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Idiomas disponibles
Idiomas disponibles
4
Installation
CAUTION
Strictly comply with the following rules to prevent damage of the indoor units and human injury.
Do not put a heavy article on the indoor unit. (Even units are packaged)
Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity, be
sure to use buffering cloth, etc. to not damage the unit.
To move the indoor unit, hold the hooking metals (4 positions) only.
Do not apply force to the other parts (refrigerant pipe, drain pan, foamed parts, or resin parts, etc.).
Carry the package by two or more persons, and do not bundle it with plastic band at positions other than
specified.
To install vibration isolation material to hanging bolts. Confirm that it dose not increase the unit vibration.
External dimensions
4.3 (1
4.1
Indoor - Outdoor
inter-unit wire /
Remote controller
Power supply
wire port
wire port
Refrigerant pipe
connecting port
(Gas Ø3/8
(9.52))
Drain pipe
connecting port
Refrigerant pipe
connecting port
(Liquid Ø1/4
(6.35))
Hanging bolt
(Locally procured)
2.4
2.8
Ceiling bottom surface
Ceiling panel (sold separately)
17-EN
(Unit: inch (mm))
Ceiling bottom surface
46.9 (1
42.5
Knockout for simple OA
For Ø3.9
Electrical control box
– 9 –
Opening a ceiling and
installation of hanging bolts
Consider the piping / wiring after the unit is hung
when determining the location of the indoor unit
installation and orientation.
After the location of the indoor unit installation
has been determined, open the ceiling and install
hanging bolts.
The dimensions of the ceiling opening and hanging
bolt pitches are given in the outline drawing and the
attached installation pattern.
When a ceiling already exists, lay the drain pipe,
refrigerant pipe, indoor unit / outdoor unit connection
wires, and remote controller wires to their connection
locations before hanging the indoor unit.
Procure hanging bolts and nuts for installing the indoor
unit (these are not supplied).
Hanging bolt
2.6
Nut
(67)
Using the installation pattern
(accessory)
The installation pattern is provided inside the
packaging cap.
<For existing ceiling>
Use the installation pattern positioning a ceiling
opening and hanging bolts.
<For new ceiling>
Use the installation pattern to position the ceiling
opening when hanging a ceiling.
After the hanging bolts have been installed, install
the indoor unit.
Hook the four holes in the installation pattern to the
panel fixing screws of the indoor unit.
When hanging a ceiling, open the ceiling along the
outside dimensions of the installation pattern.
Panel fixing screw
Installation pattern (Accessory)
Hole
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.
1. Cut and remove the ceiling foundation.
2. Reinforce the cut surface of ceiling foundation, and
add ceiling foundation for fixing the end of ceiling
board.
Installation of hanging bolt
Use
hanging bolts (4 pcs, locally procured).
to size in the unit external view as shown below.
New concrete slab
Install the bolts with insert brackets or anchor bolts.
4 pieces
12 pieces
(Blade type
(Slide type
bracket)
bracket)
Steel frame structure
Use existing angles or install new support angles.
Hanging bolt
Hanging bolt
Existing concrete slab
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
Indoor unit
Rubber
Anchor bolt
(Pipe hanging
anchor bolt)
Support angle
18-EN
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