HOW THE AIR FILTER WORKS
Dirty air flows through your return air ducts and enters the
5" FILTER
compartment where particles (hair, lint, etc.) are removed by the filter. See figure 1.
Filtered air
DIRTY AIR IN 
FILTERED AIR OUT
Figure 1
CONSTRUCTION OF THE AIR FILTER COMPARTMENT
Not only is your air filter compartment easy to install, it is also easy to maintain. Its basic components, and their functions, are as follows: (See Figure 2)
Air Filter Compartment- mounts to existing duct work and houses the filters or optional electronic air cleaner cells.
NOTE: To upgrade your air filter compartment with a high efficiency Electronic Air Cleaner, use the ACR (Air Cleaner Retrofit) Kit for your model. See page 7 for details.
5” Filter - collects dust, dirt and other particles.
Note ACM2000U Compartment: This unit has removable rails (see figure 2A). This unit is installed with the rails to be used with a 24.5” x 19.9” x 4.3” filter. Remove the rails and a 5” filter may be used.
AIR FILTER COMPARTMENT
5" FILTER
DOOR
Figure 2
IF RAILS AND CLIPS ARE
REQUIRED, CLIP RAILS
IN PLACE BEFORE
INSERTING FILTER
FRONT
VIEW
CLIPS
Figure 2A | RAIL |
3
