Viessmann Vitotronic 100 Installation And Service Instructions Manual page 5

Index
8. Service checks
9. Troubleshooting
10. Parts lists
11. Parts list type KC2B
12. Parts list type KC4B
13. Function description
Group 2 "Boiler" ..................................................................................... 37
Group 3 "DHW" ...................................................................................... 38
Group 4 "Solar" ...................................................................................... 39
Group 5 "Heating circuit 1" .................................................................... 43
Calling up the service level .................................................................... 44
Exiting the service level ......................................................................... 44
Operating data ....................................................................................... 44
Checking operating data ..................................................................... 44
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Calling up operating data .................................................................... 44
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Resetting operating data .................................................................... 44
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Brief scan ............................................................................................... 44
Service display ....................................................................................... 45
Acknowledging the service display ..................................................... 46
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Calling up acknowledged service displays ......................................... 46
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Fault display ........................................................................................... 47
Acknowledging a fault display ............................................................ 47
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Calling up acknowledged fault displays .............................................. 47
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Calling up fault codes from the fault memory (fault history) ............... 47
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Deleting the fault history ..................................................................... 47
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Fault codes ......................................................................................... 47
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Faults that are not displayed at the programming unit .......................... 50
Boiler cold, burner does not start ........................................................ 50
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Heating circuit pump is not running although boiler water tempera-
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ture is sufficiently high ........................................................................ 51
Checking the sensors ............................................................................ 51
Boiler water, cylinder and buffer temperature sensors ....................... 51
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Flue gas temperature sensor .............................................................. 51
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Checking the fuses ................................................................................ 52
Ordering parts ........................................................................................ 53
Casing assembly ................................................................................... 54
PCB assembly ....................................................................................... 56
Casing assembly ................................................................................... 58
PCB assembly ....................................................................................... 60
Boiler water temperature control ............................................................ 62
Brief description .................................................................................. 62
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Functions ............................................................................................ 62
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Control sequence ............................................................................... 63
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Cylinder temperature control ................................................................. 63
Brief description .................................................................................. 63
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Functions ............................................................................................ 63
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Control sequence ............................................................................... 64
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EA1 extension ........................................................................................ 65
Digital data inputs DE1 to DE3 ........................................................... 65
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Analogue input 0 - 10 V ...................................................................... 65
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Output .......................................................................................... 66
aBJ
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External H5 extension ............................................................................ 66
External burner blocking ..................................................................... 67
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External safety equipment .................................................................. 67
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Temporary operation (burner stage 1) ................................................ 67
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Motorised flue gas damper ................................................................. 68
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Vitoair draught stabiliser ........................................................................ 69
Function check ................................................................................... 69
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Motor faulty ......................................................................................... 69
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Index
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