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Illustration of filter replacement
1. Before opening the door, turn off the ventilation unit on
the control panel under “Operation” in the settings menu.
2. Tilt the upper door outwards, pull it up and put it to one
side.
3. Loosen the thumb screws in the next door and put the
door to one side.
4. Remove the two filters from the ventilation unit. It is
advisable to vacuum/clean the filter chambers for poten-
tial dirt, spiderwebs and leaves.
5. Remove the two metal tracks and the filter sheet from
the filter frame.
6. Keeping the smooth side facing downwards, place the
new filter sheet in the filter frame.
7. Press the filter sheet firmly in place in the filter frame
and push it carefully towards the sides of the frame.
Return the metal tracks and the filter to the unit with the
filter sheet facing upwards.
8. Turn on the ventilation unit. Press the alarm icon to
reset the filter alarm.