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1.10 ELECTRICAL CONNECTION
The appliance has an IPX5D protection degree; electrical safety of the appliance is achieved only when it is connected properly to an effi-
cient earthing system, as specified by current safety standards.
The manufacturer declines any responsibility for damage or physical injury caused by failure to connect the appliance to an ef-
ficient earthing system or failure to comply with the IEC reference standards.
Open the control panel connections compartment (Fig. 13).
The power supply cable must be connected to a 230V ±10% / 50Hz mains supply respecting L-N
polarity and earth connection; this network must also have a multi-pole circuit breaker with
class III overvoltage category in compliance with installation regulations.
In order to make the electrical connections, it is necessary to remove the front casing as described in Parag.3.24 and then open the con-
nection compartment according to the following instructions.
1. Loosen the screw (a) (Fig. 13).
2. Remove the faceplate (b) by pressing the side hooks.
3. Remove the faceplate (b) from the control panel (c).
At this point, it is possible to access the terminal board (d).
The compartment (e) has cable clamps and screws to be used for connection of the optional external connections.
Also ensure that the electrical installation corresponds to maximum absorbed power specifications as shown on the appliance data
nameplate.
The power supply cable must be laid as shown (Fig. 7).
The boilers are supplied complete with a "Y" type H 05 VVF 3 x 0.75 mm
24
e
c
d
2
3
2
1
power supply cable, without plug.
2
b
a
13
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