BOMBAS IDEAL GNI Serie Notice D'utilisation Et D'entretien page 12

Bombas Ideal, S.A.
8.1- Electrical connections.
Qualified staff should make electrical connections.
Before making the motor connections, check that the electrical parts on which you are
going to work are not connected to the power supply.
The ground cables (yellow/green) should be connected to the ground circuit of the
system before connecting up the other conductors.
The figures show the proper connection for the case of direct starting and three-phase line with 230 volts
and 400 volts mains voltage.
DELTA CONNECTION
motor
Y/∆ STARTING. Remove the bridge plates from the terminal box and connect the motor terminals to the
corresponding ones on the starter.
Supply voltage
TAKE CARE Check that the values for the voltage and frequency of the supply mains coincide with
the ones indicated on the motor characteristics plate, depending on whether this is star
or delta connection.
Z X Y
U V W
230/400v 230v
line
400/690v 400v
STAR CONNECTION
Z X Y
U V W
motor 230/400v line 400v
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