Installation Instructions
Follow the guidelines fin" proper duct sizing in the ducting charts.
DUCTING CHARTmJV5 Series Models
EquivalentLengthin Feet
0 | 25 | 50 | 75 | 100 |
250
Z
L.L-
200
E
150
o
31//'x 10" Rectangular
100
3¼" x 10" RectangularTransitionto 6" Round= 4£ ft. 7" Round90° Elbow= 8 ft.
7" RoofCap= 30 ft.
DUCTING CHARTmJV6 Series Models
EquivalentLengthin Feet
0 | 25 | 50 | 75 | 100 |
4OO
350
Z
L.L-
300
E
250
200
3¼" x 10" Rectangular Transition to 6" Round = 4£ ft. 7" Round 90° Elbow = 8 ft.
7" Roof Cap = 30 ft.
125150
7" Round
125150
7" Round
Rectangular
• J " n"
MAXIMUM DUCT LENGTH: For satisfactory air moxement, the total dtlct length of a 3 ¼ x 1 rectangular,
6" or 7" diameter round duct should not exceed 65 equivalent feet.
7