133
A
Activating cooling...............................51
Adjustable feet...................................23
Air discharge......................................21
Air discharge grille removal................79
Air intake............................................21
Air short circuit...................................18
Air vent valve, secondary circuit........92
Aligning the appliance........................23
Ambient temperatures........................23
Appliance fuses, checking.................99
Area cooling system...........................44
Assembly...........................31, 100, 110
AVI PCB.................................50, 56, 58
B
BDF valve..........................................97
Blocking signal.............................62, 64
Bracket set.........................................23
Buffer temperature sensor...........13, 55
■ Curve..............................................97
BUS cable..............................46, 48, 56
■ Connection.....................................58
BUS connecting cable....................8, 57
Bypass, heating water buffer cylinder 51
C
Cable cross-section.............................9
■ External unit power cable...............61
■ Heat pump control unit power cable60
■ Instantaneous heating water heater
power cable....................................62
Cable length.........................................9
Cable lengths.......................................9
Cable routing......................................45
Casing
■ Sealing faces..................................31
Casing assembly..............................102
■ External unit type AWT-AC 221.A10
and A13........................................115
Checking
■ Fuses..............................................99
■ Sensors..........................................97
Checking free running of fan..............79
Checking solder joints........................73
Checking swaged connections..........73
Checking system pressure.................75
Checking the sensors........................97
Checking threaded fittings.................73
Check valve.......................................44
Chilled ceiling.....................................44
Cleaning
■ Cylinder..........................................77
Coding level 1....................................82
Cold water connection.................8, 130
Commissioning....................68, 82, 131
Commissioning order.......................131
Commissioning report........................68
Commissioning wizard.................81, 82
Compressor
94, 95, 96
■ Max. tilt angle.................................18
Compressor head temperature sen-
sor......................................................97
Compressor heating output................84
Concrete foundations.........................23
Condensate
■ Free drainage.................................19
Condensate drain...............................23
Condensate line...............................130
Condensate pan.................................20
Connecting a cooling circuit...............44
Connecting cable, internal/external
unit.....................................................46
Connecting cable between internal/
external unit.................................48, 58
Connecting cables...............................9
■ Function components 230 V~.........47
■ Low voltage....................................48
Connecting contact humidistat...........55
Connecting frost stat..........................55
Connecting heating circuit pump........52
Connecting the secondary circuit.41, 43
Keyword index
Keyword index
5600 950 GB