③ When install the filter mesh, please plug it
into 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.
13.2.2 Compact cassette indoor unit
installation
13.2.2.1 Service space for indoor unit
13.2.2.2 Bolt pitch
13.2.2.3 Install the pendant bolt
Select the position of installation hooks
according to the hook holes positions showed
in upper picture.
Drill four holes of Ø12mm, 45~50mm deep at
the selected positions on the ceiling. Then
embed the expansible hooks (fittings).
Face the concave side of the installation hooks
toward the expansible hooks. Determine the
length of the installation hooks from the height
of ceiling, then cut off the unnecessary part.
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