Eco Air CTBU-09HWFN1-M(C), Service Manual, Page: 83 / 219

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3. When installing the filter mesh, fit it into the
flange inclined from air return opening, and
then push up.
4. The installation has finish, upon filter mesh
which fixing blocks have been insert to the
flange positional holes.
For A6 Duct units
1.Take off ventilation panel and flange, cut off
the staples at side rail
2.Change the mounting positions of ventilation
panel and air return flange .
3. When installing the filter mesh, fit it into the
flange as illustrated in the following figure.
NOTE: All the figures in this manual are for
demonstration purposes only. The air
conditioner you have purchased may be slightly
different in design, though similar in shape.
13.2.1.7 Fresh air duct installation
Dimension :
13.2.2 Compact cassette indoor unit
installation
13.2.2.1 Service space for indoor unit