23
Opening the inside cover
5 Maintenance
5.1 Maintenance intervals
Component
Interval
Action
Inside cover
As necessary
• Wipe the surface with a damp cloth.
Filter
Quarterly
•
Check the filter.
•
Clean a dirty filter using a vacuum cleaner.
•
Replace very dirty or damaged filters.
Sound insulation element Annually
•
Check the soundproofing element.
• Remove any dirt using a vacuum cleaner.
• Replace a very dirty or damaged element.
Wind pressure safety
device
Annually
• Check the wind pressure safety device and the
flap.
• Remove any dirt from the device using a vacuum
cleaner.
•
Remove any dirt from the pre-filter using a vacu
-
um cleaner.
•
Replace a very dirty or damaged pre-filter.
Special window reveal
solution
Quarterly
•
Check the pre-filter in the reveal grille.
•
Remove any dirt from the pre-filter using a vacu
-
um cleaner.
•
Replace a very dirty or damaged pre-filter.
Special loft/cellar
solution
Quarterly
• Check the condensate outlet.
• Remove any condensate.
• Pull the inside cover out of the mount-
ing tube.
• Pull up the integrated flap until it clicks
in place.
• Reinsert the inside cover into the
mounting tube (with the air vent poin-
ting upwards).
Summary of Contents for easy ALD
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