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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)
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.
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)
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
less
Side view
Incorrect
Set the air intake and air
discharge sides are within
5 mm with each other.
5 or
less
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