2.3 Electrical wiring
n
To connect up the electrics, remove the right
cladding panel after unfastening the screws.
1
Fig. 3: Remove the cover by unfastening the
screws
1: Screws
n
Electrical protection for the system is imple-
mented in accordance with the information in
the Technical Data. Observe the required con-
ductor cross-sections!
n
All cables must be connected with the correct
polarity and strain relief.
n
Follow the connection schematic and the circuit
diagrams.
1
2
Fig. 4: Terminal assignment in the terminal box
1: Carel control board
2: Smart control plug
3: Compressor contact
4: Motor overload protection switch
5: Power supply 400V/3~/N/Pe
1
n
When connecting the control line, make sure
that polarity is correct.
n
If the outdoor unit is installed on a roof, it and
the supporting structure must be earthed sepa-
rately (connection to lightning conductors or
foundation earth/ground feature).
NOTICE!
Make sure to connect the outdoor unit neutral
connector properly, otherwise the varistors on
the line-filter circuit board will be destroyed.
Electrical connection e-heating coil
Mains voltage connection takes place on site from
Sub-distribution.
E-heating coil 9kW, power supply 400V/3~/N/PE
2
e.g. 5 x 2,5 mm
A: Plug on the electric heating coil
3
A
4
5
9
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