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1. Preparation Before Installing the Ceiling Panel
Position check of indoor unit
1. Confirm the position of the indoor unit according to the
installation Manual.
2. Check whether size of the ceiling opening hole is in the
following range or not.
860 mm × 860 mm to 910 mm × 910 mm
3. Using the installation gauge which is attached to the
indoor unit package, determine position of the indoor unit
against the ceiling surface. If the position of the indoor unit
is not correct, air leak, water leak (dewing), or malfunction
of the louver is caused.
• Do not put the ceiling panel downward, lean it, or leave
it on a projection to avoid a damage on the surface of
the ceiling panel.
• Handle with care so as not to deform the tentative
hanging hooks attached to the rear side of the ceiling
panel.
• Do not apply excessive force on the louver or the
styrofoam on the air outlet while hanging it tentatively
to the indoor unit. (It may causes a trouble on the
louver.)
Be sure to adjust the position between the indoor
unit and the hanging-up height (12 mm to 17 mm).
Failure to do so cause the malfunction or other
damages.
Removal of air inlet grille
1. Pushing the corner on the air inlet grille, slide the hook in the direction of the arrow mark (1) and slowly open the grille.
2. Release the safety strap hook from the ceiling panel.
• Do not remove the safety strap screw on the air inlet grille side.
3. Remove the hinge section of the air inlet grille from the ceiling panel in the direction of the arrow mark (2) while the air inlet
grille is opened.
Ceiling
panel
Adjust
corner cap
(1)
(1)
Hook for air
inlet grille
Hook
Removal of adjust corner cap
1. Lift the corner of the adjust corner cap toward direction of the arrow mark (1) and then remove all four corners.
2. Installation to Indoor Unit
Air inlet
grille
Adjust
corner cap
(1)
(1)
(2)
(2)
Push
(2)
Slide
(1)
(1)
(1)
(1)
Ceiling board
Heat insulator
Safety strap
hook
Hinge
- 2 -
Indoor unit
Ceiling opening size
Installation gauge
(Indoor unit accessory)
CAUTION
Do not remove the heat insulators.
A heat insulator on the corner of
rear side of the panel are for dew
protection. Do not remove the heat
insulators because removing them
causes dew drop or water leakage.
Adjust corner cap
String
Ceiling panel
Unit: mm
Hook hole
of ceiling
panel
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