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INSTALLATION MANUAL
Ceiling Panel
MODEL: RBC-U21PG (W)-E
Cautions on Safety
• Before installation work, read this “Cautions on Safety” thoroughly.
• Strictly keep the following items in mind because they describe the serious contents concerned
with safety. The indications and meanings are as follows:
• After installation work, accompanied with a test run to check if there is no trouble, explain the use method and
maintenance of the unit to the customers according to Owner’s Manual. And also ask the customers to obtain this
Ceiling Panel Installation Manual together with Owner’s Manual and Installation Manual of the indoor unit.
WARNING
• Ask an authorized dealer or qualified installation professional to install the ceiling panel.
Inappropriate installation may result in water leakage, electric shock or fire if you install it by yourself.
• Carry out an installation work securely according to this Installation Manual.
Inappropriate installation may result in water leakage, electric shock or fire.
• A person qualified in the electric work should execute the electric works according to the
Installation Manual and should use the exclusive circuits. The voltage should be matched with
the rated voltage of the product.
The capacity shortage of electric circuit or inappropriate installation may result in electric shock or fire.
• Never modify or repair the product.
Incomplete modification or repair may result in electric shock or fire.
Components
• Never apply an excessive force on the flap. It causes a trouble.
Ceiling Panel
Installation Manual
Name Ceiling panel Screw with washer Screw Installation manual
Q’ty
1
Shape
4 ØM5mm x 40mm ØM4mm x 12mm 14
Ø18
Flap
1. Preparation before installation of ceiling panel
2. Installation to indoor unit
(Fig. 1)
Keep the range within 12 ,
otherwise, a trouble is caused.
+5
–0
12
+5
–0
Indoor unit
Ceiling
surface
Ceiling opening hole size
Flap
Ceiling panelSuction grille
Hook of suction grille
Hook hole of
ceiling panel
Hook of
fall-preventive strap
2
11
11
(1) Position check of indoor unit
1. Check the position of the indoor unit according to the Installation
Manual.
2. Check the size of the ceiling opening hole, applied the following
range.
860mm x 860mm to 910mm x 910mm
3. Using the installation gauge attached to the indoor packing, execute
positioning of the ceiling surface and the indoor unit. If position of
the ceiling surface does not match with position of the indoor unit,
air leak, water leak (dewing), or malfunction of the flap is caused.
• Never put the ceiling panel downward, lean it, or leave it on a
projection to avoid a damage on the surface of the ceiling
panel.
• Do not apply an excessive force on the flap when hanging it
tentatively to the indoor unit. (It causes a trouble on the flap.)
(1) Removal of suction grille
1. Open the suction grille by sliding the hook out of the
suction grille along the arrow direction 1.
2 Take off hook of the fall-preventive strap from the
ceiling panel.
• Do not take off screws of the fall-preventive
strap at the suction grille side.
3. As the suction grille opened, remove the hinge
section of the suction grille from the ceiling panel
toward the arrow direction (2).
(2) Removal of adjust corner cap
1. Slide the adjust corner cap along the arrow direction
1
, and then remove the adjust corner cap. (Fig. 1)
Push
Adjust corner cap Ceiling panel
Strap
1
Adjust corner cap
RBC-U21PG (W)-E