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Installation
38
5 Installation
5.1 Electrical connection
General information
Check the grid characteristics against the
data indicated on the plate.
The identification plate bearing the
technical data, serial number and brand
name is visibly positioned on the appliance.
Do not remove this plate for any reason.
Perform the ground connection using a wire
that is 20 mm longer than the other wires.
The appliance can work in the following
modes:
• 220-240 V 1N~
Use a 3 x 4 mm² three-core cable.
• 220-240 V 3~
Use a 4 x 2.5 mm² four-core cable.
• 380-415 V 2N~
Use a 4 x 2.5 mm² four-core cable.
• 380-415 V 3N~
Use a 5 x 2.5 mm² five-core cable.
The diagram below illustrates the power
supply terminal from below, with no cables
connected. Terminals 4 and 5 must be
connected at all times.
Power voltage
Danger of electrocution
• Have the electrical connection
performed by authorised technical
personnel.
• Use personal protective equipment.
• The appliance must be connected to
earth in compliance with electrical
system safety standards.
• Disconnect the main power supply.
• Do not pull the cable to remove the
plug.
• Use cables withstanding a temperature
of at least 90°C.
• The tightening torque of the screws of
the terminal supply wires must be 1.5 - 2
Nm.
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