7
3
INSTALLATION OF INDOOR UNIT
Concealed duct type
Ledge ceiling concealed duct type
NOTES:
• Opening area of the return grille should be larger than
one of the return port of the indoor unit.
Restriction to installation
1. Installation space
• As shown in the figure, keep space around the indoor unit.
300mm
or more
300mm
or more
100mm
or more
Inner ceiling
100mm or more
C channel
Supply chamber
Supply grille
Supplying
Supplying
Returning
Air filter
Return air panel
Indoor unit
200mm (diam.)
round duct
Supply grille
Supplying
Supplying
Returning
Return air panel
Indoor unit
200mm (diam.)
round duct
Supply
chamber
Air filter