En-3
(1) Install the indoor unit on a place having a suf
fi
cient strength so that it withstands
against the weight of the indoor unit.
(2) The inlet and outlet ports should not be obstructed; the air should be able to blow all
over the room.
(3) Leave the space required to service the air conditioner.
(4) Install the unit where connection to the outdoor unit (or RB unit) is easy.
(5) Install the unit where the connection pipe can be easily installed.
(6) Install the unit where the drain pipe can be easily installed.
(7) Install the unit where noise and vibrations are not ampli
fi
ed.
(8) Take servicing, etc., into consideration and leave the spaces. Also install the unit
where the
fi
lter can be removed.
(9) Do not install the unit where it will be exposed to direct sunlight.
]1
3.2. Installation dimension
Install at least 20 mm from the ceiling.
20 mm or more
Provide a service hole for inspection purposes as shown below.
Do not place any wiring or illumination in the service space, as they will impede service.
30 mm or more
500 mm
or more
500 mm
300 mm
or more
: Service hole
: Service space
Unit
300 mm
or more
AIR
AIR
1
3.3. Installation the unit
WARNING
Install the air conditioner in a location which can withstand a load of at least 5 times
the weight of the main unit and which will not amplify sound or vibration. If the
installation location is not strong enough, the indoor unit may fall and cause injuries.
CAUTION
Con
fi
rm the directions of the air intake and outlet before installing the unit.
The unit takes in air from the evaporator side, and expels it from the fan side.
3.3.1. Installing the hangers
Hanging bolt installation diagram.
1,050 mm
400 mm
155 mm
585 mm
500 mm
AIR
AIR
1,000 mm
1,080 mm
85 mm
AIR
Hanging bolt M10
(Field supply)
Special nut A (Large)
(Accessories)
Washer
(Field sup-
ply)
Special nut B (Small)
(Accessories)
Hanger
CAUTION
Fasten the unit securely with special nuts A and B.
3.3.2. Leveling
Use the procedure in the following
fi
gure to adjust the levelness.
A
B
(Front)
Level meter
B
A
Level meter
(Side)
The side A of the unit with the drain port should be slightly lower than the opposite side B
of the unit. The height difference between sides A and B should be from 0 to 20 mm.
3.3.3. Mounting the duct
Follow the procedure in the following
fi
gure to install the ducts.
862 mm
Intake port
fl
ange
851 mm
14 mm
324 mm
∗
14 mm
∗
Spacing between
fl
ange and drain pan.
Outlet port
fl
ange
26 mm
295 mm
∗
27 mm
9373870111-01_IM.indb Sec1:3
9373870111-01_IM.indb Sec1:3
2012-7-12 14:19:00
2012-7-12 14:19:00
