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1. Specifications
6-23. Suspending the Indoor Unit
Depending on the ceiling type:
• Insert suspension bolts as shown in Fig. 1-69
or
• Use existing ceiling supports or construct a suitable
support as shown in Fig. 1-70.
(1) When placing the unit inside the ceiling,
determine the pitch of the suspension bolts
referring to the dimensional data on the previous
page. (Fig. 1-68)
Tubing must be laid and connected inside the
ceiling when suspending the unit. If the ceiling is
already constructed, lay the tubing into position for
connection to the unit before placing the unit inside
the ceiling.
(2) Screw in the suspension bolts allowing them to
protrude from the ceiling as shown in Fig. 1-69.
(Cut the ceiling material, if necessary.)
(3) Thread the 2 hexagonal nuts and washers (field
supply) onto the 4 suspension bolts as shown in
Figs. 1-71 and 1-72. Use 2 sets of nuts and wash-
ers (upper and lower), so that the unit will not fall
off the suspension lugs.
WARNING
It is important that you use
extreme care in supporting the
indoor unit inside the ceiling.
Ensure that the ceiling is strong
enough to support the weight
of the unit. Before hanging the
unit, test the strength of each
attached suspension bolt.
Hole-in-anchor
Hole-in-plug
Concrete Insert
Suspension bolt (M10 or 3/8")
(field supply)
Fig. 1-69
Ceiling tiles
Ceiling support
Fig. 1-70
Nuts and washers
(2 sets)
Suspension bolt
Suspension lug
Upper
Lower
Fig. 1-71
Suspension bolt
Hexagonal nut
Fig. 1-72
1