Zephyr AK7000AS Handbuch PDF herunterladen (Seite 7)

Installation – Ducting Calculation Sheet

Duct pieces

To t a l

Equivalent number

length x used =

3-1/ 4” x 10”

Rect.,

straight

1 Ft. x ( ) =

Ft.

7”-10” Round,

straight

1 Ft. x ( ) =

Ft.

3-1/ 4” x 10”

Rect.90

elbow

15 Ft. x ( ) =

Ft.

3-1/ 4” x 10”

Rect.45

elbow

9 Ft. x ( ) =

Ft.

3-1/ 4” x 10”

Rect.90

flat elbow

24 Ft. x ( ) =

Ft.

3-1/ 4” x 10”

Rect.

wall cap

with damper

30 Ft. x ( ) =

Ft.

3-1/ 4” x 10”

Rect.to

6” round

transition

5 Ft. x ( ) =

Ft.

3-1/ 4” x 10”

Rect.to

6” round

transition

elbow

20 Ft. x ( ) =

Ft.

6” Round,

elbow

15 Ft. x ( ) =

Ft.

6” Round,

elbow

9 Ft. x ( ) =

Ft.

6” Round,

straight

1 Ft. x ( ) =

Ft.

Subtotal column 1 =

Duct pieces

To t a l

Equivalent number

length x used =

6” Round

wall cap

with damper

30 Ft. x ( ) =

Ft.

Round

wall cap

with damper

30 Ft. x ( ) =

Ft.

7” - 10”

Round,

elbow

15 Ft. x ( ) =

Ft.

7” - 10”

Round,

elbow

9 Ft. x ( ) =

Ft.

6” Round,

roof cap

30 Ft. x ( ) =

Ft.

7” - 10”

Round,

roof cap

30 Ft. x ( ) =

Ft.

Subtotal column 2 =

Subtotal column 1 =

Total ductwork =

6” round to

3-1/ 4” x 10”

rect.

transition

1 Ft. x ( ) =

Ft.

6” round to

3-1/ 4” x 10”

rect.

transition

elbow

16 Ft. x ( ) =

Ft.

7” round to

3 1/ 4” x 10”

rect.

transition

8 Ft. x ( ) =

Ft.

7” round to

3-1/ 4” x 10”

rect.

transition

elbow

23 Ft. x ( ) =

Ft.

Maximum Duct Length: For satisfactory air movement,

the total duct length should not exceed 100 equivalent feet.

1 2 3 4 5 6 7 8 9 10 11 12 ... 22 23

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