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·
Optimum air distribution is ensured.
·
The air path is not blocked.
·
Condensation can drain properly.
·
The ceiling is strong enough to bear the weight of the
indoor unit.
·
A false ceiling does not seem to be at an incline.
·
Sufficient clearance for maintenance and servicing
is ensured.(See Fig 3.1.1,Fig 3.1.2 )
·
Piping between the indoor and outdoor units is within
the allowable limits.(refer to the installation of the
outdoor unit )
·
The indoor unit, outdoor unit, power supply wiring
and transmission wiring must be kept at least 1 meter
away from televisions and radio, which prevents image
interference and noise in those electrical appliances.
(Noise may be generated depending on the conditions
under which the electric wave is generated, even if a
one-meter allowance is maintained).
·Do not install the indoor unit in a machinery shop
or kitchen where vapor from oil or its mist flows to
the indoor unit. The oil will deposit on the heat
exchanger, thereby reducing the performance of the
indoor unit, and may deform and in the worst case,
break the plastic parts of the indoor unit.
· Use suspension bolts to install the unit, check whether
or not the ceiling is strong enough to support the
weight of the unit. If there is a risk that the ceiling is
not strong enough, reinforce the ceiling before
installing the unit. For bottom intake, replace the
chamber lid and the intake-side flange in the
procedure listed in below figures.
(1) Remove the intake-side flange, then remove the
chamber lid. Refer to Fig. 3.1.3 for the directions.
(2) Reattach the removed chamber lid in the orientation
shown in Fig. 3.1.4, reattach the removed intake-
side flange in the orientation as shown in Fig. 3.1.4
Fig. 3.1.3
Fig. 3.1.4
Intake-side flange
Filter (invalid for some models)
Chamber lid
Chamber lid
Filter (invalid for
some models)
Intake-side flange
Installation and Maintenance
3.2 Installation
3.2.1 Suspension bolts
(1) Consider the pipe direction, wiring and maintenance
carefully, and choose the proper direction and location
for installation.
(2) Install the suspension bolts as shown in Fig. 3.2
below.
·For the concrete
Screw in
150 to160mm
（100 to150kg）
Concrete
Steel bar
Suspension bolts
(W3/8 or M10)
·For the wooden beam
Wood rib
（
）
60mm to 90mm
Wooden beam
Fig. 3.2.1 Fixing the suspension bolts
3.2.2 The position of the suspension bolts and the pipes
(1) Mark the positions of the suspension bolts, the
positions of the refrigerant pipes and the drain pipes.
(2) The dimensions are shown below.
Model
Capacity (HP)
1.0/1.5
2.0
7
·For the steel beam
" " shaped steel beam
Suspension bolts
(W3/8 or M10)
Nut
Round washer
Square washer
Nut
Suspension bolts
Air inlet
b
a
Air outlet
a
b
937
900
1207
1170
.1
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