6
1. Information Symbols ................................................................................................. 8
Intended use .......................................................................................... 8
Product information ................................................................................ 9
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Information for twin boilers ................................................................. 9
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System examples ............................................................................... 9
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Spare parts lists .................................................................................. 9
2. Commissioning, inspec-
tion, maintenance
Steps – commissioning, inspection and maintenance ........................... 10
3. Code 1 Calling up coding level 1 ........................................................................ 36
General/Group "1" ................................................................................. 36
Boiler/Group "2" ..................................................................................... 38
DHW/Group "3" ...................................................................................... 39
Solar/Group "4" ...................................................................................... 39
Heating circuit 1, heating circuit 2, heating circuit 3/Group "5" .............. 40
4. Code 2 Calling up coding level 2 ........................................................................ 44
General/Group "1" ................................................................................. 44
Boiler/Group "2" ..................................................................................... 50
DHW/Group "3" ...................................................................................... 51
Solar/Group "4" ...................................................................................... 52
Heating circuit 1, heating circuit 2, heating circuit 3/Group "5" .............. 56
5. Diagnosis and service
scans
Service level, weather-compensated control unit .................................. 62
Diagnosis, weather-compensated control unit ....................................... 62
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Calling up operating data .................................................................... 62
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Brief scan ............................................................................................ 63
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Testing outputs (relay test) ................................................................. 64
Service level, constant temperature control unit .................................... 64
Diagnosis, constant temperature control unit ........................................ 64
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Testing outputs (relay test) ................................................................. 66
6. Troubleshooting Fault display ........................................................................................... 67
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Weather-compensated control unit ..................................................... 67
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Constant temperature control unit ...................................................... 67
Fault codes ............................................................................................ 68
7. Maintenance Checking the outside temperature sensor ............................................. 75
Checking the cylinder temperature sensor ............................................ 76
Checking the boiler water temperature sensor ...................................... 76
Checking the flue gas temperature sensor ............................................ 77
Checking the fuse .................................................................................. 78
Mixer extension kit ................................................................................. 79
Checking the Vitotronic 200-H (accessories) ......................................... 80
8. Function description Weather-compensated control unit ........................................................ 81
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Heating mode ..................................................................................... 81
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DHW heating ...................................................................................... 81
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Boosting DHW heating ....................................................................... 81
Internal extensions ................................................................................. 82
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Internal H1 extension .......................................................................... 82
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Internal H2 extension .......................................................................... 83
External extension (accessories) ........................................................... 84
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AM1 extension .................................................................................... 84
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EA1 extension .................................................................................... 85
Control functions .................................................................................... 86
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External operating program changeover ............................................ 86
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External blocking ................................................................................ 87
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External demand ................................................................................ 87
Index
Index
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