INSTALLATION CONT.
1. Install mounting support bracket on return air duct for
bottom support using the provided #8 x 1/2” screws. (Unit
can also be installed on the wall, with ducting connecting to
return, using 8” provided collars.) Install the side mounting
brackets on both sides of the unit by removing and
remounting the screws located on the unit.*
2. Cut round intake and exhaust holes in the duct work; each
8” in diameter.
3. Cut out the round intake and exhaust holes on the top and
bottom of the HEPA unit.
4. Hang the HEPA Air Cleaner onto the duct using the
provided #8 x 1/2” screws. Attach duct to intake and
exhaust holes. Screw side brackets into the duct using the
provided #8 x 1/2” screws.*
5. Install 8” collars using the provided #8 x 1/2” screws (12
included).
6. Remove lters from plastic bags. Insert the pre-lter with
carbon in the top slot; the HEPA lter in the bottom slot.
7. Plug unit into a 120V outlet. Turn fan on using the dial
control to the preferred speed.
See maintenance on the back page.
Duct Mount HEPA (Models 400D)
Room / Portable Units (Models 400P)
Duct Mount Collars Are Included!
Intake
Exhaust
Bottom
Support
Bracket Side
Mounting
Bracket
1. Remove lters from plastic bags. Insert the prelter with carbon
in the top slot and the HEPA lter in the bottom slot.
2. Install caster wheels.
3. Place in room of choice and pug the unit into a 120V outlet.
4. Turn variable speed dial control to increase airow (CFM).
See maintenance on the back page.
*Side Mounting Brackets Add 1” on Either
Side of HEPA Unit; Requiring a Minimum
Duct Width of 20” for Installation
Return Air
