14
Figure 5 - Soffit Duct Layout with Skylight Grille
• Install return air grilles or louvers as high as possible in the enclosure. Normally,
one centrally-located grille will be adequate. Avoid under sizing this grille or
“short-circuiting” of air with nearby supply registers.
• Select grilles and diffusers for low static pressure loss and proper throw and CFM
rating.
• Keep the noise criteria levels of the grilles between 35 and 45 dB.
• Use anodized aluminum grilles to prevent premature corrosion.
Desert Aire - SA Manual
VAPOR BARRIER
MAIN SUPPLY
AIR DUCT
WINDOW
POOL
BRANCH SUPPLY AIR DUCT
ANODIZED ALUMINUM
RETURN AIR GRILLE
LOCATE AS HIGH AS POSSIBLE
RETURN AIR DUCT
DESERT AIRE DEHUMIDIFIER
SKYLIGHT
FLEXIBLE DUCT
CONNECTIONS
POOL DECK
ANODIZED ALUMINUM
CEILING DIFFUSER
ANODIZED ALUMINUM
SIDEWALL REGISTER
VAPOR BARRIER
Summary of Contents for SA Series
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