50 22.05 4037360_01
18 ELECTRIC POWER CONNECTION TO TE ELECTRICAL MAINS
Avoid direct contact with non-insulated copper piping and with the
compressor.
— Open the external covering panels (if present)
— Make sure that the switch is at “OFF” before opening the electric control board
for the connection of the unit to the power supply;
— Use the plates/holes to pass the main electric power supply cable and the ca-
bles of the other external connections under the responsibility of the installer;
— Identify the clamps for the electric connection and always refer exclusively to
the wiring diagram supplied with the unit;
— Remove any protections from the cable xing points;
— For the functional connection of the unit, take the power supply cable to the
electric control board inside the unit and connect it to clamps. L1-L2-L3 and PE
respecting the polarities L1-L2-L3 as phases, and PE as grounding;
— Ensure that all protections removed for the electric connection have been re-
stored before powering the unit electrically;
— Close all the opened panels;
— Turn the switch at "ON" position;
— Position the system master switch (outside the appliance) at "ON";
For auxiliary connection please refer to the wiring diagrams supplied
with the unit.
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