Maintenance 107
Replacing the IP54 (UL type 12) roof fan
WARNING! Obey the instructions in chapter Safety instructions. If you
ignore them, injury or death, or damage to the equipment can occur.
1. Stop the drive and do the steps in section Precautions before electrical work on page
16 before you start the work.
2. Slide the front and back gratings upwards and remove them.
3. Remove the mounting screws of the upper cover and lift the cover off.
4. Disconnect the fan power supply wires.
5. Remove the mounting screws of the fan.
6. Remove the mounting screws of the fan cover.
7. Lift the fan off.
8. Install the new fan in reverse order.