135
Power cable........................................................... 9, 42
– Heat pump control unit............................................ 33
– Indoor unit................................................................. 9
– Instantaneous heating water heater........................44
– Outdoor unit............................................................ 10
– Switching module, instantaneous heating water
heater...................................................................... 33
Power circuits.............................................................41
Power generated on site............................................ 64
Power-OFF.......................................................9, 42, 44
– Floating contact connection.................................... 37
– Power supply with load disconnect......................... 45
– Power supply without load disconnect.................... 44
Power-OFF signal................................................ 44, 48
Power supply
– Compressor.............................................................40
– General information.................................................41
– Heating water heat pump control unit..................... 38
– Heat pump control unit................................ 42, 45, 46
– Instantaneous heating water heater........................44
– Instantaneous water heater.....................................34
– Outdoor unit............................................................ 42
– With power-OFF......................................................44
Pre-charge pressure, expansion vessel.....................54
Premium tariff meter.............................................45, 46
Pressure, checking.....................................................55
Pressure check.......................................................... 50
Pressure gauge..........................................................30
Pressure gauge connection....................................... 31
Pressure gauge set.................................................... 52
Pressure reducer........................................................31
Pressure sensor......................................................... 70
Product information...................................................... 7
Protective gloves........................................................53
Pumps.................................................................. 69, 70
Q
Quick-action air vent valve................................... 30, 54
R
Radio clock receiver...................................................38
RCD........................................................................... 45
Recommended power cables.......................................9
Reducer, connecting.................................................. 28
Refrigerant..................................................... 23, 52, 53
– Properties................................................................53
– Safety instructions...................................................53
– Skin contact.............................................................52
Refrigerant charge..................................................... 53
Refrigerant circuit............................................. 123, 126
– Charging..................................................................52
– Evacuating.............................................................. 51
– Tightness test..........................................................53
Refrigerant lines
– Connecting.............................................................. 23
– Connection........................................................ 25, 26
– Fitting oil lift bends.................................................. 23
– Line lengths.......................................................23, 52
– Nuts, removing........................................................ 27
– Nuts, sliding on........................................................28
– Purging....................................................................50
– Securing.................................................................. 27
– Union nuts, sliding on..............................................25
Refrigerant properties................................................ 53
Remote control.....................................................38, 62
Removing programmining unit cover......................... 68
Repair work................................................................ 50
Replacing magnesium anode.....................................56
Reports............................................................. 114, 115
Reports, compiling..................................................... 50
Reset button...............................................................65
Residual current device..............................................41
Return temperature sensor, secondary circuit..... 69, 74
Ribbon heater.............................................................11
Ripple control receiver......................................... 45, 46
Room height...............................................................15
Room temperature sensor......................................... 74
Room temperature sensor, cooling circuit..................38
Room volume............................................................. 15
Routing cables........................................................... 33
Rubber mounts.....................................................11, 14
S
Safety assembly.........................................................30
Safety chain............................................................... 38
Safety connections.....................................................37
Safety goggles........................................................... 53
Safety instructions, refrigerant................................... 53
Safety valve..........................................................30, 31
Sealing faces..............................................................21
Seal rings, replacing.............................................30, 54
Secondary circuit
– Filling and venting................................................... 53
Secondary circuit, connecting.................................... 29
Secondary circuit, filling and venting..........................54
Secondary circuit connection..................................... 30
Secondary circuit connection set............................... 29
Secondary pump........................................................ 69
Sensors................................................................ 69, 70
Sensors, checking......................................................74
Service menu
– Activating.................................................................60
– Calling up................................................................ 60
– Deactivating............................................................ 60
Service termination.................................................... 60
Service valve
– External unit................................................ 51, 52, 53
– Indoor unit............................................................... 69
– Outdoor unit............................................................ 51
Short circuit magnesium anode:internal indirect
coil........................................................................56, 57
Side cover, outdoor unit............................................. 48
Signal connections..................................................... 37
Keyword index
Keyword index
(cont.)
5776 028 GB
Summary of Contents for AWT 221.A04
Page 77: ...77 Maintenance Checking the fuses cont 5776 028 GB Maintenance...
Page 87: ...87 Indoor unit parts lists Indoor unit hydraulics cont 5776 028 GB Components...
Page 90: ...90 Indoor unit parts lists Indoor unit cylinder cont 5776 028 GB Components...
Page 137: ...137 Wind direction 11 Wind loads 11 Keyword index Keyword index cont 5776 028 GB...
Page 138: ...138 5776 028 GB...
Page 139: ...139 5776 028 GB...
