4.3 Check the impeller rotation
CAUTION: Crush Hazard
The starting jerk can be powerful. Make sure nobody is close to the unit when it is started.
1. Start the motor.
2.
Stop the motor after a few seconds.
3. Check that the impeller rotates according to this illustration.
The correct direction of impeller rotation is clockwise when you look at the pump from
above.
4.
If the impeller rotates in the wrong direction, then do one of these steps:
– If the motor has a 1-phase connection, then contact a sales or authorized service
representative.
– If the motor has a 3-phase connection, then transpose two phase leads and do this
procedure again.
4 Installation
Flygt 3069 Installation, Operation, and Maintenance Manual 33
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