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Installation Instructions
RETURN AIR GRILLE INSTALLATION OPTIONS
The room return air grill{: ma) be installed toward th( flont or either sid{ ot the unit. Improp_ r return air
arrangements will canse peHbrnaance problems.
Therearethree indoor ReturnAir Grille Installationoptions.Choose the option that best suits your hlstallation
rcquirelm,nts. Follow the Installation Instru(tions provided with the return air grille a(cessor) I_'orinstallation
details.
NOTE: Use only one filter in the installation. The Hll(r may I)< installed on th_ unit or in lb( a((<ss panel/dool:
Outside wall
Unit-mounted filter with a field-supplied return
air grille and access door/panel
J
Option 3
\
RAVRG1 - Access panel with
return air grille
Option 1
RAVRG2 - Return air grille
Option 2
17
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