En-3
3.2. Installation dimensions
Ceiling height is as shown in the figure.
Side view
Strong and durable ceiling
2,100 to 3,200 mm
Floor
150 mm or more
260 mm
Front view
150 mm
or more
Distance between the indoor unit (bottom) and the ceiling board
50 mm
* Be sure to make the function settings with the remote controller according to the
installed ceiling height.
3.3. Installing the unit
WARNING
Install the air conditioner in a location which can withstand a load of at least 5 times the
weight of the indoor unit and which will not amplify sound or vibration. If the installation
location is not strong enough, the indoor unit may fall and cause injuries.
If the job is done with the panel frame only, there is a risk that the unit will come loose.
Please take care.
3.3.1. Position the ceiling hole and hanging bolts
(1) Positions of the ceiling opening, hanging bolt pitch, indoor unit frame and panel
frame.
• Ceiling opening and hanging bolt pitch. (unit: mm)
1,300 to 1,320
(Ceiling opening)
1,222 (Hanging bolt pitch)
460 (Hanging
bolt pitch)
580
(Panel frame)
530 to 550
(Ceiling opening)
500
(Body frame)
1,182 (Body frame)
58 (Control box)
1,350 (Panel frame)
• Refrigerant piping and drain piping positions. (unit: mm)
Gas pipe
Liquid pipe
Drain pipe
50
150
227
204
250
85
120
Drain pipe
(Connect the attached
drain hose)
435
105
65
(2) Hanging
structure.
• Select a strong structure for the hanging location.
• If necessary, reinforce the hanging bolt with quakeproof columnar support material to
prevent shaking.
• Use hanging bolts of M8 to M10.
3.3.2. Hanging preparations
• Firmly fasten the hanging bolts as shown
in the figure or by another method.
• Install the hanging bolts at a place
where they would be capable of holding
a weight of at least 490 N per bolt.
Hole-in anchor
Hole-in plug
Concrete
Insert
Hanging bolt M10
(locally purchased)
3.3.3. Body installation
WARNING
Perform final tightening by tightening the double nut firmly.
Be sure to install the indoor unit horizontally and adjust the height below the indoor unit
and the ceiling surface properly.
(1) Install the attached washer and nut (prepared on site) onto the hanging bolt.
(2) Hook the indoor unit onto the hanging bolt.
(3) Adjust the dimensions of the ceiling surface from the indoor unit.
After installing the grille, you can make fine adjustment of the height of the indoor
unit. For details, refer to the installation manual of the grille.
Hanging bolt (locally purchased)
Nut A (locally purchased)
Nut B (Double Nut)
(locally purchased)
30 mm or more
After installing the indoor
unit, tighten the nuts.
Washer (accessories)
Washer (accessories)
9383489013_IM.indb 3
9383489013_IM.indb 3
08-Feb-19 17:11:21
08-Feb-19 17:11:21
