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• Electrically connect the motor.
NOTICE
Incorrect connection.
Risk of damage to the motor!
• The wiring diagrams given below are typical. Check the inside of the terminal box for
motor connection instructions/diagrams.
5.3.1 Wiring Diagram Single-Phase Motor
2
1
3
5
4
6
L
N
5.3.2 Wiring Diagram Three-Phase Motor
Delta connection (low voltage):
Star connection (high voltage):
NOTICE
Incorrect direction of rotation.
Risk of damage to the motor!
• Operation in the wrong direction of rotation can destroy the machine in a short time!
Prior to starting-up make sure that the machine is operated in the right direction.
• Determine the intended direction of rotation with the arrow (stuck on or cast).
• ‘Bump’ the motor.
• Watch the fan wheel of the motor and determine the direction of rotation just before
the fan wheel stops.
If the rotation must be changed:
• Switch any two of the motor phase wires.
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