Upflow Application - Fedders A*PB24A1 Instruction Manual

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.
11 1
Upflow Installation With Return Duct
HANDLER
(MAY ALSO BE
DOWNFLOW)
11 2
Upflow Installation With Return Platform
CLOSET
DISCHARGE DUCT (600 FPM)
DISCHARGE DUCT (600 FPM)
AIR
HANDLER
AIR
(MAY ALSO BE
DOWNFLOW)
RETURN DUCT WITH A MINIMUM OF
1/2" FIBERGLASS DUCT LINER (500 FPM).
RETURN DUCT WITH A MINIMUM OF
REFER TO LOCAL CODES.
1/2" FIBERGLASS DUCT LINER (500 FPM).
REFER TO LOCAL CODES.
DISCHARGE DUCT (600 FPM)
DISCHARGE DUCT (600 FPM)
CLOSET
RETURN PLATFORM LINED WITH
1" FIBERGLASS INSULATION.
RETURN PLATFORM LINED WITH
REFER TO LOCAL CODES.
1" FIBERGLASS INSULATION.
REFER TO LOCAL CODES.
24" MINIMUM
24" MINIMUM
24" MINIMUM
24" MINIMUM
AIR HANDLER
AIR HANDLER
RETURN
GRILLE
RETURN
(500FPM)
GRILLE
(500FPM)
3