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RAV-SM560, 561, 800, 801BT-E
RAV-SM1101, 1401BT-E
Concealed duct type
Ledge ceiling concealed duct type
NOTE:
• Opening area of the return grille should be larger than
the one for suction port (Air filter) of the indoor unit.
Channel
Supply chamber
Supply grille
Supplying
Supplying
Returning
Return air grille
Indoor unit
200mm (diam.)
round duct
Supply grille
Supplying
Supplying
Indoor unit
200mm (diam.)
round duct
Supply
chamber
Returning
Return air grille
NOTE:
• Recommended supplying grille size 400 cm² each or more
Quality of supplying grilles
SM561BT
SM801BT
SM1101BT
SM1401BT
2
3
4
4
Restriction to installation
1. Installation clearance
• As shown in the figure, keep clearance around the indoor unit.
100mm
or more
300mm
or more
100mm
or more
Inner ceiling
100mm or more
3
INSTALLATION OF INDOOR UNIT