113
F
Fan................................................................. 64, 83, 84
Feed........................................................................... 51
Filling the secondary circuit........................................62
Fill water.....................................................................62
Fixing materials.......................................................... 13
Floorstanding installation........................................... 17
Floorstanding installation, outdoor unit...................... 23
Flow, DHW cylinder....................................10, 106, 109
Flow, DHW cylinder/heating water............................. 30
Flow, outdoor unit.................................................10, 30
Flow switch.................................................................81
Flow temperature sensor
– Cooling circuit....................................................45, 85
– Heating circuit with mixer........................................ 44
– Secondary circuit...............................................81, 85
– Swimming pool........................................................45
– System.............................................................. 45, 85
Foundation......................................... 18, 19, 20, 21, 22
Free running of fan, checking.....................................64
Freestanding siting.....................................................13
Front panel................................................................. 60
Frost protection for foundations......... 18, 19, 20, 21, 22
Frost stat.................................................................... 44
Function check........................................................... 78
Function test...............................................................77
Fuse........................................................................... 89
– F1............................................................................ 90
– F3............................................................................ 90
– Max. power loss...................................................... 90
Fuse rating..................................................... 32, 54, 55
G
Gravel bed for condensate.......................18, 19, 23, 24
H
Heat exchanger cleaning........................................... 65
Heating circuit pump............................................ 38, 69
Heating performance data................................103, 107
Heating water buffer cylinder bypass......................... 38
Heating water flow................................10, 30, 106, 109
Heating water return.............................10, 30, 106, 109
Heat pump
– Checking for noise.................................................. 77
– Closing.............................................................. 60, 65
– Opening...................................................................62
– Starting....................................................................66
Heat pump cascade................................................... 77
– Minimum clearances............................................... 16
– Power-OFF signal connection.................................57
Heat pump control unit
– Power cable............................................................ 32
High limit safety cut-out..................................41, 78, 81
High pressure fault..................................................... 14
High pressure switch..................................................85
Hot gas temperature sensor.................................83, 85
Hydraulic parameters................................................. 91
I
Immersion heater................................................. 42, 73
Indoor unit
– Cable lengths.......................................................... 31
– Closing.................................................................... 60
– Dimensions............................................. 10, 105, 109
– Electrical connection............................................... 36
– Electrical values............................................ 104, 108
– Installation............................................................... 27
– Instantaneous heating water heater power supply..51
– Internal components................................................81
– Siting....................................................................... 28
– Transport.................................................................27
– Wall mounting..........................................................28
Inspection...................................................................62
Installation
– Indoor unit............................................................... 27
– Outdoor unit............................................................ 13
Installation, outdoor unit
– Bracket set for wall mounting.................................. 13
– Supports for floorstanding installation..................... 13
Installation information............................................... 13
Installation location requirements
– Indoor unit............................................................... 28
Instantaneous heating water heater.........37, 42, 72, 81
– Power cable............................................................ 32
– Power supply...........................................................51
– Resetting the high limit safety cut-out..................... 78
– Specification..................................................104, 108
Instructing the system user........................................ 78
Intended use................................................................ 7
Internal components.............................................81, 82
Isolators......................................................................50
K
KM-BUS distributor.................................................... 45
L
Lag heat pump........................................................... 57
Layout, heat pump cascade....................................... 16
Lead heat pump......................................................... 57
Lightning protection....................................................13
M
Main MCB/fuse, switching on.....................................65
Mains isolator................................................. 56, 65, 82
Maintenance...............................................................62
Max. connection line length..............................106, 109
Max. tilting angle........................................................ 13
Maximum temperature limiter.....................................38
Minimum clearances
– Heat pump cascade................................................ 16
– Indoor unit............................................................... 28
– Outdoor unit............................................................ 15
Mixer extension kit......................................... 39, 45, 69
Modbus cable.............................................................31
Modbus connection.................................................... 49
Modbus distributor......................................................45
Keyword index
Keyword index
(cont.)
6150148
