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5.8 Filter mats
Cleaning intervals The cooling air is drawn in through two dust !lters. Depending
on the installation site, clean the !lter mats or, if necessary,
replace them after approx. every 100 hours of service. To
ensure a trouble-free service of the unit, exclusively use original
spare !lter mats.
Take the opportunity to check the heat exchangers of the air-
conditioning unit as well to see if they are dirty. (Section 5.10).
Dirty heat exchangers considerably reduce the capacity of
the air-conditioning unit. Vacuum-clean the heat exchangers if
necessary.
Filter mat in the
canopy
This !lter mat can be easily replaced at the rear side of the
canopy.
Illustr. 5-16 Replacing the !lter mat
Operation and Service KBL 6800/6900
Filter mat in the
base section
The !lter mat is located behind the decorative lighting in the
base section. Open the bed pane and remove the "uorescent
tube. Now you have free access to the !lter mat.
Illustr. 5-17 Filter mat in the base section
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