Viessmann VITOTRONIC 200 Service Instructions Manual page 5

Index
4. Troubleshooting
Notes on minimum flow rate ............................................................... 48
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System configurations ........................................................................ 48
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Weather-compensated control ............................................................ 50
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Room temperature-dependent control ................................................ 51
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Heating limit and cooling limit ............................................................. 51
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Changeover between central heating and central cooling .................. 51
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Starting central heating ....................................................................... 52
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Switching off central heating ............................................................... 52
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Starting central cooling ....................................................................... 52
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Deactivating central cooling ................................................................ 53
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Operating status for central heating/cooling ....................................... 53
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Central heating with booster heaters .................................................. 54
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Central heating with ventilation unit (supply air heating) .................... 54
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Cooling via a separate cooling circuit ................................................. 54
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Natural cooling function (NC)
Active cooling function (AC)
System without buffer cylinder ............................................................ 55
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System with heating water buffer cylinder .......................................... 55
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System with heating water/coolant buffer cylinder .............................. 56
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Swimming pool heating .......................................................................... 56
Switching swimming pool heating on and off ...................................... 56
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Connections at EA1 extension ........................................................... 57
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Mechanical ventilation ........................................................................... 57
Mechanical ventilation with Vitovent 200-C/300-F ................................. 58
Controlled mechanical ventilation ....................................................... 58
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Passive heating .................................................................................. 59
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Passive cooling ................................................................................... 60
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Vitovent 200-C: Frost protection ......................................................... 61
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Vitovent 300-F: Frost protection ......................................................... 63
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Vitovent 300-F: Supply air heating ...................................................... 63
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Protection against excessively high temperatures ............................. 64
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Vitovent 300-F: Humidity and/or CO
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Mechanical ventilation with Vitovent 200-W/300-C/300-W .................... 65
Controlled mechanical ventilation ....................................................... 65
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Passive cooling ................................................................................... 66
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Cooling via geothermal heat exchanger ............................................. 67
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Frost protection with factory-fitted electric preheating coil .................. 67
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Frost protection with additional electric preheating coil ...................... 67
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Frost protection with geothermal heat exchanger .............................. 67
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Protection against excessively high temperatures ............................. 68
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Humidity and/or CO concentration control ........................................ 68
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Photovoltaics ......................................................................................... 69
Enabling utilisation of power generated on site .................................. 70
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Output matching ................................................................................. 70
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DHW heating ...................................................................................... 70
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Buffer cylinder heating ........................................................................ 71
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Central heating ................................................................................... 71
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Cooling the heating water/coolant buffer cylinder ............................... 72
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Central cooling .................................................................................... 72
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Overview ................................................................................................ 73
Calling up messages ............................................................................. 74
Message overview ................................................................................. 75
02 Data error stand.settg .................................................................... 75
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03 Configuration fault ......................................................................... 75
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04 Elec. heating blocked .................................................................... 77
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05 Refrigerant circuit .......................................................................... 77
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07 Refrigerant circuit .......................................................................... 78
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09 Electricity meter PV ....................................................................... 78
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............................................................ 55
/ ................................................... 55
concentration control ............... 64
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Index
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