ABB ACH580-01 - Replacing the Main Cooling Fans, IP21 and IP55 (UL Type 1 and UL Type 12) Frame R9

￭ Replacing the main cooling fans, IP21 and IP55 (UL Type 1 and
UL Type 12) 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 disconnect it from the power line. Wait for 5 minutes and then
make sure by measuring that there is no voltage. See section Electrical safety
precautions (page 22) before you start the work.
2. Remove the two mounting screws of the fan mounting plate.
3. Turn the mounting plate downwards.
4. Unplug the fan power supply wires from the drive.
5. Remove the fan mounting plate.
6. Remove the fans by removing the two mounting screws.
7. Install the new fans in reverse order.
6
6
3
4
2
2
Maintenance 221