58
Cable lengths in the heat pump plus wall clearance:
Type
BW
WW
Control circuit power supply (230 V~, if on-site)
3 m
Load circuit power supply (400 V~)
3 m
Additional connecting cables
2.5 m
Power supply with power-OFF
Power-OFF without on-site load disconnection (delivered condition)
The power-OFF signal is connected
directly to the heat pump control unit.
The compressors are switched off when
power-OFF is enabled.
Note
Observe the technical connection condi-
tions of the relevant power supply util-
ity.
Electronic soft starter, type SMC
Electronic soft starter function:
■ Monitoring the mains feed to the com-
pressor.
■ Reduction in starting current of the
compressor during its starting proce-
dure.
Delivered condition:
■ Rotating field, phase asymmetry:
20 %
■ Max. compressor operating current
"Imax": Subject to compressor output
Overload protection
This will separate the appliance from the
mains automatically if the tolerance
range of the electronic soft starter is
exceeded.
Remove the cause if the relay has
responded. The relay does not need to
be reset.
Starting characteristics
The starting characteristics are set at the
DIP switches behind the protective
transparent cover of the electronic soft
starter. At the factory, the DIP switches
are set to suit the respective heat pump
type.
Prior to commissioning, compare and
possibly adjust the DIP switch settings
with the details in the separate "Connec-
tion and wiring diagram".
Installation sequence
Power supply
(cont.)
5848 246 GB
