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| Proudly made in the U.S.A. | MN900-500
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Step Two: Remove the door and filter
A.
Unlatch the front door.
B.
Remove the main filter.
Step Three: Remove the grid access panel and (3) wire grids
A.
Remove the front plastic panel via the four (4) Philips head screws on the top of the panel and the (4)
Phillips head screws on the bottom of the panel. Gently slide out the three (3) wire grid assemblies and
set them aside. The cabinet is now ready to be connected to the heating or cooling equipment and the
return ductwork.
Installing the SecureAire Air Purifier: Upflow Furnace Example
