Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 874

FDC-HKX
2) In case of exposed installation to the ceiling ( with suspension brackets facing in)
a) Fix the suspension brackets to suspension bolts
b) Hook the unit to suspension brackers
c) Fix unit securely in place by tightening the suspension bracket fixing bolts.
d) Attach the side panels and installation is finished.
3) In case the unit is half recessed into the ceiling ( the suspension brackets facing outside)
a) Open a hole in the ceiling large enough for the unit and necessary installation work. ( Fill up the excess opening after the
installation work is finished.)
872
Suspension bracket
Suspension bracket fixing bolts
(let them protrude 8 ~ 12 mm from the unit)
Ceiling
Opening
Ceiling boards
Suspension bolt [M8~M10 (3/8¨)]
Suspension bracket (accessory parts)
Flat washer (accessory parts)
Hexagonal nuts (accessory parts)
Unit : mm