(1-4)
Check the unit is horizontally level.
(Refer to Fig.13)
• The indoor unit is equipped with a built-in drain pump and float
switch. Verify that it is level by using a level or a water-filled
vinyl tube.
-&
CAUTION
• The indoor unit is equipped with a built-in drain pump and float
switch. Verify that it is level by using a level or a water-filled
vinyl tube.
(If the unit is tilted against condensate flow, the float switch may
malfunction and cause water to drip.)
(1-5)
Remove the washer fixing plate (7) used for preventing the washer
for hanger (3) from dropping and tighten the upper side nut.
(1-6)
Remove the paper pattern for installation (5).
5.2 FOR EXISTING CEILINGS
Level
[Maintaining horizontality]
Fig. 13
(2-1)
Install the indoor unit temporarily.
I
Perform step (1-1) in (1) For new ceilings.
(2-2)
Adjust the height and position of the unit.
(Refer to
"4. PREPARATIONS BEFORE INSTALLATION-(1)"
and
(1-3)
in (1) For new ceilings.)
(2-3)
Perform steps (1-4), (1-5) in (1) For new ceilings.
-&
CAUTION------------------------
• Install the indoor unit leveled.
If the indoor unit is inclined and the drain piping side gets high, it may cause malfunction of a float
switch and results in water leakage.
• Attach nuts on the upper and lower side of hanger.
If there is no upper nut and the lower nut is over-tightened, the hanger and the top plate will deform
and cause abnormal sound.
• Do not insert materials other than that specified into the clearance between the hanger and
the washer for hanger (3).
Unless the washers are properly attached, the hanging bolts may come off from the hanger.
-&
WARNING -----------------------
The indoor unit must be securely installed on a place that can withstand the mass.
If the strength is insufficient, the indoor unit may fall down and cause injuries.
10
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