Indoor unit installation
Installation 97
3.4 Compact cassette indoor unit installation
3.4.1 Service space for indoor unit
3.4.2 Bolt pitch
3.4.3 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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