Zephyr Willow AK8800AS Use, Care And Installation Manual page 7
Zephyr willow ventilation hood
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- Use and installation manual (17 pages) ,
- Use and installation manual (17 pages)
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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
elbow
0
6" Round,
15 Ft.
90
elbow
0
6" Round,
9 Ft.
45
elbow
0
Subtotal column 1 =
Maximum Duct Length: for satisfactory air movement, the
total duct length should not exceed 100 equivalent feet.
Duct pieces
=
T otal
x (
) =
Ft.
x (
) =
Ft.
Ft.
x (
) =
Ft.
x (
) =
Ft.
x (
) =
Ft.
x (
) =
x (
) =
Ft.
x (
) =
Ft.
x (
) =
Ft.
Ft.
x (
) =
Ft.
x (
) =
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
elbow
0
7" - 10"
9 Ft.
x (
) =
Round,
45
elbow
0
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
elbow
0
Subtotal column 2 =
Subtotal column 1 =
Total ductwork
=
T otal
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
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