Viessmann Vitocrossal 200 CM2 500 Service Instructions Manual page 5

Vitocrossal 200, CM2 400, 500 and 620 Service
Burner Service
Boiler Control
Burner Control Unit
Flow Diagram
Connection Diagram
Troubleshooting
Parts
Specifications
Inspection and Maintenance
Further Details Regarding the Individual Steps..............31
Fan pressure monitoring function
(air pressure switch 1) ..........................................31
Combustion chamber pressure monitoring
(air pressure switch 2) .........................................31
Gas inlet pressure monitoring switch - GDW1...........32
Valve seat gas pressure monitoring switch - GDW2...32
Auxiliary low gas pressure switch...............................34
Burner Component Overview......................................35
CM2 pre-mix cylinder burner 400/500/620................35
Accessing the Burner.................................................36
Burner Control..........................................................36
Burner Control Coding Card.......................................37
Burner Control Programming Unit................................38
Gas Valve................................................................38
Ignition Unit.............................................................39
Ignition Cable...........................................................39
Motorized Burner Inlet Damper....................................40
Inlet Damper Servomotor...........................................40
Inlet Damper Linkage.................................................41
Plug Console with Relay.............................................41
Burner Fan...............................................................42
Burner Tube.............................................................42
Burner Door.............................................................44
Burner Door Refractory..............................................46
Further Installation and Initial Start Up Instructions.......47
Boiler Water Temperature Sensor................................47
Flue Gas Temperature Sensor.....................................48
Burner Control Unit...................................................49
Display and programming unit.................................49
Operating display...................................................49
Information and configuration display.......................51
Resetting Operating Parameters to their Factory Settings..53
Manual Mode and Service Display...............................53
Burner Control Unit Flow Diagram...............................54
Burner Control Unit Connection Diagram......................56
Faults......................................................................57
Fault display..........................................................57
Fault memory.........................................................57
Fault Codes..............................................................58
General process errors............................................58
Internal system fault...............................................61
Faults Without Fault Display.......................................61
Installation Fittings....................................................62
Parts Lists................................................................63
Technical Data.........................................................69
Cylinder Burner........................................................71
Maintenance Record..................................................72
Maintenance Schedule...............................................73
Table of Contents
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