114 Maintenance
7. Remove the hex-head screws which attach the support beam to the impeller.
8. Disconnect the power cable from the connector on the support beam.
9. Mount the new impeller to the support beam.
10. Connect the wires of the fan motor cable to the terminal block according to the
electrical drawings.
11. Proceed in reverse order as previously described to reinstall the impeller with the
support beam.
12. Check by hand for proper fan rotation before energizing the drive.
13. When the work is completed the drive can be started up again. See Chapter
Operation, Energizing and starting the drive.
14. Check visually the direction of fan rotation when starting the drive. The correct rotation
direction please refer to arrow direction posted on fan box.
* Depends on site situation, ACS580MV fan box can be mounted backward, the screw
positions are compatible between fan box and cabinet top plate. The procedure can refer
to instruction above. For details of the AC fan box outline information, see ACS580MV Air
duct interface Outline Drawing of AC Fan Box.
NOTICE
Type and quantity of the hex-head screws depend on the impeller model.
M10X25combinationscrew
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