8
■
Connecting cables, heat pump
stage 1 – stage 2:
See page 75.
■
Electrical connection of system
components
(pumps, mixers, valves,
alarm facilities, contactors, function
extensions, sensors etc.):
These connections are made inside
the heat pump control unit. Observe
information from page 76.
■
Power supply:
The number of power cables from the
distribution board (meter box) to the
heat pump control unit depends on the
system version and tariffs used; see
information from page 98.
Siting
!
Please note
Avoid damaging the appliance
during transportation.
Never
put weight on top of the
appliance.
!
Please note
If the compressor is at a steep
angle in the heat pump, lubricant
will enter the refrigerant circuit
and damage the appliance.
Max. tilting angle 45°.
Installation room requirements
!
Please note
The installation room must be dry
and free from the risk of frost.
Ensure ambient temperatures
between 0 and 35 °C.
!
Please note
Dust, gases and vapours can
cause an explosion.
Never allow these substances in
the installation room.
!
Please note
Observe the permissible floor
load.
■
Total weight
Type
Weight
BW 351.A07
136 kg
BWS 351.A07
132 kg
BWC 351.A07
146 kg
■ To prevent the transmission of struc-
ture-borne noise, never site the appli-
ance on ceilings with wooden joists
(e.g. in the attic).
■ Level the appliance.
If the adjustable feet are used to com-
pensate for an uneven floor (max.
10 mm), the pressure load on the feet
must be distributed evenly.
Preparing for installation
General information on the electrical connection
5609 667 GB
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