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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.
Hanging bolt
M10 or W3/8
4 pieces
Nut
M10 or W3/8
12 pieces
New concrete slab
Install the bolts with insert brackets or anchor bolts.
Steel flame 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
Anchor bolt
(Blade type
bracket)
(Slide type bracket)
(Pipe hanging
anchor bolt)
Hanging bolt
Hanging bolt
Support angle
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)
Installation of remote
controller (Sold separately)
For installation of the wired remote controller, follow the
Installation Manual attached with the remote controller.
• Pull out the remote controller cord together with the
refrigerant pipe or drain pipe.
Pass the remote controller cord through upper side
of the refrigerant pipe and drain pipe.
• Do not leave the remote controller at a place
exposed to the direct sunlight and near a stove.
Wireless remote controller
The sensor of indoor unit with wireless remote
controller can receive a signal by distance within
approx. 8 m. Based upon it, determine a place where
the remote controller is operated and the installation
place.
• Operate the remote controller, confirm that the
indoor unit receives a signal surely, and then install
it.
• Keep 1 m or more from the devices such as
television, stereo.
(Disturbance of image or noise may generate.)
• To prevent a malfunction, select a place where is not
influenced by a fluorescent light or direct sunlight.
• Two or more (Up to 6 units) indoor units with wireless
type remote controller can be installed in the same
room.
Nut
(W3/8 or M10)
M10 flat washer
(Accessory)
M10 flat washer
(Accessory)
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
8 m
or le
ss
99-EN
100-EN
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