Installation Instructions
RETURN AIR GRILLE INSTALLATION OPTIONS
The room return air grille may be installed toward the fl'ont or either side of the unit. ]ml)roper return air
arrangements will cause perfi)m/ance problems,
There are three indoor Return Air Grille Installation options. Choose the option that best suits w)ur installation
requirements, Follow the Installation Instructions i)rovided with the return air grille accessory for installation
details,
NOTE: Use only one filter in the installation.The filter ma_ be installed on the unit or in the access panel/door.
Outside wall
RAVRG1 - Access panel with
return air grille
/
Option 1
Unit-mounted filter with a field-supplied return
air grille and access door/panel
Option 3
RAVRG2 - Return air grille
Option 2
Filter
17
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