55
C
B
A
F
H
5
4
3
4
4
3
3/N
3/N
G
K
4
kWh
kWh
3
L
D
X3.7
X3.6
E
Diagram excluding MCB/fuses and RCD
A
Heat pump control unit
B
Instantaneous heating water heater
C
Compressor
D
Heat pump control unit power sup-
ply
E
Standard tariff meter
F
Backup fuse ripple control receiver
G
Ripple control receiver (contact
open: power-OFF enabled) with
backup fuse
H
Economy tariff meter
K
Feed: TNC system
L
Mains isolator
Installation sequence
Power supply
(cont.)
5516 436 GB
Installation