￭ Replacing the inlet door filters (IP54)
1.
Stop the drive and do the steps in section Electrical safety precautions (page 112) before
you start the work.
2. Remove the fasteners at the top of the grating.
3. Lift the grating and pull it away from the door.
4. Remove the air filter mat.
5. Place the new filter mat in the grating the metal wire side facing the door.
6. Reinstall the grating in reverse order.
￭ Cleaning the roof outlet filters (IP54)
The outlet filters on the roof of IP54 units can be accessed by pulling the gratings upwards.
Maintenance 159
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