Viessmann VITOCAL 250-A - Page 20

20
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A.99 Secondary circuit flow temperature too low ............................... 181
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A.100 Settings deleted ....................................................................... 182
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A.101 Hot gas temperature not plausible ........................................... 182
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A.102 Suction gas temperature not plausible ..................................... 182
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A.109 Actual boiler temperature too low .............................................182
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A.110 Temperature of external heat generator 1 ................................ 183
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A.111 Temperature of external heat generator 2 ................................ 183
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A.152 Wallbox overload protection not active .....................................183
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A.153 No PV-optimised charging ........................................................183
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A.159 Factory setting, inverter ............................................................184
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A.162 Inverter overvoltage, intermediate circuit ................................. 184
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A.163 Overvoltage in the inverter intermediate circuit ........................ 184
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A.164 DC voltage in the inverter intermediate circuit ......................... 184
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A.174 Interior temperature too high .................................................... 185
Service messages ................................................................................. 185
Status messages ................................................................................... 185
Information messages ........................................................................... 188
12. Appendix Overview of subscriber numbers ........................................................... 192
CAN bus cable .......................................................................................192
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Terminator ...........................................................................................192
Temperature sensors ............................................................................. 193
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Temperature sensors in the indoor unit .............................................. 193
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Temperature sensors in the outdoor unit ............................................ 195
Pressure sensors ...................................................................................197
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Water pressure sensor in the indoor unit ............................................197
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Pressure sensors in the outdoor unit .................................................. 197
Status display, internal circulation pumps ..............................................197
13. Certificates Declarations of Conformity for the heat pump ....................................... 199
14. Keyword index ................................................................................................................200
Index
Index (cont.)
6218234