En-5
3.3A. Installation the unit (Ceiling
concealed type)
WARNING
• Install the air conditioner in a location which can withstand
a load do at least
fi
ve 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.
3.3A.1. UNIT INSTALLATION EXAMPLE (CEILING
CONCEALED TYPE)
Side Inlet - Side Outlet
Air
Duct (Field supply)
Intake grill (Field supply)
Bottom Inlet - Side Outlet
Replace the cover as follows.
• Remove the 4 tapping screws, and then remove cover.
• Install the cover with the 4 tapping screws as shown in the
illustration below.
Tapping screw
Cover
Duct (Field supply)
Air
Intake grill (Field supply)
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.
• 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 outside the unit to 50 Pa or less (the
allowable range is between 0 and 50 Pa).
3.3A.2. INSTALL THE FILTERS
• Install the
fi
lters to the unit.
Filter (Accessories)
Unit
Filter
AR07/09: 2
fi
lters
AR12/14/18: 3
fi
lters
3.3A.3. DRILLING HOLES FOR BOLTS AND
INSTALLING THE BOLTS
• Using the installation template, drill holes for bolts (4
holes).
Drilling position
for bolts
Installation template
Air
390
886
390
596
Air
AR07/09 models
AR12/14/18 models
Summary of Contents for ARXB07L
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