6 | Electrical Connection
20 | 44
Instruction Manual R5 RA 0165-0305 D_EN_en
NOTICE
Incorrect connection.
Risk of damage to the variable speed drive!
●
The wiring diagrams given below are typical. Check the connection instructions/diagrams.
6.4
Wiring Diagram Three-Phase Motor
NOTICE
Incorrect direction of rotation.
Risk of damage to the machine!
●
Operation in the wrong direction of rotation can destroy the machine in a short time! Prior to
start-up, ensure that the machine is operated in the right direction.
●
Determine the intended direction of rotation with the arrow (stuck on or cast).
●
Jog the motor briefly.
●
Watch the fan wheel of the motor and determine the direction of rotation just before the fan
wheel stops.
If the rotation of the motor must be changed:
●
Switch any two of the motor phase wires.
Delta connection (low voltage):
Star connection (high voltage):
Double star connection, multi-voltage motor
with 9 pins (low voltage):
Star connection, multi-voltage motor with 9
pins (high voltage):
Double star connection, multi-voltage motor
with 12 pins (low voltage):
4
4
4
Star connection, multi-voltage motor with 12
pins (high voltage):
4
4
4
