L, - G , - NsL Shunt pump, boiler

Installation46Connection of the Pumps (CM2 only)Available pump connectionssÖ Switched contactTerminals 7 - L, - G , - NsL Shunt pump, boiler circuit p

Installation47Connection of Boiler Return Mixing Valve or Isolation/Modulating Valve actuator(VD2/VD2A/CT3 only)1 120V or 24V Valve Adaptor2 DIN rail

Installation48Connection of Boiler Return Mixing Valve or Isolation/Modulating Valve actuator(CM2 only)1 120V or 24V Valve Adaptor2 Junction box3 120V

Installation49Making 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

5ContentsIndex(continued)Coding – Vitocontrol-S, VD2/CT3/CM2Resetting codings to the factory setting 163. . . . . . . . . . . . . . . . . . . . . . .

Installation50Vitotronic 100, GC1 with 30% LTP Package (VD2/VD2A only)5351 340 v1.4VD2/VD2A1 - 17B Sensor (strap-on)

51Installation – Vitotronic 100, GC1Connection of external controlsABoiler disableConnect dry contact at terminals “1”and “2” of the plug aVD.Contact

Installation52Connection of Low Water Cut-off Device (VD2/VD2A/CT3 only)aBH Power supply for accessories.aBÖ Connection for externalequipment.1. Remov

Installation53Connection of Low Water Cut-off Device (CM2 only)1. Remove jumper between terminals21 and 22.2. Make connection as shown indiagram.5351

Installation54Connection of Combustion Air Device (VD2/VD2A/CT3 only)Connection of the Combustion AirDevice Adaptor1. Disconnect power to control andb

Installation55Connection of Combustion Air Device (CM2 only)Connection of the Combustion AirDevice Adaptor1. Disconnect power to control andburners.2.

56Installation – Vitotronic 100, GC1Connection of combustion air devices(continued)Connection of the combustion airdamperSee damper manual for correct

57Installation – Vitotronic 100, GC1Connection of single combustion air devices on mulitple boiler systemIf a single combustion air device isrequired

58Installation – Vitotronic 100, GC1Connection of single combustion air devices on mulitple boiler systemConnection of the combustion airblowerA Commo

59Installation – Vitotronic 100, GC1Connection of single combustion air damperConnection of the combustion airdamperA Common Combustion Air DeviceInte

Important Precautions6SafetyTake note of all symbols and notations intended to draw attention to potential hazards or important product information.Th

60Installation – Vitotronic 100, GC1Connection of the compiled failure alarm(VD2/VD2A/CT3 only)Connection of the compiledfailure alarm(CM2 0nly)Rated

61Installation – Vitotronic 100, GC1Plugging in the LON communication modulePlug in the LON communication modulein accordance with the illustration in

62Installation – Vitotronic 100, GC1Burner connection, burner control wiring (VD2/VD2A/CT3 only)For burners with plug-in connectionThe burner cables a

63Installation – Vitotronic 100, GC1Burner connection, burner control wiring(VD2/VD2A/CT3 only) (continued)Write the terminal numbers ormarkings on th

Installation64Burner Connection, Burner Control Wiring (VD2/VD2A/CT3 only) (continued)Burner motor power supply connection(continued)For burners with

Installation65Burner Connection, Burner Control Wiring (VD2/VD2A/CT3 only) (continued)Burner motor power supply connection(continued)For burners with

Installation66Power Supply Connection, Boiler Control (VD2/VD2A/CT3 only)LegendL: LineN: NeutralG: GroundA Power supply 120 VAC, 1 PH .Provide disconn

Installation67Burner Connection, Burner Control Wiring (CM2 only)For burners with plug-in connectionThe burner cables are included in thestandard deli

68Installation – Vitotronic 100, GC1Installing the control unit front (VD2/VD2A/CT3 only)1. Position the front part of the housingand clip hinges to c

69Installation – Vitotronic 100, GC1Opening the control unit (VD2/VD2A/CT3 only)1. Remove the cover of the connectionenclosure.2. Unscrew the screws f

Important Precautions / General Information7Important regulatory and installation requirementsPower supplyInstall power supply in accordance withthe r

Installation70Control and Junction Box Installation Instructions (for CM2 only)1. Route cables and capillaries fromcontrol through the opening in thec

Installation71Mounting the Front Part of the Control Unit (CM2 only)1. Position the front part of the housingand clip hinges to counter-parts onmain h

Installation72Opening the Control Unit (CM2 only)1. Remove the control cosmeticcover .2. Unscrew the screws from thefront housing.3. Swing up the fron

73Installation – Vitocontrol-S, VD2/CT3/CM2Summary of electrical connectionsMixing valve extension circuit board?M2/M3 Supply temperature sensorsÖM2/M

74Installation – Vitocontrol-S, VD2/CT3/CM2Summary of electrical connections(continued)5351 340 v1.4Vitocontrol-S VD2/CT3/CM2, 300-K MW1

75Installation – Vitocontrol-S, VD2/CT3/CM2Mounting of the control unit1.Fasten metal backplate ontomounting surface with fourfasteners.2.Position mid

76Installation – Vitocontrol-S, VD2/CT3/CM2Inserting cables and applying strain reliefRun the cables from the connection enclosure into the control un

77Installation – Vitocontrol-S, VD2/CT3/CM2Sensor connectionAOutdoor temperature sensor(not polarity sensitive)BReturn temperature sensor T2Installati

78Installation – Vitocontrol-S, VD2/CT3/CM2Sensor connection(continued)Outdoor temperature sensorThe outdoor temperature sensor should be mounted 2 to

79Installation – Vitocontrol-S, VD2/CT3/CM2Sensor connection(continued)Strap-on temperature sensor and immersion temperature sensorFor measuring the s

8General informationSummary of system versionsBoiler Characteristics Page1 Vitorond 200,VD2AWith Therm-Control and 3-way mixing valve 92 Vitorond 200,

80Installation – Vitocontrol-S, VD2/CT3/CM2Sensor connection(continued)Strap-on temperature sensor and immersion temperature sensorFor measuring the r

81Installation – Vitocontrol-S, VD2/CT3/CM2Sensor connection(continued)DHW tank temperature sensorThe sensor measures the domestic hotwater tank tempe

82Installation – Vitocontrol-S, VD2/CT3/CM2Connection of the pumpsAvailable pump connectionssA DHW pump for heating up thedomestic hot water tank -Ter

83Installation – Vitocontrol-S, VD2/CT3/CM2Connection of modulating valve actuators1 120V or 24V valve adaptor2 DIN rail in connection enclosure3 aBH

84Installation – Vitocontrol-S, VD2/CT3/CM2Connection of external contactsA External heating programchangeover or mixing valve “open”Contact closed:Th

85Installation – Vitocontrol-S, VD2/CT3/CM2Connection of the compiled failure alarmRated voltage: 120 VAC 60 HzRated current: max. 2 FLARecommended co

86Installation – Vitocontrol-S, VD2/CT3/CM2Making the LON connectionThe Viessmann LON system is designed for the Line BUS topology with end of line re

87Installation – Vitocontrol-S, VD2/CT3/CM2Making the LON connection(continued)Connection withViessmann LON cable,On-site cable for extensions

88Installation – Vitocontrol-S, VD2/CT3/CM2Installing the control unit front1. Position the front part of the housingand clip hinges to counter-parts

89Installation – Vitocontrol-S, VD2/CT3/CM2Opening the control unit1. Remove the cover of the connectionenclosure.2. Unscrew the screws from the front

9Heating system designsSystem Version 1Vitorond 200, VD2ALON LON connection (available connections with terminator)A Heating circuit with mixing valve

90Initial start-upSteps.Page. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

91Initial start-upFurther step-by-step instructionsChecking the heating circuit allocation (Vitocontrol-S, VD2/CT3/CM2)Check whether the label for he

92Initial start-upFurther step-by-step instructions(continued)Connecting control units to the LON systemThe LON communication module must be plugged i

93Initial start-upFurther step-by-step instructions(continued)Example of a multi-boiler systemMulti boiler systems withcascade control via LON-BUSSet

94Initial start-upFurther step-by-step instructions(continued)Carrying out a participant check (Vitocontrol-S, VD2/CT3/CM2)The communication with the

95Initial start-upFurther step-by-step instructions(continued)Matching coding addresses to respective system versionVitotronic 100In coding 1, set the

96Initial start-upFurther step-by-step instructions(continued)Matching the control unit to a two stage burner (Vitotronic 100, GC1)1. Start up the bur

97Initial start-upFurther step-by-step instructions(continued)Matching the control unit to a modulating burner (Vitotronic 100, GC1)Please note:The bu

98Initial start-upFurther step-by-step instructions(continued)Checking outputs (actuators) and sensorsVitotronic 100Relay test1. Press 9 and simul

99Initial start-upFurther step-by-step instructions(continued)Vitocontrol-S, VD2/CT3/CM2Relay test1. Press 9 and simultaneously forapprox. two second