Viessmann VITOTRONIC 300-K Operations Instructions

Please file in Service BinderVITOTRONIC r 200VITOTRONIC r 300-KVitotronic 200, Type HO1B Digital boiler control unitVitotronic 300-K, Type MW2B Weathe

Vitotronic 200 and 300-K Installation and Service5693 976 - 0410Installation SequencePreparing Boilers for Cascade Mode (continued)Installation of the

115693 976 - 04Vitotronic 200 and 300-K Installation and ServiceInstallation SequenceClosing the control unit cover1. Install the cover onto the cont

Vitotronic 200 and 300-K Installation and Service5693 976 - 0412IMPORTANTPreparing Boilers for Cascade Mode (continued)Installation SequenceThe follow

135693 976 - 04Vitotronic 200 and 300-K Installation and ServiceInstallation SequenceOverview of Electrical Connections, Vitotronic 300-KElectrical co

Vitotronic 200 and 300-K Installation and Service5693 976 - 0414Installation SequenceOverview of Electrical Connections, Vitotronic 300-K (continued)L

155693 976 - 04Vitotronic 200 and 300-K Installation and ServiceInstallation SequenceMounting the Control Unit1. Fasten metal backplate onto mounting

Vitotronic 200 and 300-K Installation and Service5693 976 - 0416Installation SequenceLegendA Cables with moulded strain reliefB On-site cables; strip

175693 976 - 04Vitotronic 200 and 300-K Installation and ServiceInstallation SequenceConnecting PumpsPumps 120VRated current: 2 A~* Maximum pump out

Vitotronic 200 and 300-K Installation and Service5693 976 - 0418Installation Sequence 120V External Connection120V pumps with an amperage draw of >

195693 976 - 04Vitotronic 200 and 300-K Installation and ServiceInstallation SequenceConnecting ActuatorsAvailable connectionsgS A1 Motor for 3-way mi

Vitotronic 200 and 300-K Installation and Service5693 976 - 042GeneralSafety, Installation and Warranty RequirementsPlease ensure that these instructi

Vitotronic 200 and 300-K Installation and Service5693 976 - 0420Installation SequenceConnecting the Central Fault Message Facility Rated voltage

215693 976 - 04Vitotronic 200 and 300-K Installation and ServiceInstallation SequenceExternal Demand via 0–10V InputDemand for a system supply tempera

Vitotronic 200 and 300-K Installation and Service5693 976 - 0422The mixing valves are opened A or closed B when the contact is closed.Note: ‘Live’ co

235693 976 - 04Vitotronic 200 and 300-K Installation and ServicePreselected heating program (Contact open) Coding Changed heating program (Contact clo

Vitotronic 200 and 300-K Installation and Service5693 976 - 0424Installation SequenceMaking the LON Connection (continued)LegendA Control unit or Vito

255693 976 - 04Vitotronic 200 and 300-K Installation and ServiceInstallation SequencePower SupplyWARNINGThe control must be grounded.Ensure that “L”,

Vitotronic 200 and 300-K Installation and Service5693 976 - 0426Installation Sequence Fitting the Front Part of the Control UnitNote: Route the ribbo

275693 976 - 04Vitotronic 200 and 300-K Installation and ServiceCommissioningChanging the LanguageThe cascade communication module must be fitted into

Vitotronic 200 and 300-K Installation and Service5693 976 - 0428CommissioningConfiguring a Multi Boiler System (continued)ABCDEBoiler number 1Code “07

295693 976 - 04Vitotronic 200 and 300-K Installation and ServiceCommissioningConnecting the Control Unit to the LON System H See also chapter “Configu

35693 976 - 04Vitotronic 200 and 300-K Installation and ServiceTable of Contents PageGeneralSafetyPreparing for InstallationInstallation SequencesComm

Vitotronic 200 and 300-K Installation and Service5693 976 - 0430CommissioningIn code 1, set the following coding addresses:“00” System scheme“35” Numb

315693 976 - 04Vitotronic 200 and 300-K Installation and ServiceCommissioningChecking Outputs Actuators and SensorsTesting the relay – Vitotronic 300-

Vitotronic 200 and 300-K Installation and Service5693 976 - 0432Checking sensors – Vitotronic 300-K1. Press OK and simultaneously for approx. 4 sec.

335693 976 - 04Vitotronic 200 and 300-K Installation and ServiceCommissioningChecking Outputs on Actuators and Sensors (continued)Standard room temper

Vitotronic 200 and 300-K Installation and Service5693 976 - 0434Calling up Coding Level 1 – Vitotronic 200For the Vitotronic 200, see boiler Service I

355693 976 - 04Vitotronic 200 and 300-K Installation and ServiceCodingCoding in the factory setting Possible changeSystem design (boiler connected to

Vitotronic 200 and 300-K Installation and Service5693 976 - 0436Coding 1 Vitotronic 300-K1. Press OK and simultaneously for approx. 4 sec.2. “Codin

375693 976 - 04Vitotronic 200 and 300-K Installation and ServiceCoding 1 Vitotronic 300-K“General” GroupCodingCoding in the factory set condition Poss

Vitotronic 200 and 300-K Installation and Service5693 976 - 0438“Cascade” Group CodingCoding in the factory set condition Possible changeNumber of boi

395693 976 - 04Vitotronic 200 and 300-K Installation and Service“Solar” GroupCodingCoding in the factory set condition Possible changeSpeed control so

Table of Contents4 Page5693 976 - 03Vitotronic 200 and 300-K Installation and ServiceCoding 1 Vitotronic 200Coding 1 Vitotronic 300-KCoding 2 Vitotron

Vitotronic 200 and 300-K Installation and Service5693 976 - 0440“Heating Circuit 1, Heating Circuit 2, Heating Circuit 3” GroupParameter address A5:..

415693 976 - 04Vitotronic 200 and 300-K Installation and Service“Heating Circuit 1, Heating Circuit 2, Heating Circuit 3” Group (continued)Coding in t

Vitotronic 200 and 300-K Installation and Service5693 976 - 0442“Heating Circuit 1, Heating Circuit 2, Heating Circuit 3” Group (continued)Coding in t

435693 976 - 04Vitotronic 200 and 300-K Installation and Service“Heating Circuit 1, Heating Circuit 2, Heating Circuit 3” Group (continued)Coding in t

Vitotronic 200 and 300-K Installation and Service5693 976 - 0444Coding 2 Vitotronic 200Calling up Coding Level 2 – Vitotronic 200Note: At coding level

455693 976 - 04Vitotronic 200 and 300-K Installation and ServiceCoding 2 Vitotronic 200“General” GroupCodingCoding in the factory setting Possible cha

Vitotronic 200 and 300-K Installation and Service5693 976 - 0446CodingCoding in the factory setting Possible change3B:0 Function input DE2 at extensio

475693 976 - 04Vitotronic 200 and 300-K Installation and Service“General” GroupCodingCoding in the factory setting Possible change53:1Function connect

Vitotronic 200 and 300-K Installation and Service5693 976 - 0448Coding 2 Vitotronic 200CodingCoding in the factory setting Possible change01:2 Do not

495693 976 - 04Vitotronic 200 and 300-K Installation and ServiceCalling up Coding Level 2 – Vitotronic 300-KNote: H In coding level 2, all codes are a

55693 976 - 04Vitotronic 200 and 300-K Installation and ServiceSafetyTake note of all symbols and notations intended to draw attention to potential ha

Vitotronic 200 and 300-K Installation and Service5693 976 - 0450“General” GroupValue address 00: ...System version Description2 1 One heating circuit

515693 976 - 04Vitotronic 200 and 300-K Installation and Service“General” Group (continued)Coding in the factory set condition Possible change50:10 St

Vitotronic 200 and 300-K Installation and Service5693 976 - 0452“General” Group (continued)Coding in the factory set condition Possible change76:0 Wit

535693 976 - 04Vitotronic 200 and 300-K Installation and Service“General” Group (continued)Coding in the factory set condition Possible change82:3 Sum

Vitotronic 200 and 300-K Installation and Service5693 976 - 0454“General” Group (continued)Coding in the factory set condition Possible change99:0Conn

555693 976 - 04Vitotronic 200 and 300-K Installation and Service“Cascade” GroupCodingCoding in the factory set condition Possible change35:4 4 boilers

Vitotronic 200 and 300-K Installation and Service5693 976 - 0456“Cascade” Group (continued)Coding in the factory set condition Possible change42:31 No

575693 976 - 04Vitotronic 200 and 300-K Installation and Service“DHW” Group CodingCoding in the factory set condition Possible change55:0 DHW tank hea

Vitotronic 200 and 300-K Installation and Service5693 976 - 0458“DHW” Group (continued)Coding in the factory set condition Possible change67:40 With t

595693 976 - 04Vitotronic 200 and 300-K Installation and Service“Solar” GroupOnly in conjunction with solar control module, type SM1.CodingCoding in t

Vitotronic 200 and 300-K Installation and Service5693 976 - 046If you smell gasH Don’t smoke! Don’t use naked flames or cause sparks (e.g. by swit

Vitotronic 200 and 300-K Installation and Service5693 976 - 0460“Solar” Group (continued)Coding in the factory set condition Possible change0E:1 Calcu

615693 976 - 04Vitotronic 200 and 300-K Installation and Service“Solar” Group (continued)Coding in the factory set condition Possible change24:40 Star

Vitotronic 200 and 300-K Installation and Service5693 976 - 0462“Heating Circuit 1, Heating Circuit 2, Heating Circuit 3” GroupCodingCoding in the fac

635693 976 - 04Vitotronic 200 and 300-K Installation and Service“Heating Circuit 1, Heating Circuit 2, Heating Circuit 3” Group (continued)Coding in t

Vitotronic 200 and 300-K Installation and Service5693 976 - 0464“Heating Circuit 1, Heating Circuit 2, Heating Circuit 3” Group (continued)Coding in t

655693 976 - 04Vitotronic 200 and 300-K Installation and Service“Heating Circuit 1, Heating Circuit 2, Heating Circuit 3” Group (continued)Coding in t

Vitotronic 200 and 300-K Installation and Service5693 976 - 0466“Heating Circuit 1, Heating Circuit 2, Heating Circuit 3” Group (continued)Coding in t

675693 976 - 04Vitotronic 200 and 300-K Installation and ServiceService ScansCalling up the Service LevelVitotronic 2001. Press OK and simultaneous

Vitotronic 200 and 300-K Installation and Service5693 976 - 0468Service ScansScanning Operating Data H Vitotronic 300-K:

695693 976 - 04Vitotronic 200 and 300-K Installation and ServiceService ScansBrief Scan Vitotronic 200In the brief scan, you can scan temperatures, so

75693 976 - 04Vitotronic 200 and 300-K Installation and ServicePreparing for InstallationSystem ExampleMulti boiler system with several heating circui

Vitotronic 200 and 300-K Installation and Service5693 976 - 0470In the brief scan, you can scan temperatures, software versions and connected componen

715693 976 - 04Vitotronic 200 and 300-K Installation and ServiceTroubleshootingFault Display Vitotronic 200Calling up acknowledged fault messagesExten

Vitotronic 200 and 300-K Installation and Service5693 976 - 0472TroubleshootingFault Display Vitotronic 300-K (continued)Fault codesDisplayed fault co

735693 976 - 04Vitotronic 200 and 300-K Installation and ServiceTroubleshootingFault Display Vitotronic 300-K (continued)Fault codesDisplayed fault co

Vitotronic 200 and 300-K Installation and Service5693 976 - 0474TroubleshootingFault Display Vitotronic 300-K (continued)Fault codesDisplayed fault co

755693 976 - 04Vitotronic 200 and 300-K Installation and ServiceTroubleshootingFault Display Vitotronic 300-K (continued)Fault codesDisplayed fault co

Vitotronic 200 and 300-K Installation and Service5693 976 - 0476TroubleshootingFault Display Vitotronic 300-K (continued)Fault codesDisplayed fault co

775693 976 - 04Vitotronic 200 and 300-K Installation and ServiceTroubleshootingFault Display Vitotronic 300-K (continued)Fault codesDisplayed fault co

Vitotronic 200 and 300-K Installation and Service5693 976 - 0478Function Description, Vitotronic 200Boiler Water Temperature ControlBrief description

795693 976 - 04Vitotronic 200 and 300-K Installation and ServiceFunction Description, Vitotronic 300-KCascade Control Control sequenceStand-alone cont

Vitotronic 200 and 300-K Installation and Service5693 976 - 048Preparing for InstallationSystem Example (continued)Vitotronic 200 (set codes at every

Vitotronic 200 and 300-K Installation and Service5693 976 - 0480Condensing strategy H It is the aim of the condensing strategy to operate as many

815693 976 - 04Vitotronic 200 and 300-K Installation and ServiceFunction Description, Vitotronic 300-KCascade Control (continued)Rated output inTotal

Vitotronic 200 and 300-K Installation and Service5693 976 - 0482Brief description H The control unit comprises control circuits for one heating circui

835693 976 - 04Vitotronic 200 and 300-K Installation and ServiceFunction Description, Vitotronic 300-KHeating Circuit Control (continued)System dynami

Vitotronic 200 and 300-K Installation and Service5693 976 - 0484Function Description, Vitotronic 300-KHeating Circuit Control (continued)Raising the r

855693 976 - 04Vitotronic 200 and 300-K Installation and ServiceFunction Description, Vitotronic 300-KDHW Tank Temperature ControlIn conjunction with

Vitotronic 200 and 300-K Installation and Service5693 976 - 0486Function Description, Vitotronic 300-KDHW Tank Temperature Control (continued)Control

875693 976 - 04Vitotronic 200 and 300-K Installation and ServiceDesignsConnection and Wiring DiagramsOverviewLegendA1 Extension PCB heating circuits

Vitotronic 200 and 300-K Installation and Service5693 976 - 0488DesignsConnection and Wiring Diagrams (continued)Main PCB LVLegend! Outside temperat

895693 976 - 04Vitotronic 200 and 300-K Installation and ServiceDesignsConnection and Wiring Diagrams (continued)Main PCB 120V~LegendsÖ Heating circ

95693 976 - 04Vitotronic 200 and 300-K Installation and ServiceInstallation SequencePreparing Boilers for Cascade ModeOpening the control unit coverFo

Vitotronic 200 and 300-K Installation and Service5693 976 - 0490ComponentsSensorsNote: H The supply temperature sensor can be used as a con

915693 976 - 04Vitotronic 200 and 300-K Installation and ServiceComponentsExtension for Heating Circuits 2 and 3 (accessory)For connecting two extensi

Vitotronic 200 and 300-K Installation and Service5693 976 - 0492ComponentsMixing Valve Motor KitComponents: H Mixing valve motor (not for flanged mixi

5693 976 - 04Vitotronic 200 and 300-K Installation and Service93Components Extension EA1 Accessory (optional)The DHW recirculation pump is started by

Vitotronic 200 and 300-K Installation and Service5693 976 - 0494Parts ListsParts ListWhen ordering spare parts:Quote the part and serial no. (see type

955693 976 - 04Vitotronic 200 and 300-K Installation and ServiceSpecificationFor the Vitotronic 200, see boiler Service InstructionsRated voltage

Vitotronic 200 and 300-K Installation and Service5693 976 - 04 Technical information subject to change without notice. Printed on