149
A
Air discharge........................................................ 14, 15
Air intake.............................................................. 14, 15
Air short circuit........................................................... 13
Air vent valve, secondary circuit...........................83, 85
Alignment................................................................... 29
Ambient temperatures................................................24
Anode earth current................................................... 62
Anode tester...............................................................62
Anti-vibration mounts................................................. 20
Appliance, draining on DHW side.............................. 64
Appliance, starting......................................................67
Appliance fuses, checking..........................................90
Area cooling system...................................................29
Assembly
– Casing, indoor unit.......................................... 94, 102
– Hydraulics, indoor unit.............................................96
– Indoor unit DHW cylinder...................................... 100
– Outdoor units 221.A04 to A08...............................105
– Outdoor unit types 221.A10 to 221.A16........ 113, 121
Automatic thermostatic mixing valve..........................26
B
BDF valve...................................................................85
Bracket for wall mounting...........................................20
Bracket set........................................................... 12, 19
Buffer temperature sensor................................... 41, 85
Bus connecting cable................................................. 31
Bus connection...........................................................45
Bypass, heating water buffer cylinder........................ 36
C
Cable insertion..................................................... 32, 43
Cable length............................................. 31, 32, 48, 49
Cable routing........................................................32, 43
Casing
– Outdoor unit 230 V~...................................... 106, 114
– Outdoor unit 400 V~..............................................122
Checking
– Fuses...................................................................... 90
– Sensors................................................................... 85
Check valve................................................................26
Chilled ceiling............................................................. 29
Cleaning cylinder........................................................64
Coding card slot......................................................... 41
Coding level 1............................................................ 68
Cold water connection..................................9, 142, 145
Commissioning.............................................59, 68, 147
Commissioning assistant........................................... 68
Commissioning order............................................... 147
Commissioning report................................................ 59
Communication module, LON.................................... 41
Components.........................................................36, 38
Compressor..........................................................83, 85
Compressor max. tilting angle....................................15
Concrete foundations................................................. 19
Condensate drain...............................12, 17, 18, 19, 20
Condensate pan.........................................................12
Connecting cable for indoor/outdoor unit................... 31
Connecting cables....................................17, 18, 20, 31
Connection
– Cooling circuit..........................................................29
– Electric.................................................................... 31
– Electrical components............................................. 31
– Heating water side............................................ 26, 27
– Overview................................................................... 9
– Preparing.................................................................10
– Secondary circuit.....................................................26
Connection, indoor/outdoor unit................................. 45
Connection conditions................................................46
Contact humidistat............................................... 29, 41
– Connecting.............................................................. 40
Controller PCB........................................................... 41
Control parameter reports........................................ 128
Control unit panel....................................................... 80
Cooling....................................................................... 36
Cooling circuit connection.......................................... 29
Cooling function......................................................... 73
Cooling water flow......................................................30
Corrosion damage................................................63, 65
Cover of outdoor unit, fitting....................................... 57
Cover of programming unit, removal..........................79
Cylinder cleaning........................................................64
Cylinder temperature sensor......................................85
D
Defrosting...................................................................13
DHW circulation pipe....................................9, 142, 145
DHW circulation pump................................... 26, 36, 71
DHW connection.......................................... 9, 142, 145
DHW cylinder, flow/return...........................................26
Dimensions.................................................................. 9
– Indoor unit..................................................... 141, 145
– Outdoor unit.................................................. 141, 145
Diverter valve....................................................... 83, 85
Drain and fill valve, secondary circuit.........................81
Drain for condensate......................................17, 18, 20
Draining secondary circuit..........................................85
Drain valve................................................................. 26
Drinking water filter.................................................... 26
E
EA1 extension............................................................ 41
Economy tariff............................................................ 47
Economy tariff meter............................................ 52, 53
Electrical connection
– Cable insertion........................................................ 43
– Indoor unit............................................................... 35
– Overview........................................................... 35, 44
– Pumps..................................................................... 36
– Routing cables........................................................ 32
– Sensors................................................................... 41
Electrical connections
– Checking................................................................. 65
– Checking outdoor unit............................................. 67
– Overview................................................................. 79
Electrical equipment
– Outdoor unit 230 V~...................................... 110, 118
– Outdoor unit 400 V~..............................................126
Keyword index
Keyword index
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