– 10 –
EN
Installation of hanging bolt
• Consider the piping / wiring after the unit is hung to
determine the location of the indoor unit installation
and orientation.
• After the location of the indoor unit installation has
been determined, install hanging bolts.
• For the dimensions of the hanging bolt pitches, refer
to the external view.
• When a ceiling already exists, lay the drain pipe,
refrigerant pipe, control wires, and remote controller
wires to their connection locations before hanging the
indoor unit.
Procure hanging bolts washer and nuts for installing the
indoor unit (these are not supplied).
Installation of hanging bolt
Use M10 hanging bolts (4 pcs, locally procured).
Matching to the existing structure, set pitch according to
size in the unit external view as shown below.
Installation of indoor unit
Treatment of ceiling
The ceiling differs according to structure of building.
For details, consult your constructor or interior finish
contractor.
In the process after the ceiling board has been removed,
it is important to reinforce ceiling foundation (frame) and
to keep horizontal level of installed ceiling correctly in
order to prevent vibration of ceiling board.
• Attach the nuts and the M10 flat washers to the
hanging bolt.
• Put washers at up and down of the hanging bracket of
the indoor unit to hang down the indoor unit.
• Check that four sides are horizontal with a level
gauge. (Horizontal degree: Within 5 mm)
Hanging bolt
M10 or W3/8
4 pieces
Nut
M10 or W3/8
12 pieces
Washer
M10
8 pieces
New concrete slab
Install the bolts with insert brackets or anchor bolts.
Steel frame structure
Use existing angles or install new support angles.
Existing concrete slab
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
Rubber
(Blade type
bracket)
(Slide type
bracket)
(Pipe hanging
anchor bolt)
Anchor bolt
Hanging bolt
Support angle
Hanging bolt
M10 flat washer
M10 flat washer
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Nut
(W3/8 or M10)
REQUIREMENT
• Hang the unit in a horizontal position. When unit is hanged to slant, it may cause overflow of drainage.
• Install the unit within the dimension according to the figure below.
• Use level gauge to confirm whether the unit is hang horizontally.
Changing from under air intake to back air intake
Remove the suction board cover attached to the back, and screw it to the bottom of unit.
Front view
Drain pump side
Incorrect
Drain pump side
Set the drain pipe connecting
port side within 5 mm lower
than opposite side.
5 or
le
ss
Side view
Incorrect
Set the air intake and air
discharge sides are within
5 mm with each other.
5 or less
Suction board
Remove the top and bottom fan case screws,
and fasten the fan case with the suction board.
Some models have no
drain guard here.
19-EN
20-EN
