63
Note
Observe the technical connection condi-
tions of the relevant power supply util-
ity.
X3.7
X3.6
3
3
4
4
3
3/N
3/N
≈
4
kWh
kWh
5
3
(400 V~)
7 (230 V~)
X3.18/X2.1/X1.1
Diagram excluding fuses and RCD.
A
Heat pump control unit (internal unit,
luster terminals, see chapter "Over-
view of connections: Internal unit")
B
Instantaneous heating water heater
C
Heat pump compressor (external
unit)
D
Heat pump control unit power sup-
ply (see chapter "Heat pump control
unit power supply (230 V~)")
E
High tariff meter
F
Backup fuse ripple control receiver
G
Ripple control receiver (contact
open: power-OFF enabled)
Feed: TNC system
H
Economy tariff meter
K
Feed: TNC system
Installation sequence
Power supply
(cont.)
5600 950 GB
Installation