36
4
INSTALLATION
REQUIREMENT
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.
n
External view
(Unit:mm)
n
Opening a ceiling and installation of hanging bolts
(mm)
• 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 connec-
tion locations before hanging the indoor unit.
Procure hanging bolts and nuts for installing the
indoor unit (these are not supplied).
How to use 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.
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 founda-
tion (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 M10 hanging bolts (4 pcs, to be local procure).
Matching to the existing structure, set
pitch according to size in the unit external view as
shown below.
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.
Ceiling bottom
surface
Knockout square hole
for divide duct (Ø150)
Ø162
105
240
80
105
408
Ø162
Knockout square hole
for divide duct (Ø150)
840 Unit external dimension
Ceiling bottom surface
Refrigerant pipe
connecting port
(Gas) C
Refrigerant pipe
connecting port
(Liquid) B
Take-in port
of wires
Ceiling Bottom
surface
Drain pipe
Connecting port
Knockout square hole
for divide duct f(Ø150)
129
105
189
Hanging bolt M10 or Ø3/8
(To be procured locally)
Knockout square hole for divide duct (Ø150)
690 ± 20 Hanging bolt pitch
860 to 910 Ceiling opening dimension
950 Panel external dimension
Knockout square hole for humidifier
Ceiling panel (sold separately)
Ceiling bottom surface
Z view
Knockout for simple OA
(Ø100)
Ceiling bottom surface
860 to 910 Ceiling opening dimension
780 Hanging bolt pitch
950 P
anel e
xter
nal dimension
105
129
105
187
64
64
57
28.5
30
101
D
480
105
105
129
132
A
256.5
16.5
30
105
263
323
269
840
235
105
480
5
241.5
72
Electric parts box
416.5
45˚
172
112
44
101
D
129
105
Indoor unit
Panel fixing screw
Installation pattern (Accessory)
Hole
Rubber
Anchor bolt
(Blade type
bracket)
(Slide type
bracket)
(Pipe hanging
anchor bolt)
Hanging bolt
Hanging bolt Support angl
Hanging bolt
Nut
M10 or W3/8
M10 or W3/8
4 pieces
12 pieces
Model MMU
AP0092H to AP0122H
AP0152H to AP0182H
A
B
C
D
256
Ø6.4
Ø9.5
120
256
Ø6.4
Ø12.7
120
Model MMU
AP0242H to AP0302H
AP0362H to AP0562H
A
B
C
D
256
Ø9.5
Ø15.9
120
319
Ø9.5
Ø15.9
183
