0020213394_05 Installation and maintenance instructions
39
C
Unblocked power supply 3~/N/PE 400 V (wiring diagram 1 =
)
X102
X110A
X110B
X101
X103
X110
N L3 L2 L1
7
6
5
L1 L2 L3 N
L1 L2 L3 N
N
L1
L3
L2
L1
1
2
3
1
Power supply for internal auxiliary electric heating
2
Power supply for control system
3
Continuous power supply
X110A
Optional power output for controller PCB (X110)
X110B
Optional power output for controller PCB (X110)
X101
Mains connection for compressor
X103
Optional power output for internal auxiliary electric
heating (X102)
X102
Mains connection for internal auxiliary electric heat-
ing
X110
Mains connection for heat pump controller PCB
This wiring corresponds to its as-delivered condition. The product is connected to the supply network using a single electricity
tariff (a consumption meter).
The internal electric back-up heater is supplied with power (unblocked) via the bypass line from X103 to X102 which was
installed at the factory.
The control PCB is supplied with power (unblocked) via the bypass line from X110A to X110 which was installed at the fact-
ory.