10
INStAllAtIoN
2.7 Electrical connection
The appliance only needs to be connected to
the air conditioning system devices that are
being used.
Connection to system appliances
For sizing the signal cable, use the table be-
low:
minimum
length
maximum
length
Cable
diameter
m
m
mm² x n
0
100
0,3 x 3
100
200
0,5 x 3
200
300
0,75 x 3
300
400
1,25 x 3
400
500
2 x 3
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The connection is polarised, respect the
correct sequence.
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Use a shielded double pole cable.
9
The connecting cable must be connected
to ground.
9
The connection cable must not have
joints; if these are required, they should
be tinned and suitably protected.
9
Any ducting of the connection cable
must be separated from voltage cables.
—
make electrical connections according
to the diagrams below
1 Indoor unit
2 Wired Touch panel
A B C
A
1
2
B C
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The connection is polarised, respect the
correct sequence.
mandatory items:
—
make sure that the electrical power
supply system is compliant with the
current national safety standards
—
for any electrical intervention, always
refer to the wiring diagrams contained
within this booklet
—
take anti-static precautions in case of
weather conditions where humidity is
less than 40%
9
Electric connections shall be made in
compliance with national regulations.
9
Avoid placing the connection cables less
than 1 metre away from radio and video
systems.
9
Avoid using mobile phones.
0
It is forbidden to earth the device to-
gether with pipes, lightning conductors
or the earthing system of a telephone
line. Using an improper earthing system
can cause electric shocks.