En-3
]1
3.2. Installation dimension
10 mm or more
2500 mm or more
Ceiling
INDOOR UNIT
80 mm or more
150 mm or more
Ceiling
10 mm or more
2500 mm or more
Ceiling panel
80 mm or more
150 mm or more
Ceiling panel
INDOOR UNIT
1
3.3. Installing 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.
3.3.1. Preparing indoor unit installation
Remove the intake grille and side cover.
(1) Remove the 2 Air
fi
lters.
(2) Remove the 2 Intake grilles.
For 4 Left rear drain and 5 Left drain: Remove air
fi
lters and intake grilles at 3 places.
•
(Refer to “3.3.4. Select piping direction”.)
(3) Remove the Side cover A (Right side) and Side cover B (Right and Left side).
For
•
5
Left drain: Remove both the Side cover A (Right and Left side). (Refer to “3.3.4.
Select piping direction”.)
(4) This air conditioner can be set up to intake fresh air. For information about how to
install for fresh-air intake, refer to “8. FRESH-AIR INTAKE”.
Side cover B (Right side)
Air
fi
lter
Intake grille
Tapping
screw
INDOOR UNIT
Side cover B
(Left side)
Side cover A (Right side)
3.3.2. Indoor unit installation
You can use the accessory template to help you install the indoor unit. The template helps
you determine the appropriate locations for suspension bolts and pipe openings (drain
pipe and connection cable).
Drilling position for suspension bolt
Drilling position for piping
Template
Wall
Ceiling
3.3.3. Location of ceiling suspension bolts
Fig. A
30 mm
Suspension bolt pitch 1,600 mm
30 mm
Dimensions
(Space required
for Installation)
10 mm
155 mm
300 mm
INDOOR UNIT (TOP VIEW)
INDOOR UNIT
Suspension bolt should extend
outward 30 to 75 mm.
[For Half-Concealed Installation]
• Suspension-bolt pitch should be as shown in Fig. A.
40 mm
Ceiling opening: 1,580 mm
40 mm
Ceiling
panel
INDOOR UNIT
Ceiling opening: 640 mm
15 mm
Ceiling panel
Suspension bolt should extend
outward 30 to 50 mm.
3.3.4. Select piping direction
Select connection piping and drain piping directions.
2
Top piping
(Connection pipe only)
3
Right
piping
4
Left rear piping
(Drain pipe only)
5
Left piping
(Drain pipe only)
INDOOR UNIT (TOP VIEW)
Cut off the piping outlet cutting groove
with a hacksaw, etc.
1
Right rear
piping
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1/25/2013 3:51:35 PM
