Zephyr Monsoon I AK9228AS Use, Care And Installation Manual page 7

Equivalent number
Duct pieces
length x used
3- 1/ 4" x 10" 1 Ft.
Rect.,
straight
6", 7", 8", 10" 1 Ft.
Round,
straight
3- 1/ 4" x 10" 15 Ft.
Rect. 90 0
elbow
3- 1/ 4" x 10" 9 Ft.
Rect. 45 0
elbow
3- 1/ 4" x 10" 24 Ft.
Rect. 90 0
flat elbow
7" to 6" or 25 Ft.
8" to 7" Round
tapered
reducer
15
6", 7", 8" Ft.
Round
in-line
damper
6", 7", 8", 10" 15 Ft.
Round,
90 elbow
0
6", 7", 8", 10"
9 Ft.
Round,
45
0 elbow
Subtotal column 1 =
Maximum Duct Length:
For satisfactory air movement,
the total duct length should not exceed 100 equivalent feet.
Duct pieces
= T otal
Ft.
x ( ) =
Ft.
x ( ) =
Ft.
x ( ) =
x ( ) = Ft.
Ft.
x ( ) =
Ft.
x ( ) =
Ft.
x ( ) =
x ( ) = Ft.
Ft.
x ( ) =
Ft.
5
Equivalent number
length x used =
3- 1/ 4" x 10" 5 Ft. x ( ) =
Rect. to
6" round
transition
3- 1/ 4" x 10" 20 Ft. x ( ) =
Rect. to
6" round
transition
90 0 elbow
6" round to 1 Ft. x ( ) =
3- 1/ 4" x 10"
rect.
transition
6" round to 16 Ft. x ( ) =
3- 1/ 4" x 10"
rect.
transition
90 0 elbow
7" round to 8 Ft. x ( ) =
3 1/ 4" x 10"
rect.
transition
7" round to 23 Ft. x ( ) =
3- 1/ 4" x 10"
rect.
transition
90 0 elbow
3- 1/ 4" x 10" 30 Ft. x ( ) =
Rect.
wall cap
with damper
6", 7", 8", 10" 30 Ft. x ( ) =
Round, wall
cap with
damper
6", 7", 8", 10" 30 Ft. x ( ) =
Round
roof cap
Subtotal column 2 =
Subtotal column 1 =
Total ductwork =
T otal
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.