Installation Instructions
WORKSHEET--CALCULATE TOTAL EQUIVALENT
DUCT |
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| EQUIVALENT | NUMBER |
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PIECES |
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| LENGTH | x USED | = TOTAL | PIECES | ||||
| 3¼"x | 10" | 1Ft. | x | ( | ) | = | Ft. |
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| Rect., |
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| straight |
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| 7" Round, | 1Ft. | x ( | ) | = | Ft. |
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| straight |
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| 6" Round, | 1Ft. | x ( | ) | = | Ft. |
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| straight |
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O | 3¼"x | 10" | 8.5Ft. | x | ( | ) | = | Ft. |
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Rect.90° |
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| elbow |
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O | 3¼"x | 10" | 7Ft. | x | ( | ) | = | Ft. |
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elbowRect.45° |
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| 3¼"x | 10" | 24Ft. | x ( | ) | = | Ft. |
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| Rect.90° |
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| flat elbow |
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| 3¼"x | 10" | 45Ft. | x ( | ) | = | Ft. | (_ | |||
| Rect. |
| (7ft. w/o |
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| wall cap | damper) | x ( | ) | = | Ft. |
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| with |
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| damper |
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| 3¼"x | 10" | 4.5Ft. | x | ( | ) | = | Ft. | C_ | ||
| Rect.to |
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| 6" round |
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| transition |
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| 3¼"x | 10" | 11.5Ft. | x | ( | ) | = | Ft. | <_ | ||
| Rect.to |
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| 6" round |
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| transition |
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| 90° elbow |
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(_ | 90° elbow | 8 Ft. | x ( | ) |
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6" Round, |
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(_ | 45° elbow | 6.5Ft. | x ( | ) |
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6" Round, |
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| Subtotalcolumn1 |
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MAXIMUM | DUCT | LENGTH: | For satislthctorx | air |
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i/loveil/ent, | the | total | (h/ct | length | o_' a 3¼" | x | 10" |
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rectangular, | 6" | or | 7" | diameter | romid | duct | should |
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not exceed | 65 equivalent | feet, |
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DUCTWORK LENGTH
| EQUIVALENT | NUMBER |
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| LENGTH | x USED | = TOTAL | ||
6"Round | 34 Ft. | x ( | ) |
| Ft. |
wall cap | (6ft. w/o |
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| Ft. |
with | damper) | x ( | ) |
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damper |
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6" Round | 30 Ft. | x ( | ) |
| Ft. |
roofcap |
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6" Round | 5.5Ft. | x ( | ) |
| Ft. |
to |
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3¼"x 10" |
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rect. |
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transition |
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6" Round | 14.5Ft. | x ( | ) |
| Ft. |
to |
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3¼"x 10" |
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rect. |
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transition |
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90° elbow |
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| Ft. |
7"90°Round,elbow | 8 Ft. | x ( | ) |
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7" Round, | 6.5R. | x ( | ) |
| Ft. |
45° elbow |
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| Ft. |
wall7"Roundcap | (6ft34 Ft.w/o. | x ( | ) |
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with | damper) | x ( ) |
| Ft. | |
damper |
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| Ft. |
roofcap7" Round | 30 Ft. | x ( | ) |
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7" Round | 5.5Ft. | x ( | ) |
| Ft. |
to |
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3¼"x 10" |
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rect. |
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transition |
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7" Round | 14.5R. | x ( | ) |
| Ft. |
to |
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3¼"x 10" |
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rect. |
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transition, |
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90° elbow |
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| Subtotalcolumn2 |
| = | Ft. | |
| Subtotalcolumn1 |
| = | Ft. | |
| Totalductwork |
| = | Ft. | |
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