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6.3 Opening and Closing the Housing
The stacked housing elements are held together by two locking arms that hook into the diffuser. To open the system,
follow the steps below.
1. Disconnect the IQAir system from the power supply before at temp ting to open
the system.
2. Press the first locking arm outward, using both thumbs as shown. Press just hard
enough to release the arm from its snap-in position in the diffuser. Disengage the
other arm in the same way.
3. Pull both locking arms evenly outwards until they snap into place and remain
open. Access to all filters is now possible (to change a specific filter, refer to the
appropriate section below).
4. To close the housing, simply align the housing elements and push the locking arms inwards simultaneously until
they snap back into the housing (top of the diffuser).
22
Chapter 6 – Replacing Filters
Opening Closing
6.3.1 Troubleshooting When Closing the Housing
If the IQAir system does not close properly, the upper part of the system
may be offset against the lower part.
To solve this problem, simply open both locking arms again, ensure the
housing is aligned, and push both locking arms in simultaneously.
6.4 Replacing the PreMax
TM
Filter (F1)
1. Open the locking arms, making sure they
are fully extended outward. For details,
refer to the section 6.3.
2. Opening the arms will cause the up per
part of the housing to separate from
frame 1. This will leave a narrow gap.
3. Keeping the locking arms open, place
your hands on op po site sides of frame 1,
lift it slightly and pull it out slowly. As the
frame is with drawn, tilt it pro gres sively
upward to remove it com pletely.
gap
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