Electrical Connections - Trane MERCURY EDAB 1105A Technical Manual

Electrical connections

WARNING! Electrical connection of the machine
to the power supply must ONLY be carried out
by a qualified electrician.
WARNING! Electrical lines must be established
in full respect of CEI standards.
WARNING! Before establishing the electrical
connection, make sure that the power supply
is off. Also ensure that it is not possible to
reconnect the power during the operation.
WARNING! The power supply voltage must be
± 10%
To carry out the electrical connections of the machine to the
power supply, carry out the following procedures:
• use suitable equipment to check the efficiency of the
grounding system;
• check that the voltage and network frequency correspond
to those of the machine (see identification label);
• open the door of the electrical panel;
• remove the plastic screen of the electrical panel using
a star screwdriver;
• pass the cables inside using the power supply cable inlet
D7A which connects to the main switch D5;
D5
20
• refer to the wiring diagram and connect the cable to the
main switch D5.
POWER SUPPLY CABLE
(at customers at care)
POWER SUPPLY CABLE
(at customers at care)
To connect the auxiliary connections to the terminal board,
carry out the following procedures:
• pass the cables through the power supply cable inlet
D7B;
• refer to the wiring diagram and carry out the connection
to the terminal board.
D7
b
D7
a
PKG-SVX19B-E4