Zephyr Tempest II AK7500ASX Use, Care And Installation Manual page 7

Equivalent number
Duct pieces
length x used
3-1/ 4" x 10"
1 Ft.
Rect.,
straight
6" Round, 1 Ft.
straight
7"-10" Round, 1 Ft.
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
3-1/ 4" x 10"
30 Ft.
Rect.
wall cap
with damper
3-1/ 4" x 10" 5 Ft.
Rect.to
6" round
transition
3-1/ 4" x 10" 20 Ft.
Rect.to
6" round
transition
90 0 elbow
6" Round, 15 Ft.
90 0 elbow
6" Round, 9 Ft.
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 ( ) =
x ( ) = Ft.
x ( ) = Ft.
x ( ) = Ft.
x ( ) = Ft.
Ft.
x ( ) =
Ft.
x ( ) =
Ft.
x ( ) =
Ft.
x ( ) =
x ( ) = Ft.
x ( ) = Ft.
Ft.
5
Equivalent number
length x used =
6" Round 30 Ft. x ( ) =
wall cap
with damper
6" Round,
30 Ft. x ( ) =
roof cap
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 elbow
0
7" - 10" 15 Ft. x ( ) =
Round,
90 0 elbow
7" - 10" 9 Ft. x ( ) =
Round,
0
45 elbow
7" - 10" 30 Ft. x ( ) =
Round
wall cap
with damper
7" - 10" 30 Ft. x ( ) =
Round,
roof cap
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
Subtotal column 2 =
Subtotal column 1 =
Total ductwork =
T otal
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.