En-6
3.3B.1. UNIT INSTALLATION EXAMPLE
(Wall mounted type/Floor standing concealed type)
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
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.
AR04/07/09/12/14/18 Model
Set the static pressure outside the unit to 90 Pa or less (the allowable range is
between 0 and 90 Pa).
AR24 Model
Set the static pressure outside the unit to 50 Pa or less (the allowable range is
between 0 and 50 Pa).
• Remove the screws, and then remove cover and fan guard.
• Install the cover with the screws as shown in the illustration below.
Model
Screw
AR04/07/09/12/14
9
AR18
11
AR24
13
Cover
Fan guard
screw
3.3B.2. INSTALL THE FILTER
• Install
the
fi
lters (Accessories) to the unit.
Filter
AR04/07/09/12/14/18: 2
fi
lters
AR24: 3
fi
lters
Unit
Filter
3.3B.3. FIX THE UNIT
(1) Fixing method of the unit
• To prevent overturning,
fi
x the unit to the
fl
oor or the wall.
• To avoid the vibration of the unit, insert the spacer between the unit and the
fl
oor or the
wall, and
fi
x it.
(2) Leveling
Base horizontal direction leveling on top of the unit.
Level
10 mm or less
PROHIBITED
GOOD
Level
PROHIBITED
GOOD
10 mm or less
CAUTION
Fasten the unit securely with Special nuts A and B.
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