Electrical Wirings - AERMEC SWP 301 Installation & Wartung

5.9.

ELECTRICAL WIRINGS

BEFORE PERFORMING ANY OPERATION,
ENSURE THAT THE MAIN POWER SUPPLY IS
DISCONNECTED
The appliance is equipped with a 1.5 meter
H05VV-F 3x1.5 power supply cable.
• The electrical wiring to the control panels
must be carried out by qualified person-
nel according to the diagram provided.
• perform a control of the electrical system
verifying its compliance with the regula-
tions in force.
• Check that the system is adequate for
the maximum input power absorbed by
the water heater.
• Make sure that the voltage and frequency
shown on the rating plate correspond to
those of the mains power supply.
Make the connect with cables having a sec-
tion appropriate for the power used and in
accordance with local regulations. Their di-
mension must in any case be such to achieve
a voltage drop of less than 3% of the nomi-
nal during the starting phase.
• The use of adapters, multiple sockets and/
or extensions is not permitted for the gen-
eral power supply of the heat pump.
• It is the responsibility of the installer to
provide for the installation of a power
switch-disconnecter as close as possible
to the unit and all necessary for the pro-
tection of the electrical parts.
• Connect the unit to an effective earth
• The use of the pipes of the water system,
heating or gas is prohibited for the earth
connection of the unit.
• The manufacturer of the appliance can
not be held responsible for any damage
caused by the lack of earthing of the sys-
tem or for power supply faults.
• A 16A bipolar switch in compliance with
current CEI-EN regulations protected by
a 30m differential switch must be used
A
for the exclusion of the appliance from
the mains power supply(see figure).
1 Meter
2 30mA differential switch
3 16A bipolar switch
41
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