18-EN
17-EN
– 9 –
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
speci
fi
ed.
External view
(Unit: mm)
105
105
240
80
105
105
Ø162
Ø162
129
172
112
44
105
105
30
263
241.5
72
408
129
189
323
269
840
480
105
235
5
101
30
105
129
132
416.5
480
105
256.5
16.5
187
64
61
28.5
57
45º
105
129
101
Ceiling bottom
surface
Knockout square hole
for divide duct
For Ø150
Electrical
control box
Ceiling bottom surface
840 Unit external dimension
690 ± 20 Hanging bolt pitch
860 to 910 Ceiling opening dimension
950 Panel external dimension
Refrigerant pipe
connecting port
(Liquid) B
Take-in port
of wires
Ceiling
bottom
surface
Refrigerant pipe
connecting port
(Gas) C
Knockout square
hole for divide duct
For Ø150
Ceiling bottom
surface
Knockout for
simple OA
For Ø100
Ceiling bottom surface
Ceiling panel (sold separately)
Knockout square hole for humidi
fi
er
Knockout square hole for divide duct
For Ø150
Hanging bolt M10 or Ø3/8
(Locally procured)
Knockout square hole
for divide duct
For Ø150
Drain pipe
connecting
port
860 to 910 Ceiling opening dimension
780 Hanging bolt pitch
950 Panel external dimension
Z view
(mm)
Model
A
B
C
D
Model
A
B
C
D
HM56 Type
256
Ø6.4
Ø12.7
120
HM110 Type
319
Ø9.5
Ø15.9
183
HM80 Type
256
Ø9.5
Ø15.9
120
HM140 Type
319
Ø9.5
Ø15.9
183
HM90 Type
319
Ø9.5
Ø15.9
183
HM160 Type
319
Ø9.5
Ø15.9
183
Opening a ceiling and
installation of hanging bolts
•
Consider the piping / wiring before 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
M10 or W3/8
4 pieces
Nut
M10 or W3/8
12 pieces
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
fi
xing screws of the indoor unit.
•
When hanging a ceiling, open the ceiling along the
outside dimensions of the installation pattern.
Indoor unit
Panel
fi
screw
Hole
Installation pattern (Accessory)
Treatment of ceiling
The ceiling differs according to structure of building.
For details, consult your constructor or interior
fi
nish
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
fi
xing the end of ceiling
board.
I
nstallation 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.
New concrete slab
Install the bolts with insert brackets or anchor bolts.
(Blade type
bracket)
(Slide type
bracket)
(Pipe hanging
anchor bolt)
Rubber
Anchor bolt
Steel
fl
ame structure
Use existing angles or install new support angles.
Hanging bolt
Hanging bolt
Support angle
Existing concrete slab
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
