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Overview of maintenance work
Fig. 16: Maintenance work
No.
Chapter
1
Î "8.1.1 Replacing upper filter"
2
Î "8.1.2 Replacing lower filter"
8.1.1
Replacing upper filter
Fig. 17: Replacing the upper filter mat
Replace the filter mat:
f Remove the cover (1) of the filter mat.
f Remove the old filter mat (2) and clean louvre and
cover.
f Insert a new filter mat (3).
f Place the cover on the new filter mat. The cover must
snap in.
20
8.1.2 Replacing lower filter
1
2
Fig. 18: Removing the ventilator unit
Remove the ventilator unit:
f Remove the plug (2) for the power supply.
f Loosen the wing nut (1) of the ventilator unit.
f Pull the ventilator unit (3) upwards.
Fig. 19: Replacing the lower filter mat
Replace the filter mat:
f Remove the cover (1) of the filter mat.
f Remove the old filter mat (2) and clean louvre and
cover.
f Insert a new filter mat (3).
f Place the cover on the new filter mat. The cover must
snap in.
f Reinstall the ventilator unit in reverse order.
f Connect the ventilator to the power supply.
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