3
Upflow Applicaton
In an upflow application normally a duct is employed as a return air means as shown in Figure 1 below
or a platform is installed as in Figure 2.
DISCHARGE DUCT (600 FPM)
24” MINIMUM
RETURN DUCT WITH A MINIMUM OF
1/2” FIBERGLASS DUCT LINER (500 FPM).
REFER TO LOCAL CODES.
AIR
HANDLER
(MAY ALSO BE
DOWNFLOW)
DISCHARGE DUCT (600 FPM)
24” MINIMUM
RETURN
GRILLE
(500FPM)
RETURN PLATFORM LINED WITH
1” FIBERGLASS INSULATION.
REFER TO LOCAL CODES.
CLOSET
AIR HANDLER
Upflow Installation With Return Duct
DISCHARGE DUCT (600 FPM)
24” MINIMUM
RETURN DUCT WITH A MINIMUM OF
1/2” FIBERGLASS DUCT LINER (500 FPM).
REFER TO LOCAL CODES.
AIR
HANDLER
(MAY ALSO BE
DOWNFLOW)
DISCHARGE DUCT (600 FPM)
24” MINIMUM
RETURN
GRILLE
(500FPM)
RETURN PLATFORM LINED WITH
1” FIBERGLASS INSULATION.
REFER TO LOCAL CODES.
CLOSET
AIR HANDLER
Upflow Installation With Return Platform
11
1
11
2