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3. Drilling the holes and attaching the suspension bolts
If using anchor bolts
(1) Drill holes for anchor bolts at the locations at which you will set the suspension bolts. Note that anchor bolts must be
obtained locally.
(2) Install the anchor bolts, then temporarily attach special nut "B" (included) and a locally-procured M10 nut to each of
the bolts.
Anchor-bolt strength: 980 to 1470 N (100 TO 150 kgf)
4.Installing the indoor unit
(1) Lift unit so that suspension bolts pass through suspension fittings at
the sides (four places),and slide the unit back.
(2) Fasten the indoor unit into place by tightening-up the special "B" bolts
and the M10 nuts. Make sure that unit is secure and will not shift
back and forth.
Ceiling panel
10 to 15 mm
Special nut A (included)
M10 nut (Obtained locally)
Special nut B (included)
(1) Drill 25mm holes at the suspension-bolt locations. The two special nuts are
provided with the unit. The M10 nut must be obtained locally.
(2) Install the bolts, then temporarily attach Special nuts A and B and a normal
M10 nut to each bolt.
Bolt strength: 980 to 1470 N (100 TO 150 kgf)
M10 Nut
(Obtaied locally)
Special nut B(included)
10 to 15 mm
M10 Nut (Obtaied locally)
5.Installing the coupler heat insulation
After checking for gas leaks, insulate by wrapping insulation around the two parts (large and small) of the indoor unit
coupling, using the coupler heat insulation. After installling the coupler heat insulation, wrap both ends with vinyl tape so
that there is no gap. Secure both ends of the heat insulation material using nylon fasteners.
Indoor unit
Nylon fastener (large)
Nylon fastener (small)
No gap
Coupler heat
insulation
Coupler heat insulation(large)
Coupler pipe (large)
Coupler pipe (small)
Coupler heat insulation(small)
Indoor unit
For half-concealed installation
In order to check the drainage, be sure to use a level during installation
of the indoor unit. If the installation site of the indoor unit is not level,
water leakage may occur.
CAUTION
Ceiling panel
Wall
When installing the indoor unit in a semi-concealed orientation, make
sure to reinforce the insulation of the unit on all sides. Drops of water
may fall from the unit if it is not thoroughly insulated.
Glass wool insulate
(10 to 20mm thick )
Indoor unit
(Top view)
Wall
Ceiling panel
Wall
Ceiling
When using an auxiliary pipe, make sure that the fastener used is insulated in the same way.
Note:
When installing the unit on the floor, fix the four rubber base feet in the accessories on the bottom plate of the unit with
four 4x16 screws and 4 flat washers, as the position in the figure.
A
The bottom plate of the unit.
4:1
A
rubber base foot
4x16 screw
flat washer
19
Installation Procedure