63
Connecting power cable for instantaneous heating water heater
(only type AWB-AC)
Internal unit
N
?
L1
L2
L3
N
N
N
?
L1
L2
L3
?
L1
L2
L3
N
3/N/PE
400 V/50 Hz
A
phase asym.
1/N/PE
230 V/50 Hz
A
?
L1
L1
L1
N
N
N
phase asym.
B
N
N
A
Wiring chamber, internal unit (see
page 45)
B
Jumpers
■ Recommended power cable:
Phase asymmetrical 400 V~:
5 x 2.5 mm
2
Phase asymmetrical 230 V~:
7 x 2.5 mm
2
■ Fuse rating max. 16 A
■ Economy tariff and power-OFF can be
used
Power supply with power-OFF
Power-OFF without on-site load disconnection
The power-OFF signal is connected
directly to the heat pump control unit.
The compressor is "forced" off when
power-OFF is enabled.
Installation sequence
Power supply
(cont.)
5604 692 GB
Installation
