45
≈
3
3
4
4
3
3/N
3/N
4
kWh
kWh
3
7
5 (400 V~)
(230 V~)
X3.7
X3.6
X3.18/X2.1/X1.1
Fig. 45
Diagram excluding fuses and RCDs
A
Heat pump control unit (internal unit, luster termi-
nals, see chapter "Internal unit: Overview of con-
nections")
B
Instantaneous heating water heater (if installed)
C
Heat pump compressor (external unit)
D
Heat pump control unit power supply: See chapter
"Heat pump control unit power supply 230 V~".
E
Premium tariff meter
F
Ripple control receiver backup fuse
G
Ripple control receiver (contact open: power-OFF
enabled) with backup fuse
H
Economy tariff meter
K
Feed: TN-C system
L
Mains isolator
Installation sequence
Power supply
(cont.)
5700 582 GB
Installation