Viessmann Vitocrossal 200 CM2 Series Informations techniques

Service InstructionsVITOCROSSAL 2005607 706 v1.1 09/2012for use by heating contractorVitocrossal 200 CM2 Series Gas condensing boiler with Pre-mix

105607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Steps – Commissioning, Inspection and Maintenance (continued)7. Remove four 8 mm hex n

115607 706 v1.1Vitocrossal 200 CM2 Service Instructions Steps – Commissioning, Inspection and Maintenance (continued)Conversion to natural gas (NG)

125607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Steps – Commissioning, Inspection and Maintenance (continued)Commissioning, Inspection, M

135607 706 v1.1Vitocrossal 200 CM2 Service Instructions Commissioning, Inspection, MaintenanceSteps – Commissioning, Inspection and Maintenance (con

145607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Steps – Commissioning, Inspection and Maintenance (continued)Supply pressure for NG and

155607 706 v1.1Vitocrossal 200 CM2 Service Instructions Commissioning, Inspection, MaintenanceCO2 Test at the upper heating input1. Press button Y

165607 706 v1.1 Vitocrossal 200 CM2 Service Instructions CO2 Test at the lower heating output 1. Press button B G until the service display B has

175607 706 v1.1Vitocrossal 200 CM2 Service Instructions Commissioning, Inspection, MaintenanceCleaning the combustion chamber and heating surfacesTh

185607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Steps – Commissioning, Inspection and Maintenance (continued)Checking the cylinder burner

195607 706 v1.1Vitocrossal 200 CM2 Service Instructions Commissioning, Inspection, MaintenanceSteps – Commissioning, Inspection and Maintenance (con

25607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Safety, Installation and Warranty RequirementsGeneral InformationPlease ensure that these

205607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Checking all gas connections for leaks Note: The use of leak detecting spray can result i

215607 706 v1.1Vitocrossal 200 CM2 Service Instructions Replacing the Flue Gas Temperature Switch1. Remove the retaining screw and support bar fro

225607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Commissioning, Inspection, MaintenanceCheck proper expansion tank and system pressures Ch

235607 706 v1.1Vitocrossal 200 CM2 Service Instructions Further Details Regarding the Individual StepsFan pressure monitoring function (air pressure

245607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Further Details Regarding the Individual Steps (continued)Burner ServiceGas inlet pressur

255607 706 v1.1Vitocrossal 200 CM2 Service Instructions Burner ServiceBurner Component OverviewCM2 pre-mix cylinder burner 186/246/311LegendA Boiler

265607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Accessing the BoilerBurner Control1. Loosen the two programming unit screws.2. Lift an

275607 706 v1.1Vitocrossal 200 CM2 Service Instructions Burner ServiceBurner Control (continued)Burner Control Coding Card4. Remove coding card fro

285607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Burner Control Programming Unit1. Loosen the two programming unit screws.2. Lift the p

295607 706 v1.1Vitocrossal 200 CM2 Service Instructions Burner ServiceGas Valve (for LPG)WARNINGGas leakage may lead to explosion. Leak test the rec

35607 706 v1.1Vitocrossal 200 CM2 Service Instructions General Information EquipmentToolsg Assortment of flathead and Phillips screwdriversg Pipe

305607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Air Pressure Switch2/2-Way Solenoid Valve (choke valve) (for CM2 186 burner only)1. Disc

315607 706 v1.1Vitocrossal 200 CM2 Service Instructions Burner ServiceIgnition UnitIgnition Cable 1. Remove plug from ignition unit.2. Remove igni

325607 706 v1.1 Vitocrossal 200 CM2 Service Instructions 1. Disconnect the ionization cable from the ionization electrode.2. Remove the two M

335607 706 v1.1Vitocrossal 200 CM2 Service Instructions Burner ServiceInlet Damper Servomotor1. Remove the two M4 (3 mm hex key) screws and wash

345607 706 v1.1 Vitocrossal 200 CM2 Service Instructions 1. Remove the M4 (8 mm hex) nut connecting the linkage to the inlet damper bracket.2.

355607 706 v1.1Vitocrossal 200 CM2 Service Instructions 1. Loosen the retaining clamp and disconnect the combustion air flex hose and set aside

365607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Burner ServiceBurner DoorWARNINGLeak test the reconnected gas line.1. Loosen the retaini

375607 706 v1.1Vitocrossal 200 CM2 Service Instructions CAUTIONUsing leak detection spray may lead to a malfunction. Avoid contact between leak dete

385607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Burner Control UnitDisplay and programming unitA display and programming unit is integrat

395607 706 v1.1Vitocrossal 200 CM2 Service Instructions Burner Control UnitBurner Control Unit (continued)Ignition Safety time Flame establishedPre-

45607 706 v1.1 Vitocrossal 200 CM2 Service Instructions General Information About these Installation InstructionsTake note of all symbols and nota

405607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Burner Control Unit (continued)Information and configuration display The information disp

415607 706 v1.1Vitocrossal 200 CM2 Service Instructions Burner Control UnitBurner Control Unit (continued)Configurations:Menu item Description5 Chan

425607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Burner Control UnitBurner Control Unit (continued)Menu item “6“ is used to change the fol

435607 706 v1.1Vitocrossal 200 CM2 Service Instructions Burner Control Unit Flow DiagramFlow Diagram

445607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Flow DiagramState description:Burner Control Unit Flow Diagram (continued)Phase Display D

455607 706 v1.1Vitocrossal 200 CM2 Service Instructions *fFieldgConnectionsMain Power SupplyNot UsedDisplay InterfaceBurner Control Unit Connection

465607 706 v1.1 Vitocrossal 200 CM2 Service Instructions FaultsFault displayThe fault display is activated automatically if the burner control uni

475607 706 v1.1Vitocrossal 200 CM2 Service Instructions TroubleshootingFault CodesDisplayed Fault CodeSystem Characteristics Cause MeasuresF b7 Burn

485607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Fault Codes (continued)Displayed Fault CodeSystem Characteristics Cause MeasuresF F4 Poor

495607 706 v1.1Vitocrossal 200 CM2 Service Instructions TroubleshootingFault Codes (continued)Displayed Fault CodeSystem CharacteristicsCause Measur

55607 706 v1.1Vitocrossal 200 CM2 Service Instructions Important Regulatory and Installation RequirementsInstructing the system userThe installer o

505607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Parts ListsModel No. Serial No. CM2 186 Boiler 7499084£££££££££CM2 246 Boiler 749

515607 706 v1.1Vitocrossal 200 CM2 Service Instructions PartsParts Lists (continued)Model No. Serial No. CM2 186 Boiler 7499084£££££££££CM2 24

525607 706 v1.1 Vitocrossal 200 CM2 Service Instructions PartsParts Lists (continued)Model No. Serial No. CM2 186 Boiler 7499084£££££££££CM2

535607 706 v1.1Vitocrossal 200 CM2 Service Instructions Maintenance RecordSetting and Test Values Commissioning Maintenance/ServiceStatic Pressure m

545607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Technical DataBoiler Model CM2 186 246 311Boiler Water Content USG 81 77 74(L) (306) (292

555607 706 v1.1Vitocrossal 200 CM2 Service Instructions SpecificationsTechnical Data (continued)Boiler Model CM2 186 246 311Input MBH 663 878 1112(k

5607 706 v1.1 Technical information subject to change without notice.Printed on environmenally friendly (recycled and recyclable) paper.Vitocrossa

65607 706 v1.1 Vitocrossal 200 CM2 Service Instructions Table of ContentsGeneral InformationSafetyCommissioning, Inspection and Maintenance PageS

75607 706 v1.1Vitocrossal 200 CM2 Service Instructions Commissioning, Inspection and Maintenance (continued)Burner ServiceBurner Control UnitFlow Di

85607 706 v1.1 Vitocrossal 200 CM2 Service Instructions If you smell flue gas Shut down the heating system. Ventilate boiler room. Close all do

95607 706 v1.1Vitocrossal 200 CM2 Service Instructions Commissioning the system See the control section of the Installation Instructions and