En-3
• Decide the mounting position with the customer as follows:
(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) A place from where the air can be distributed evenly throughout the room by the unit.
(5) Install the unit where connection to the outdoor unit is easy.
(6) Install the unit where the connection pipe can be easily installed.
(7) Install the unit where the drain pipe can be easily installed.
(8) Install the unit where noise and vibrations are not ampli
fi
ed.
(9) Take servicing, etc., into consideration and leave the spaces. Also install the unit
where the
fi
lter can be removed.
3.2. Installation dimensions
Provide a service access for inspection purposes.
Do not place any wiring or illumination in the service space, as they will impede service.
Installation Dimensions
Left
side
Strong and durable ceiling
Indoor unit
Right
side
150 mm or
more
1
400 mm
or more
• When intaking air from back
Service access
Ceiling
2500 mm or more
(When no ceiling)
Floor
225 mm or more
5 mm or more
20 mm or more
300 mm or more
Air
• When intaking air from bottom
100 mm or more
5 mm or more
20 mm or more
Service access
Ceiling
225 mm or more
Air
Adjust the wind direction in the room depending on the shape of blow out opening.
Service access
Air
Air
Control
box
[ Top view ]
400 mm or more
100 mm
or more
300 mm
or more*
Service space
*: Above 100mm When intaking air from bottom
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.
If the job is done with the panel frame only, there is a risk that the unit will come loose.
Please take care.
3.3.1. Unit installation example
Connect the locally purchased duct.
(1) Inlet side
• Connect the duct to the locally purchased inlet
fl
ange.
• Connect the
fl
ange to the body with the locally purchased tapping screws.
• Wind the inlet
fl
ange connecting to the duct with the aluminum tape etc. to avoid the
air leakage.
CAUTION
When the duct is connected to inlet side, remove contained
fi
lter and surely attach
locally purchased
fi
lter at inlet opening.
(2) Outlet side
• Connect the duct with adjusting inside of outlet
fl
ange.
• Wind the outlet
fl
ange connecting to the duct with the aluminum tape etc. to avoid the
air leakage.
• Insulate the duct to avoid the dew condensation.
CAUTION
To prevent people from touching the parts inside the unit, be sure to install grilles on
the inlet and outlet ports. The grilles must be designed in such a way that cannot be
removed without tools.
Check that duct work does not exceed the range of external static pressure of
equipment.
Make sure to insulate ducts to avoid the dew condensation.
Make sure to insulate between ducts and walls if metal ducts are used.
Please explain handling and washing methods of locally purchased materials to the
customer.
To prevent people from touching the parts inside the unit, be sure to install grilles on
the inlet and outlet ports. The grilles must be designed in such a way that cannot be
removed without tools.
When connecting the duct to the outlet port of the indoor unit, be sure to insulate the
outlet port and the installation screws to prevent water from leaking around the port.
Set the static pressure of AR07/09/12 model to 0 to 30 Pa.
Set the static pressure of AR14/18/24 model to 0 to 50 Pa.
Replace the cover as follows.
• Remove the screws, and then remove cover.
• Install the cover with the screws as shown in the illustration below.
Model
Screw
AR07/09/12/14
6
AR18
7
AR24
8
screw
Cover
1 400mm or more when drain from drain pipe
9381858019.indb Sec1:3
9381858019.indb Sec1:3
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11/25/2015 4:11:52 PM
