Installation Overview
RETURN AIR GRILLE INSTALLATION OPTIONS
arrangements will cause performance problems.
There are three indoor return air grille installation options. Choose the option that best suits your
installation details.
NOTE: Use only one filter in the installation.
door.
Unit-mounted filter with a field-supplied return
air grille and access door/panel
Filter
49-5000561 Rev. 1
Outside wall
Option 3
RAVRG4 – Access panel with
return air grille
Option 1
RAVRG2B – Return air grille
Option 2
Filter
Filter