Pub. No. 18-HE122D1-1-EN Numbers in [brackets] are for 50 Hz international systems. 3
Installer’s Guide
Step 1: Review the gures 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 lter in the discharge
air stream of either the air handler or furnace.
Do NOT install air cleaner where the lter can be
exposed to UV light. UV light can cause the plastic
material to deteriorate, which may lead to lter
damage.
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
Left or Right Side Mounting
(Furnace ONLY)
Bottom Return
(Furnace / Air Handler)
Airflow
Airflow
Top Return
Fig-7
When attaching the air cleaner to air
handler, furnace, or ductwork, please keep
screws out of the circled areas. The door
attaches to the slots in the location.
Figure 7 Avoiding Screw Interference
Supply
Plenum
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
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