ABB ACS880-07 Series - Replacing the IP54 (UL type 12) roof fan of frame R9

￭ Replacing the IP54 (UL type 12) roof fan of frame R9
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or death,
or damage to the equipment can occur.
1.
Stop the drive and do the steps in section Electrical safety precautions (page 18) before
you start the work.
2. Lift the front and back gratings upwards and remove them.
3. Loosen the mounting screws of the fan cover.
4. Lift the cover off.
5. Disconnect the fan supply wires.
6. Loosen the mounting screws of the fan.
7. Lift the fan off.
8. Install the new fan in reverse order.
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174 Maintenance