Viessmann Vitocal 222-A - Page 151

151
Main MCB/fuse, switching on.....................................67
Mains isolator................................................. 53, 67, 82
Maintenance...............................................................59
Max. cable length............................................. 142, 145
Maximum temperature limiter.....................................37
Minimum clearances
– Indoor unit............................................................... 24
– Outdoor unit............................................................ 14
Minimum diameter......................................................28
Minimum flow rate...................................................... 28
Minimum heating system volume...............................28
Minimum room height.................................................25
Mixer extension kit......................................... 37, 41, 71
Modbus distributor......................................................41
N
Non-return valve.........................................................26
O
Off signal.................................................................... 52
ON/OFF switch...........................................................68
On-site connections..................................................... 9
On-site power consumption....................................... 54
Operating noise..........................................................78
Outdoor unit
– Cable lengths.......................................................... 31
– Cleaning.................................................................. 66
– Closing.................................................................... 57
– Dimensions............................................. 10, 141, 145
– Electrical connections, checking............................. 67
– Electrical values............................................ 140, 144
– Installation............................................................... 12
– Installing on foundations......................................... 19
– Internal components................................................82
– Power supply...........................................................47
– Wall mounting..........................................................19
– Weight..................................................... 13, 141, 145
Outdoor unit installation location................................ 13
Outside temperature sensor.................................41, 85
Overview
– Electrical connections............................................. 79
– Internal components..........................................81, 82
– Pumps............................................................... 81, 82
– Sensors............................................................. 81, 82
– Valves................................................................81, 82
Overview of assemblies
– Outdoor unit 230 V~...................................... 105, 113
– Outdoor unit 400 V~..............................................121
Overview of electrical connections.......................35, 44
P
Parameter group selection......................................... 69
Parameters
– Cooling function...................................................... 73
– DHW circulation pump............................................ 71
– Electric booster heater............................................ 74
– Energy meters.........................................................77
– External extension...................................................71
– External functions....................................................72
– For on-site components.......................................... 70
– Heating circuit pump............................................... 71
– Instantaneous heating water heater........................74
– Mixer extension kit.................................................. 71
– Photovoltaics...........................................................77
– Power generated on site......................................... 77
– Remote control........................................................71
– Report................................................................... 128
– Smart Grid...............................................................77
– Solar DHW heating................................................. 74
– Swimming pool water heating................................. 75
– Ventilation..........................................................75, 76
Parameter setting.......................................................69
Parts
– Casing, indoor unit.......................................... 94, 102
– Hydraulics, indoor unit.............................................96
– Indoor unit DHW cylinder...................................... 100
– Outdoor unit...........................................105, 113, 121
– Outdoor unit 230 V~....................................................
105, 106, 110, 113, 114, 116, 118
– Outdoor unit 400 V~......................121, 122, 124, 126
– Outdoor unit types 221.A04 to A08....................... 108
Parts, indoor unit........................................................ 93
PCB
– Controller and sensor PCB..................................... 41
– Expansion PCB....................................................... 38
– Luster terminals.......................................................40
– Main PCB................................................................ 36
Photovoltaics..............................................................77
Pipe separator............................................................26
Platform for unfinished floors..................................... 25
Power cable............................................................... 31
– Heat pump control unit............................................ 47
Power circuits.............................................................46
Power consumption..........................................140, 144
Power generated on site............................................ 77
Power-OFF...........................................................31, 47
– With on-site load disconnection.............................. 52
– Without on-site load disconnection......................... 51
Power-OFF signal................................................ 51, 55
Power supply
– Compressor.............................................................21
– General information.................................................46
– Heat pump control unit................................ 47, 52, 53
– Instantaneous heating water heater........................50
– Outdoor unit............................................................ 47
Premium tariff meter.............................................52, 53
Pressure, checking.....................................................61
Pressure gauge connection....................................... 26
Pressure points.......................................................... 25
Pressure reducer........................................................26
Keyword index
Keyword index (cont.)
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