5
Typical Mounting Positions
COUNTERFLOW
INSTALLATION
Mounted horizontally in return
duct - just above the unit.
SIDE INSTALLATION
Cleaner is mounted vertically,
where return air enters side inlet
of unit.
Figure 6
Figure 7
Figure 8
Figure 9
OFFSET INSTALLATION
If there is less than 7-in. for mounting the air cleaner
between the duct and the unit, move the return air drop.
UPFLOW
HORIZONTAL INSTALLATION
Mounted vertically in return duct as close to the unit as possible.
Figure 5
Installation beneath unit, Cleaner mounts
horizontally, where return air enters from
below. Raise unit by installing a suitable wood
structure and install air cleaner.
SHEET METAL
TRANSITIONS
MEDIA
AIR CLEANER
AIR FLOW
MEDIA
AIR CLEANER
AIR FLOW
