Pub. No. 18-HE53D1-7
Numbers in [brackets] are for 50 Hz international systems.
3
Installer’s Guide
Step 1:
Review the figures below and determine which
one looks like your application.
Step 2:
To prevent racking of the air cleaner, support
duct per the illustration.
A. DUCT SUPPORT INSTALLATION
Figure 2
Figure 3
Figure 4
B. APPLICATION INFORMATION
NOTE: Do NOT install the air filter in the discharge air
stream of either the air handler or furnace.
▲
CAUTION
!
Do NOT install air cleaner where the filter can be
exposed to UV light. UV light can cause the plastic
material to deteriorate, which may lead to filter dam-
age.
This air cleaner cabinet must be mounted in the return air
duct of a central forced-air Furnace/Air Handler.
Figure 6 Mounting Location of Air Cleaner
Airflow
Airflow
Left or Right Side Mounting
(Furnace ONLY)
Bottom Return
(Furnace / Air Handler)
Airflow
Top Return
(Furnace / Air Handler)
When attaching the air
cleaner to air handler,
f
u
rnace, or d
u
ct
w
ork,
please keep scre
w
s
o
u
t of the circled
areas. The door
attaches to the slots in
these locations.
Figure 7 Avoiding Screw Interference
Furnace
or
air handler
Air Cleaner
Return
Air
Air cleaner cabinet
must align with
furnace or air handler
cabinet to prevent air
cleaner cabinet deflection
Joist or Rafter
Supply
Coil
Furnace
R/A Duct
Air
Cleaner
Return Air Duct must
be supported from
building structure to
prevent air cleaner
cabinet deflection.
Use either a support
from the ceiling or
support from the floor.
ONLY
Supply
Plenum
Furnace or
Air Handler
Air
Cleaner
Return
Plenum
Return Air Plenum must
be supported from building
structure to prevent air cleaner
cabinet deflection
Joist or Flooring
▲
▲
CAUTION
!
SAFETY HAZARD
Sharp Edge Hazard. Be careful of sharp edges on equip-
ment or any cuts made on sheet metal while installing or
servicing. Personal injury may result.
Figure 5
Rafter or Joist
Supply
Plenum
Furnace or
Air Handler
Air
Cleaner
Return
Plenum
Return Air Plenum must be
supported from building structure
to prevent air cleaner cabinet deflection
