19-EN 20-EN 
– 10 –
EN
 ◆ Installation of ceiling opening 
and hanging bolt
Hanging bolt
Level vial
Hanging bracket
 y Attach a nut (M10 or W3/8: not supplied) and the 
Ø34 washer (supplied) to each hanging bolt.
 y Insert a washer on both sides of the T groove of the 
hanging bracket of the indoor unit, and hang the 
indoor unit.
 y Check that the four sides of the indoor unit are level 
using a level vial (levelness: 5 mm or less).
 y Detach the installation gauge (accessory) from the 
installation pattern.
 y Using the installation gauge, check and adjust the 
positional relation between the indoor unit and the 
ceiling opening (1) (10 to 35 mm: 4 sides) and the 
hanging-up height (2) (12
+5
0
mm: 4 corners).
 
(How to use the installation gauge is printed on the 
gauge.)
Hanging bolt 
(M10 or W3/8)
*  Procure hanging bolts 
and nuts locally.
Washer (Accessory) 
To prevent the bolt from 
falling off (for safety), 
be sure to set it just 
under the hanging 
bracket as shown in the 
gure.
Nut (M10 or W3/8)
Eccentric washer 
(Accessory)
*  Install with the marking 
“UP” facing up.
Nut (M10 or W3/8)
Level vial (levelness: 5 mm or less)
Hanging bolt
(1) 10 to 35 mm
Installation gauge
Ceiling 
board
(2) 12
+5
0
mm
Indoor unit
Hanging 
bracket
Indoor unit
Ceiling board
Installation 
gauge
(1) 10 to 
35 mm
(2) 
12
+5
0
mm
REQUIREMENT
Before installation of the indoor unit, be sure to 
remove the tape for transportation between the 
fan and the bell mouth. Running the unit without 
removing the tape may damage the fan motor.
Be sure to remove the tape for 
transportation between the fan 
and the bell mouth.
  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
 y 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.
 y Remove the adjust corner caps at the four corners 
of the ceiling panel, and then install the ceiling panel 
onto the indoor unit.
 y Make sure that the claws of the four adjust corner 
caps are securely t.
*  Improper tting of the claws may cause water 
leakage.
  Installation of remote 
controller (Sold separately)
For installation of the wired remote controller, follow 
the Installation Manual attached with the remote 
controller.
 y Pull out the remote controller cord together with the 
refrigerant pipe or drain pipe. 
Be sure to pass the remote controller cord through 
upper side of the refrigerant pipe and drain pipe. 
 y Do not leave the remote controller at a place exposed 
to the direct sunlight and near a stove.
  Wireless type
The sensor of indoor unit with wireless remote 
controller can receive a signal by distance within 
approx. 8 m. Based upon it, determine a place where 
the remote controller is operated and the installation 
place.
 y Operate the remote controller, conrm that the  
indoor unit receives a signal surely, and then install it.
 y Keep 1 m or more from the devices such as 
television, stereo, etc.
  (Disturbance of image or noise may generate.)
 y To prevent a malfunction, select a place where is not 
inuenced by a uorescent light or direct sunlight.
 y Two or more (Up to 6 units) indoor units with wireless 
type remote controller can be installed in the same 
room.
Signal receiving unit
8 m
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