Maintenance 155
Cleaning the door air inlets (IP54)
Check the dustiness of the air inlet meshes. If the dust cannot be removed by vacuum
cleaning from outside through the grating holes with a small nozzle, proceed as follows:
1. Recommendation:
De-energize the fans by switching off the unit. Obey the
instructions in section Electrical safety precautions on page 128.
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.
5. Place the new filter in the grating the metal wire side facing the door.
6. Reinstall the grating in reverse order.
Cleaning the outlet (roof) filters (IP54)
The outlet (roof) filter in IP54 units can be accessed by pulling the grating upwards.
To Next Page
Loading...
