WARNING
It is important that you use extreme care in supporting
the indoor unit from the ceiling. Ensure that the ceiling is
strong enough to support the weight of the unit. Before
hanging the ceiling unit, test the strength of each attached
suspension bolt.
(5) Screw in the suspension bolts, allowing them to protrude
from the ceiling (Figs. 3-11 and 3-12).
The distance of each exposed bolt must be of equal length
within 50 mm. (Fig. 3-13)
Unit
Ceiling surface
Bracket
(6) Carry out the preparation for suspending the indoor unit.
The suspension method varies depending on whether
there is a suspended ceiling or not. (Figs. 3-14 and 3-15)
(7) Suspend the indoor unit as follows:
a) Install the bracket to the suspension bolt.
Stick it onto the ceiling surface. (Fig. 3-14~3-16)
Unit
Bracket
Unit
Washer
(supplied)
Suspension bolt
Fig. 3-13
Suspension bolt
(not supplied)
Ceiling surface
Washer (supplied)
Double nut
(not supplied)
Fig. 3-14
Suspension bolt
(not supplied)
Washer
(not supplied)
Washer (supplied)
Double nut
(not supplied)
Fig. 3-15
Ceiling
surface
Double nut
(not supplied)
Fig. 3-16
b) Suspend the indoor unit to the bracket.
Tighten the M8 suspension bolts and fix the indoor unit
in place. (Fig. 3-17)
M8 suspension bolt
M8 suspension bolts
N OTE
The ceiling surface is not always level. Confirm that the indoor
unit is evenly suspended. For the installation to be correct,
leave a clearance of about 10 mm between the ceiling panel
and the ceiling surface and fill the gap with an appropriate
insulation or filler material.
3-4. Duct for Fresh Air (Field supply)
There is a outside air intake duct connection port (cut out hole)
at the left-rear of the indoor unit for drawing in fresh air. If it is
necessary to draw in fresh air, remove the cover by opening
the hole and connecting the duct to the indoor unit through the
connection port. (Refer to Fig. 3-3)
3-5. Shaping the Tubing
● The positions of the refrigerant tubing connections are
shown in the figure below. (The tubing can be routed in
3 directions.) (Fig. 3-20)
* When routing the tubing out through the top or right sides,
cut out the cover of the top panel and cut notches in the side
panel (Refer to Fig. 3-3).
If the tubing is to be routed out
together, use a box cutter or
similar tool to cut out the part
of the cover indicated by
the marked area (Fig. 3-19),
to match the positions of the tubes.
Then draw out the tubing.
9
M4 screw for preventing
bracket from taking off
Fig. 3-17
Fig. 3-18
Cover
Fig. 3-19