Viessmann VITOCAL 242-G Installation And Service Instructions Manual page 104

Keyword index
Keyword index
(cont.)
Overview
– Electrical connections............................................. 52
– Internal components................................................55
– Pumps..................................................................... 55
– Sensors................................................................... 55
– System schemes.....................................................46
– Valves......................................................................55
Overvoltage................................................................36
P
Parameter group selection......................................... 45
Parameters
– Circulation pumps for cylinder heating.................... 47
– Cooling function...................................................... 48
– DHW circulation pump............................................ 47
– Electric booster heater............................................ 49
– Energy meters.........................................................50
– External extension...................................................47
– External functions....................................................48
– Heating circuit pump............................................... 47
– Ice store system...................................................... 51
– Instantaneous heating water heater........................49
– Mixer extension kit.................................................. 47
– On-site components................................................ 46
– Photovoltaics...........................................................50
– Remote control........................................................47
– Reports....................................................................88
– Smart Grid...............................................................50
– Solar DHW heating................................................. 48
– Swimming pool water heating................................. 49
– Utilisation of power generated on site..................... 50
– Ventilation................................................................49
– Vitocom 100............................................................ 47
Parameter setting.......................................................45
Parts lists
– Type BWT 241.A..................................................... 60
– Type BWT-M 241.A................................................. 72
Permiss. operating pressure.......................... 41, 96, 99
Phase asymmetry...................................................... 36
Phase monitor...................................................... 35, 52
– Version 1................................................................. 36
– Version 2................................................................. 36
– Version 3................................................................. 37
Photovoltaics..............................................................50
Pipe entries.................................................... 18, 19, 20
Pipe separator............................................................21
Power, switching on................................................... 43
Power cable............................................................... 30
– Compressor.............................................................31
– Instantaneous heating water heater........................31
Power cables................................................................9
Power circuits.............................................................30
Power consumption..............................................96, 98
Power-OFF
– Floating contact connection.................................... 26
– Power supply with load disconnect......................... 32
– Power supply without load disconnect.................... 31
Power-OFF signal................................................ 31, 35
104
Power supply........................................................29, 35
– Compressor...........................................30, 31, 52, 53
– Heating water heat pump control unit..................... 27
– Heat pump control unit................................ 30, 32, 33
– Instantaneous heating water heater........................31
Power supply with power-OFF
– With on-site load disconnect................................... 32
– Without on-site load disconnect.............................. 31
Premium tariff meter.............................................32, 33
Pressure, checking.....................................................41
Pressure gauge..........................................................20
Pressure gauge connection....................................... 21
Pressure reducer........................................................21
Primary circuit
– Connecting.............................................................. 20
– Filling and venting................................................... 40
Primary circuit pressure switch.................................. 37
Primary pump.................................................52, 53, 55
– Setting..................................................................... 40
Product information...................................................... 7
Programming unit.....................................52, 53, 65, 77
Pumps........................................................................ 55
Q
Quick-action air vent valve......................................... 20
R
Radio clock receiver...................................................27
RCD..................................................................... 29, 32
Refrigerant circuit................................................. 96, 98
– Checking for leaks...................................................39
Remote control.....................................................28, 47
Removing programmining unit cover......................... 54
Repairs.......................................................................39
Replacing magnesium anode.....................................42
Reports.......................................................................88
– Control parameters................................................. 88
– Writing commissioning reports................................ 39
Request for commissioning......................................100
Return temperature sensor, secondary circuit........... 55
Return temperature sensor, solar circuit.. 28, 55, 65, 78
Ripple control receiver......................................... 32, 33
Room height...............................................................10
Room temperature sensor......................................... 56
Room temperature sensor, cooling circuit..................28
Room volume............................................................. 10
Routing cables........................................................... 22
Run capacitor............................................................. 53
S
Safety assembly.........................................................20
Safety chain............................................. 27, 36, 52, 53
Safety equipment................................................. 52, 53
Safety high pressure switch........................... 55, 67, 81
Safety valve..........................................................20, 21
Schrader valve
– High pressure side.................................................. 55
– Low pressure side................................................... 55
Sealing faces..............................................................18
Seal rings, replacing.............................................37, 40