Viessmann VITOTRONIC 200 Service Instructions Manual page 326

Keyword index
Keyword index
(cont.)
DHW
– Cylinder temperature sensor, bottom.................... 219
– Hysteresis............................................................. 217
– Max. temperature.................................................. 216
– Min. temperature................................................... 216
– Parameter group................................................... 216
– Set temperature 2................................................. 218
– Set value............................................................... 216
– Start optimisation.................................................. 218
– Stop optimisation...................................................218
– Temperature sensor 2........................................... 219
DHW cylinder
– Frost protection....................................................... 43
– Max. temperature.................................................. 216
– Min. temperature................................................... 216
DHW heating..............................................................40
– Blocking time...................................................41, 221
– Cylinder loading pump.......................................... 221
– Cylinder temperature sensor, bottom.................... 219
– Max. duration........................................................ 121
– Max. interruption................................................... 219
– Max. pause duration........................................41, 222
– Max. runtime......................................................... 219
– Priority................................................................... 220
– Set temperature 2................................................. 218
– Start optimisation.................................................. 218
– Stop hysteresis, instantaneous heating water
heater.................................................................... 220
– Stop optimisation...................................................218
– Switching on and off................................................41
– Temperature rise per hour.....................................218
– Temperature sensor 2........................................... 219
– With combi cylinder............................................... 220
– With control high pressure.................................... 220
– With external heat generator.................................213
– With utilisation of power generated on site....... 69, 70
DHW reheating
– Booster heaters.......................................................42
– Enabling.................................................................. 42
– External heat source............................................. 219
– Immersion heater.................................................. 219
– Switching off............................................................42
– Switching on............................................................42
– With external heat generator...................................39
Diagnosis................................................................. 103
– Brief scan.............................................................. 182
– Compressor path...................................................147
– Compressor runtime..............................................136
– Compressor travel.................................................146
– Energy statement.................................................. 178
– Heat pump.............................................................136
– Photovoltaics.........................................................180
– Refrigerant circuit.................................................. 137
– Refrigerant circuit controller........................................
137, 139, 141, 143, 145, 146, 147, 148, 153, 159,
– Software version................................................... 183
– System.................................................................. 120
– System overview................................................... 110
– Ventilation......................................128, 130, 132, 135
326
Differential air flow rate.............................................. 59
Differential pressure switch...................................... 132
Disbalance................................................. 59, 263, 264
Diverter valve
– Heating/DHW heating........................................... 229
Drying buildings........................................................227
Dual mode operation..........................................38, 214
Dual mode temperature, ice store............................207
Duration, intensive mode......................................... 254
Duration, intensive operation............................... 58, 65
Duration of external changeover.............................. 201
E
EA1 extension.............................................. 56, 57, 200
Earth conductor........................................................279
Economy mode.................................................... 58, 65
Economy tariff............................................................ 34
EEV PCB [2].....................................................304, 305
EEV PCB [4].............................................................306
EEV PCB [4-3] / [4-4]............................................... 307
EEV PCB [4-6] / [4-7]............................................... 308
EEV PCB [6].............................................................310
Effect of external blocking................................ 202, 203
Einschalthysterese Solar-Luftabsorber.................... 205
Eisspeicher...............................................................207
– Sommerbetrieb......................................................206
Electrical connections, information...........................279
Electric heater (parameter group)............................ 224
Electric preheating coil........................... 62, 63, 67, 259
Electronic expansion valve....................................... 311
Electronic expansion valve opening...............................
Enable
– Active cooling mode.............................................. 249
– Buffer cylinder for utilisation of power generated on
site.........................................................................269
– Central cooling for utilisation of power generated on
site.........................................................................269
– Central heating for on-site power consumption.....269
– CO2 sensor........................................................... 251
– Compressor stage for central cooling................... 209
– Compressor stage for central heating................... 209
– Compressor stage for DHW heating..................... 209
– DHW heating for on-site power consumption........268
– Electric preheating coil.......................................... 250
– Heating water/coolant buffer cylinder for utilisation of
power generated on site........................................269
– Humidity sensor.................................................... 251
– Hydraulic reheating coil.........................................250
– Set DHW temperature 2........................................268
Enable compressor
– For central heating................................................ 210
– For DHW heating.................................................. 210
– For room cooling................................................... 210
– For swimming pool heating................................... 210
164, 172, 175
139, 141, 143, 144, 146