Electrical installation
General
HM 8-12 SPLIT must be installed via a circuit breaker with
a minimum breaking gap of 3mm.
Other electrical equipment, except the outdoor sensors,
current sensors and outdoor module L8 SPLIT/L12 SPLIT
is already connected at the factory.
■
Disconnect the indoor module HM 8-12 SPLIT and out-
door module L8 SPLIT/L12 SPLIT before insulation testing
the house wiring.
■
For fuse ratings, see technical data, “Fuse protection”.
■
If the building is equipped with an earth-fault breaker,
HM 8-12 SPLIT should be equipped with a separate one.
■
Connection must not be carried out without the permis-
sion of the electricity supplier and under the supervision
of a qualified electrician.
■
5.G2.5 mm
2
cable must be used for the connection
between HM 8-12 SPLIT and L8 SPLIT/L12 SPLIT.
■
Cables must be routed so that they are not damaged by
metal edges or trapped by panels.
■
L8 SPLIT/L12 SPLIT is equipped with a single phase
compressor. This means that phase L3 is loaded with up
to 15 A during compressor operation.
NOTE
Electrical installation and service must be carried out
under the supervision of a qualified electrician. Elec-
trical installation and wiring must be carried out in
accordance with the stipulations in force.
NOTE
The switch (SF1) must not be moved to “1” or “ ”
until the boiler has been filled with water. The circu-
lation pump and immersion heater may be damaged.
Principle diagram, electrical installation
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