28 Universal System Air Conditioner
Ceiling Cassette 4-way
8.4 Installation of Decoration Panel
1. Temporarily fix two decoration panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by
amount 10mm in length.)
The fixing screws (hexagon M5 screw) are included the indoor unit box.
2. Remove the air inlet grille from the decoration panel. (Remove the hook for the air inlet grille cord.)
3. Hook the decoration panel key hole (            ) on the screws fixed in step above, and slide the panel so
that the screws reach the key hole edge.
4. Retighten completely two temporarily fixed screws and other two screws. (Total 4 screws)
5. Connect the louver motor connector and display connector.
6. After tightening these screws, install the air inlet grille (including the air filter).
Decoration panel fixing screws
(hexagon M5 screws)
Temporally fitting at 2 places
(Tightening about 10mm)
Control box cover
Piping side
Inlet GrilleInlet GrilleInlet Grille
Inlet GrilleInlet Grille
Louver motor
Decoration panel fixing screws 
(Hexagon M5 screw)
Air conditioner unit
Decoration panel
Key holes
Display
Lead wire for 
louver motor and
display
The decoration panel has its installation
direction.
Before installing the decoration panel,
always remove the paper template.