Removal of adjust corner cap
1
Loosen the fixing screws on the adjust
corner cap.
2
Slide the adjust corner cap toward direction
of the arrow mark (1) and then remove it.
(Fig. 1)
Adjust corner cap
Screw
(1)
Ceiling panel
(Fig. 1)
5-English
Installation of ceiling panel
1
Insert the two tentative hanging hooks of the
ceiling panel into the square holes in the
indoor unit. (Fig. 2, Fig. 3)
• The ceiling panel aligns directionally with the
indoor unit. Check that the lead wires of louver
motor connector are on the Electrical control
box side.
Refrigerant piping
Drain piping
corner
Electrical control box
Panel fixed
screw
Hanging section of
tentative hanging
hook
Engraved mark
"DRAIN SIDE"
Ceiling panel
Tentative
hanging hook
Louver motor
connector
(Fig. 2)
Square hole of an indoor unit
Push to remove
Tentative hanging hook
(Fig. 3)
• When removing the ceiling panel, push the
tentative hanging hooks toward the outside
while supporting the panel.
– 3 –
2
Lift the corner of the frame in a panel, slide
the panel fixed implement (bracket) so that
the panel fixed screw head comes under the
bracket. Do the same for all four corners.
(Fig. 4)
• Panel fixed screws are attached to the indoor
unit before shipment.
• Slide the bracket after loosening the panel fixed
screw so that the bracket is easy to be hooked
on the screw head. Tighten the panel fixed
screw again after sliding the bracket.
* There is no need to remove the panel fixed
screw.
Panel fixed implement (bracket)
Panel fixed screw
The frame in a
panel
Slide the bracket so that the
screw head comes under the
bracket.
Panel fixed implement (bracket)
(Fig. 4)
3
Confirm there are no gaps between the
indoor unit and ceiling panel or the ceiling
panel and ceiling surface. (Fig. 5)
No clearance
Indoor unit
Ceiling surface
Ceiling panel
(Fig. 5)
CAUTION
• As shown in the following figure, a trouble may be
caused if the screws are incompletely tightened.
• When a clearance is found between the ceiling
surface and the ceiling panel, readjust height of the
indoor unit even if the screws have been tightened.
Air leak
Air leak from ceiling
Dewing / water leak
Generation of
dust
Adjust so that there is no clearance.
(Fig. 6)
Wiring of ceiling panel
Connect the louver motor connector on the ceiling
panel side and louver motor connector on the
indoor unit side. (Fig.7)
Louver motor
connector
(Indoor unit)
Louvre motor connector
(Fig. 7)
6-English