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Filter change Comfort CT300
Outdoor- and extract air filters are placed behind the top lid on the front of the system.
The filters are changed when needed (see section about accessories). CTS 700 control has a time
based filter monitor, which indicates filter change after a set time.
Before filter change the system is turned off. Screws are loosened and the lid is removed. The fil-
ters can be removed without using tools.
Figure 6: Filter change