37
Power supply for instantaneous heating water heater (only type AWB-AC)
Internal unit
N
3/N/PE
400 V/50 Hz
1/N/PE
230 V/50 Hz
L1
N
L1
L3
N
N
N
L1
L2
L1
A
A
B
B
Fig. 37
A
Internal unit wiring chamber (see chapter "Over-
view of connections":" Internal unit")
B
Jumpers
■
Recommended power cable:
400 V~:
5 x 2.5 mm
2
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: Without on-site load disconnect
The power-OFF signal is connected directly to the heat
pump control unit; with heat pump cascades the con-
nection is only made at the lead heat pump.
Parameter
"Output for instant. heating water heater
at power-OFF 790A"
determines whether and at what
stage an instantaneous heating water heater (if instal-
led) remains operational during power-OFF.
Note
Observe the technical connection conditions of the rel-
evant power supply utility.
Installation sequence
Power supply
(cont.)
5700 542 GB
Installation
Содержание 7513685
Страница 61: ...61 4x 1 3 2 Fig 52 Maintenance Placing the control panel in its service position 5700 542 GB Maintenance...
Страница 80: ...80 Parts lists internal unit Hydraulics internal unit type AWB AC cont 5700 542 GB Components...
Страница 126: ...126 5700 542 GB...
Страница 127: ...127 5700 542 GB...