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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 (110)
4.1 (105)
Take-in port
Power supply
of wires
wire port
Refrigerant pipe
connecting port
(Gas) B
Drain pipe
connecting port
Refrigerant pipe
connecting port
(Liquid) A
Hanging
(Locally procured)
2.4 (60)
2.8 (70)
Ceiling bottom surface
Ceiling panel (sold separately)
Model MMU-
A
UP0151, UP0181
Ø1/2 12.70)
Ø3/8 9.52)
Ø5/8 15.88)
UP0241
17-EN
(Unit: inch (mm))
55.5 (1410) Panel external dimension
54.3 (1380) Ceiling opening dimension
50.0 (1270) Hanging bolt pitch
Knockout for simple OA
Electrical control box
46.5 (1180) Unit external dimension
B
– 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).
Ceiling bottom surface
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
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
Us
e W /
atching to the existing structure, set pitch according
to size in the unit external view as shown below.
Install the bolts with insert brackets or anchor bolts.
4 pieces
W3/8 ( 1 )
W3/8 ( 1 )
12 pieces
(Blade type
bracket)
Use existing angles or install new support angles.
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
Indoor unit
Installation pattern (Accessory)
( 1 ) hang
ing bolts (4 pcs, locally procured).
New concrete slab
Rubber
Anchor bolt
(Slide type
(Pipe hanging
bracket)
anchor bolt)
Steel frame structure
Hanging bolt
Support angle
Hanging bolt
Existing concrete slab
18-EN
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