14. INDOOR UNIT INSTALLATION
The indoor unit is factory standard supplied with right hand refrigerant and electrical connections
14.1 Flexible Locations of Return Air
Ducted indoor units – medium static pressure sizes 12K – 18K – 24K – 30K – 36K
are supplied from the factory with back return air ( Factory Standard )
Ducted indoor units – medium static pressure sizes 12K – 18K – 24K – 30K – 36K
can be field converted from back return air to bottom return air as per installation
requirements and as per the below procedure :
• Return air from the unit back is standard and
return air from the bottom is optional.
• The size of the plate from bottom and flange
from back is the same, so it is easy for
installer to change the return air from back to
2. Stick the attached seal sponge as per
the indicating place in the following fig,
and then change the mounting
positions of air return panel and air
return flange.
1. Take off return air panel and flange,
cut off the staples at side rail.
4. The installation has finish, upon filter
mesh which fixing blocks have been
insert to the flange positional holes.
3. When install the filter mesh, please plug
it into flange inclined from air return
opening, and then push up.
Return Air
( Field Conversion )
Return Air
( Factory Standard )
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