151
Hydraulic assembly
■ Internal unit...................................105
Hydraulic connecting chamber...........35
Hydraulic connections..........................8
Hydraulic parameters.......................129
I
Impressed current anode...................74
Inspection...........................................63
Installation
■ External unit....................................10
■ Internal unit.....................................14
Installation, external unit
■ Bracket set for wall mounting.........11
■ Supports for floorstanding installa-
tion..................................................11
Installation location requirements
■ External unit....................................10
■ Internal unit.....................................14
Installation room.................................14
Instantaneous heating water
heater.....................................57, 58, 90
■ High limit safety cut-out, resetting. .85
■ Parameters.....................................83
■ Power cable......................................9
■ Power supply..................................56
■ Specification.........................139, 143
Instructing the system user................86
Internal/external unit connecting
cable..............................................9, 50
Internal/external unit interface............49
Internal components....................89, 91
Internal unit
■ Cable lengths....................................9
■ Dimensions.......................7, 140, 144
■ Electrical values....................139, 143
■ Internal components.......................89
■ Refrigerant lines.............................27
■ Service valve..................................90
■ Weight..................................141, 144
Internal unit, isolating.........................16
Internal unit, opening.........................16
Internal unit installation......................14
Isolators.............................................52
K
KM BUS distributor............................47
L
Leak detection spray..........................64
Lightning protection............................11
Line length
■ For refrigerant lines..................66, 67
■ Refrigerant lines.............24, 141, 145
Liquid line.....8, 24, 26, 28, 65, 141, 145
■ Torque......................................27, 31
Liquid separator.....................92, 93, 94
Luster terminals...........................41, 44
LV leads.......................................37, 39
M
Magnesium anode.......................73, 74
Magnesium anode, replacing.............74
Main PCB...........................................41
Mains isolator...............................52, 59
Maintenance......................................63
Maximum temperature limiter............43
Measuring magnesium anode resist-
ance.............................................73, 74
Message connections........................44
Minimum clearances
■ External unit....................................12
■ Internal unit.....................................15
Minimum flow rate..............................34
Minimum room volume.......................15
Minimum system pressure.................70
Mixer extension kit.............................44
N
Non-return valve..........................35, 69
NTC curve..........................................97
O
Oil lift bend.........................................23
Oil lift bends.......................................24
Keyword index
Keyword index
(cont.)
5782 201 GB
