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3-19. Suspending the Indoor Unit
Depending on the ceiling type:
• Insert suspension bolts as shown in Fig. 3-58
or
• Use existing ceiling supports or construct a suit-
able support as shown in Fig. 3-59.
WARNING
(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. 3-56-1 and Table 3-4-1 or Fig. 3-56-2 and
Table 3-4-2)
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. 3-58.
(Cut the ceiling material, if necessary.)
(3) Thread the 3 hexagonal nuts and 2 washers
(field supply) onto each of the 4 suspension bolts
as shown in Figs. 3-60 and 3-61. Use 1 nut and
1 washer for the upper part, and 2 nuts and 1
washer for the lower part, so that the unit will not
fall off the suspension lugs.
DC̲Inverter̲Eng.indd 37
DC̲Inverter̲Eng.indd 37
It is important that you use
extreme care in support-
ing 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
Suspension bolt (M10 or 3/8")
(field supply)
Fig. 3-58
Fig. 3-59
Nuts and washers
(use for upper and lower)
Double nuts
Fig. 3-60
Suspension bolt
Hexagonal nut
Double nuts
Fig. 3-61
37
Concrete
Insert
Ceiling tiles
Ceiling support
Suspension bolt
Suspension lug
Notch
2007/07/25 13:21:41
2007/07/25 13:21:41
GB
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IT
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