131
A
Air discharge.............................................................. 12
Air discharge grille removal........................................57
Air intake.................................................................... 12
Air short circuit........................................................... 12
Air vent valve, DHW cylinder......................................69
Air vent valve, secondary circuit.................................70
Ambient temperatures................................................15
Anode earth current................................................... 56
Anode tester...............................................................56
Anti-vibration mounts..................................................11
Appliance, starting......................................................58
Appliance fuses, checking..........................................76
Assembly....................................................................21
– Outdoor unit, type AWT/AWT-AC 221.A04............. 92
– Outdoor unit, type AWT/AWT-AC 221.A05/A07...... 96
– Outdoor unit, type AWT/AWT-AC 221.A10/
A13..................................................................99, 100
– Outdoor unit, type AWT/AWT-AC 221.B10/B13/
B16........................................................................107
Assembly, casing
– Outdoor unit, type AWT/AWT-AC 221.B10/B13/
B16........................................................................108
Assembly, DHW cylinder
– Indoor unit............................................................... 88
Assembly, electrical equipment
– Outdoor unit, type AWT/AWT-AC 221.A10/A13.... 102
– Outdoor unit, type AWT/AWT-AC 221.B10/B13/
B16........................................................................ 110
Assembly, hydraulic
– Indoor unit............................................................... 84
Assembly, hydraulics
– Outdoor unit, type AWT/AWT-AC 221.A10/A13.... 104
– Outdoor unit, type AWT/AWT-AC 221.B10/B13/
B16........................................................................ 112
Assembly, outdoor unit.........................................91, 95
AVI PCB......................................................... 34, 39, 41
B
BDF valve...................................................................73
Bracket set............................................................11, 14
Buffer temperature sensor................................... 38, 74
Bus cable....................................................... 32, 33, 40
– Connection.............................................................. 41
BUS cable.................................................................... 9
BUS connecting cable................................................40
Bypass, heating water buffer cylinder........................ 35
C
Cable cross-section..........................................9, 10, 43
– Instantaneous heating water heater power cable... 44
– Power cable, heat pump control unit.......................42
Cable entry...................................................................8
Cable insertion........................................................... 33
Cable length..................................................... 9, 10, 43
Cable lengths............................................................... 9
Cable routing..............................................................33
Cables/leads.............................................................. 24
Casing assembly
– Indoor unit............................................................... 80
Casing parts
– Indoor unit............................................................... 80
Casing spare parts
– Indoor unit............................................................... 80
Charging
– Refrigerant circuit.................................................... 52
Checking
– Fuses...................................................................... 76
– Sensors................................................................... 74
Checking brazed joints...............................................53
Checking threaded fittings..........................................53
Check valve................................................................31
Chilled ceiling............................................................. 31
Cleaning cylinder........................................................55
Coding card
– Slot.......................................................................... 39
Coding level 1............................................................ 59
Cold water connection..................................8, 124, 127
Commissioning.............................................50, 59, 129
Commissioning assistant........................................... 59
Commissioning order............................................... 129
Commissioning report................................................ 50
Communication interface........................................... 38
Communication module, LON.................................... 39
Compensating vibrations............................................24
Components, 230 V~..................................... 33, 35, 37
Compressor....................................................71, 72, 73
Compressor max. tilting angle....................................13
Concrete foundations................................................. 14
Condensate drain................................................. 11, 14
Condensate pan......................................................... 11
Condensation damage............................................... 22
Connecting cable, indoor/outdoor unit..... 32, 33, 40, 41
Connecting cable, internal/external unit....................... 9
Connecting cables........................................................9
– 230 V~ components................................................ 33
Connecting leads
– Low voltage............................................................. 33
Connection
– Bus cable................................................................ 39
– Cooling circuit..........................................................31
– DHW........................................................................31
– Electrical components............................................. 32
– Overview................................................................... 8
– Preparing...................................................................9
– Refrigerant lines...................................................... 23
– Secondary circuit...............................................29, 30
Connection, indoor/outdoor unit................................. 39
Connection conditions................................................41
Connection set, secondary circuit.............................. 30
Connection values
– 230 V~ components.......................................... 35, 37
– Circulation pumps............................................. 35, 37
Contact humidistat............................................... 31, 38
Contact humidistat connection................................... 38
Controller and sensor PCB.................................. 34, 38
Control parameter reports........................................ 115
Coolant flow............................................................... 31
Cooling....................................................................... 35
Cooling circuit connection.......................................... 31
Keyword index
Keyword index
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...
