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– 3 –

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)

(Fig. 1)

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.

(Fig. 2)

(Fig. 3)

• When removing the ceiling panel, push the 

tentative hanging hooks toward the outside 
while supporting the panel.

(1)

Adjust corner cap

Ceiling panel

Screw

Drain piping 

corner

Hanging section of 

tentative hanging 

hook

Tentative 

hanging hook

Ceiling panel

Panel fixed 

screw

Louver motor 

connector

Electrical control box

Engraved mark

“REF. PIPE SIDE”

Engraved mark

“DRAIN SIDE”

Refrigerant piping

Square hole of an indoor unit

Push to remove

Tentative hanging hook

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.

(Fig. 4)

3

Confirm there are no gaps between the 
indoor unit and ceiling panel or the ceiling 
panel and ceiling surface. (Fig. 5)

(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.

(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)

(Fig. 7)

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)

Ceiling panel

Indoor unit

No clearance

Ceiling surface

Air leak

Air leak from ceiling

Generation of 

dust

Dewing / water leak

Adjust so that there is no clearance.

Louver motor 

connector 

(Indoor unit)

Louvre motor connector

5-English

6-English

Содержание RBC-UM21PG(W)-E

Страница 1: ...Installation Manual 1 English AIR CONDITIONER Compact 4 way type Ceiling panel Model name RBC UM21PG W E Installation Manual For commercial use ...

Страница 2: ...e aftereffect and require hospitalization or long term treatment as an outpatient 2 Slight injury indicates injury burns electric shock and other injuries which do not require hospitalization or long term treatment as an outpatient 3 Damage to property indicates damage extending to buildings household effects domestic livestock and pets Ask an authorized dealer or qualified installation profession...

Страница 3: ...ndle 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 Louver Indoor unit Level gauge levelness 5 mm or less Hanging bolt Hanging bracket Installation gauge 1 2 5 9 5 mm Ceiling boa...

Страница 4: ...racket 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 Fig 4 3 Confirm there are no gaps between the indoor unit and...

Страница 5: ...ing connector to install the air intake grille Attach a strap to prevent falling of the air intake grille to the ceiling panel Close the air intake grille hooks Slide the fixing brackets and securely fix them with fixing screw Fig 9 1 2 Square hole 5 positions Adjust corner cap Claws 5 positions Screw Note Tightening torque 1 N m or less 4 direction free Hook of fall preventive strap Hook hole of ...

Страница 6: ...EB99813701 ...

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