Installation of ceiling opening and
hanging bolt
Hanging bolt
Level
Hanging bracket
• Attach a nut (locally procured) and the washer
(accessory) to each hanging bolt.
• Insert a washer on both sides of the T groove of the
hanging bracket of the indoor unit, and hang the
indoor unit.
• Check that the four sides of the indoor unit are level
using a level gauge (levelness: 0.2" (5 mm) or less).
• Detach the installation gauge (accessory) from the
installation pattern.
• Using the installation gauge, check and adjust the
positional relation between the indoor unit and the
ceiling opening (1) (0.1" - 0.4" (2.5 - 9.5 mm):
4 sides) and the hanging-up height (2) (0.9" - 1.1" (23
- 28 mm): 4 corners).
(How to use the installation gauge is printed on the
gauge.)
* Procure hanging bolts
and nuts locally.
Hanging bolt
3/8" (M10)
Nut
Washer (Accessory)
3/8" (M10)
To prevent the bolt
from falling off (for
Eccentric washer
safety), be sure to set
(Accessory)
it just under the
hanging bracket as
* Install with the marking
shown in the figure.
"UP" facing up.
Nut
3/8" (M10)
11-EN
For the grid ceiling, incline the unit and then mount the
unit from the electrical control box side as shown in the
figure below.
Electrical control
box side
Grid ceiling
Level gauge (levelness: 0.2" (5 mm) or less)
Hanging bolt
Indoor unit
Hanging
bracket
(1) 0.1" - 0.4"
(2.5 - 9.5 mm)
Ceiling
board
Installation gauge
Indoor unit
(2) 0.9" - 1.1"
(23 - 28 mm)
(1) 0.1" - 0.4"
(2.5 - 9.5 mm)
Installation gauge
Ceiling board
CAUTION
CAUTION
Before installation of the indoor unit, remove the tape
that holds the fan and bell mouth. Running the unit
without removing the tape may damage the fan motor.
Installation of ceiling panel
(Sold separately)
Install the ceiling panel according to Installation
Manual attached with it after piping / wiring work has
completed.
Check that installation of indoor unit and ceiling
opening part is correct, and then install it.
REQUIREMENT
• Joint the connecting sections of ceiling panel, ceiling
surface, ceiling panel and indoor unit closely.
Any gap between them will cause air leakage and the
generate condensation or water leakage.
• Remove the adjust corner caps at the four corners of
the ceiling panel, and then install the ceiling panel
onto the indoor unit.
Installation of remote control
(Sold separately)
For installation of the wired remote control, follow the
Installation Manual attached with the remote control.
• Pull out the remote control wire together with the
refrigerant pipe or drain pipe.
Pass the remote control wire through upper side of
the refrigerant pipe and drain pipe.
• Do not leave the remote control at a place exposed
to the direct sunlight and near a stove.
– 6 –
Installation of wireless
remote control
(Sold separately)
The signal receiving unit of indoor unit can receive a
signal by distance within approx. 23.0' (7 m). Based
upon it, determine a place where the remote control is
operated and the installation place.
• Operate the remote control, confirm that the indoor
unit receives a signal surely, and then install it.
• Keep 3.3' (1 m) or more from the devices such as
television.
(Disturbance of image or noise may generate.)
• To prevent a malfunction and reception failure of the
remote control, select a place where it is not
influenced by a fluorescent light, equipment
(Electronic whiteboard etc.) emitting infrared rays, or
direct sunlight.
• Switching the setting (A-B selection) of the wireless
remote controls and the signal receiving unit enables
two indoor units installed in a room to be respectively
operated using two wireless remote controls.
EN
12-EN