141
Function check...................................78
Function components...................29, 33
Fuse F1..............................................90
Fuse F101..........................................90
Fuse F3..............................................90
Fuse protection
■ External unit power supply.......48, 49
Fuse rating
■ Power supply for instantaneous heat-
ing water heater..............................50
Fuses...........................................29, 90
G
Gravel bed
■ As condensate drain.......................14
H
Heat exchanger cleaning...................66
Heating output, compressor...............70
Heating water flow...................132, 135
Heating water return................132, 135
Heating water return/heating water
flow.....................................................23
Heat pump, starting............................67
Heat pump control unit power cable....9
Height differential, internal unit-external
unit.....................................................17
High limit safety cut-out reset.............78
High pressure fault.............................10
Hot gas line..............................132, 135
■ External unit....................................20
■ Internal unit.....................................22
Hydraulic parameters.......................121
I
Immersion heater...............................36
Inspection...........................................58
Installation
■ External unit....................................10
■ Internal unit.....................................14
Installation, external unit
■ Bracket set for wall mounting.........11
■ Supports for floorstanding installa-
tion..................................................11
Installation site requirements
■ External unit....................................10
■ Internal unit.....................................14
Instantaneous heating water heater...29
■ High limit safety cut-out reset.........78
■ Parameters.....................................75
■ Power cable......................................9
■ Power supply..................................50
■ Specification.........................131, 134
Instructing the system user................78
Interface PCB.....................................43
Internal/external unit connecting
cable..............................................9, 44
Internal components....................82, 83
Internal unit
■ Cable lengths....................................9
■ Closing............................................55
■ Dimensions.......................................7
■ Electrical connection.......................28
■ Electrical values....................131, 134
■ Installation......................................14
■ Internal components.......................82
■ Power supply for instantaneous heat-
ing water heater..............................50
■ Refrigerant lines.............................21
■ Siting...............................................14
■ Wall mounting.................................16
■ Weight..................................132, 135
Isolators.............................................46
K
KM BUS distributor............................40
L
Leak detection spray..........................59
Lightning protection............................11
Line length
■ For refrigerant lines..................61, 62
■ Refrigerant lines.............17, 132, 135
Keyword index
Keyword index
(cont.)
5782 176 GB