GE DPGT750 - Manual (Page 31)

EQUIVALENT
RIGID NUMBER EQUIVALENT
DUCT PIECES LENGTH X USED = LENGTH
Rigid Metal 1 Ft. X ( ) = Ft.
Ducting
(Preferred)
Semi-Rigid 25 Ft. X ( ) = Ft.
Metal Ducting
(inside diameter
does not change)
Flexible Metal 50 Ft. X ( ) = Ft.
Ducting (inside
diameter changes)
Elbows (90°/45°) 10 Ft. X ( ) = Ft.
Turns less 2 Ft. X ( ) = Ft.
Than 4 Ft.
Rigid Metal 1 Ft. X ( ) = Ft.
Ducting
Semi-Rigid 2 Ft. X ( ) = Ft.
Metal Ducting
Flexible Metal Ft.
Ducting Not
Recommended
4” Wall Cap 5 Ft. X ( ) = Ft.
Louvered Wall 10 Ft. X ( ) = Ft.
Cap
2.5” Wall Cap 23 Ft. X ( ) = Ft.
Total Ductwork Length = Ft.
TOTAL MUST BE LESS THAN OR EQUAL TO 150 FT.
Installation Instructions
31
DUCTING COMPONENT EQUIVALENCY CHART
2.5”
(6.35
cm)
4”
(10.2 cm)
TRANSITION DUCTING
(DR
YER TO W
ALL)
INSIDE W
ALLS/CEILING
(W
ALL TO W
ALL CAP)
W
ALL CAPS
Less Than 4 Ft.