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6 | INDOOR UNIT INSTALLATION
5.
INDOOR UNIT INSTALLATION
5.1.
Installation place
(Refer to Fig.5-1, Fig.5-2, Fig.5-3 for specification.)
The indoor unit should be installed in a location that meets the
following requirements:
•
There is enough room for installation and maintenance.
•
The ceiling is horizontal, and its is suitable to withstand the
weight of the indoor unit.
•
The outlet and the inlet are not impeded, and the influence of
external air is reduced.
•
Ensure air flow can reach throughout the room.
•
The connecting pipe and drainpipe could be extracted out easily.
•
There is no direct radiation from heaters.
•
Do not install the unit in salty atmosphere.
•
If this cannot be avoided your model may need protection which
is anti corrosive.
Keep indoor unit, outdoor unit, power supply wiring and
transmission wiring at least 1 metre away from televisions
and radios. This is to prevent 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 1 metre is kept.).
•
Install the unit at a site with sufficient strength to supporting the
weight of the unit.
•
Insufficient supporting strength could potentially allow the unit to
fall would fall-down and cause human physical injury.
•
Failure installation could cause the unit to fall-down.
5.2.
Install the main body
■
The existing ceiling (to be horizontal)
1.
Please cut a quadrangular hole of 600 x 600 mm in the ceiling
according to the shape of the installation paper board. (Refer to
Fig.5-3, Fig.5-4)
• The center of the hole should be at the same position of that of
the air conditioner body.
• Determine the lengths and outlets of the connecting pipe,
drainpipe and cables.
• Ensure the ceiling is flat for installation this will reduce vibration.
2.
Please select the position of installation hooks according to the
hook holes on the installation board.
• Drill four holes of ⌀12 mm, 45~50 mm deep at the selected
positions on the ceiling. Then fix the expansible hooks (fittings).
• Face the concave side of the installation hooks toward the
expansible hooks. Determine the length of the installation
hooks from the height of the ceiling, then cut off the unneces-
sary part.
• If the ceiling is extremely high, please determine the length of
the installation hook according to material type.
• Use appropriate hooks to fit to the roof material.
• The length could be calculated from Refer to Fig.5-5:
• Length=210+L(in general, L is half of the whole length of the
installation hook)
6720874427 (2017/04)
CAUTION
3.
Please adjust the hexangular nuts on the four installation hooks
evenly, to ensure the balance of the body.
• If the drainpipe is awry, leakage will be caused by the malfunc-
tion of the water-level switch.
• Adjust the position to ensure the gaps between the body and
the four sides of ceiling are even. The body's lower part should
sink into the ceiling for 10~12 mm (Refer to Fig.5-5).
• Use the transparent hose filled with water to check the lever
of the main body from the four sides or diagonal line direction,
the lever indicator also can check the lever from four sides of
the main body .(Refer to Fig.5-6)
• Locate the air conditioner firmly by wrenching the nuts after
having adjusted the body's position well.
■
New built houses and ceilings
1.
In the case of new built house, the hook can be embedded in
advance (refer to the A.b mentioned above). But it should be
strong enough to bear the indoor unit and will not become loose
because of concrete shrinking.
2.
After installing the body, please fasten the installation paper
board onto the air conditioner with bolts(M6X16) to determine
in advance the sizes and positions of the hole opening on ceiling.
(Refer to Fig.5-8)
• Please first guarantee the flatness and horizontal of the ceiling
when installing it.
• Refer to the A.a mentioned above for others.
3.
Refer to the A.c mentioned above for installation.
4.
Remove the installation paper board.
After installing the body, the four bolts(M6x12)must
be fastened to the air conditioner to ensure the body is
secured.
Necessary room
Necessary room
Outlet
Outlet
Inlet
Inlet
>1000
CAUTION
Outlet
Outlet
Ground
Ground
Fig.5-1
>1000
Fig.5-2
4 Way Compact Cassette Type Indoor Unit
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