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Installation
Instructions
Follow the guidelines
fin" proper
duct sizing in the ducting
charts.
DUCTING
CHARTmJV5
Series Models
Z
L.L-
E
o
0
25
250
200
150
100
Equivalent L engthin Feet
50
75
31//' x 10"
Rectangular
100
125
3¼" x 10" Rectangular T ransitionto 6" Round= 4£ ft.
7" Round90° Elbow= 8 ft.
7" RoofCap= 30 ft.
150
7" Round
DUCTING
CHARTmJV6
Series Models
Equivalent L engthin Feet
0
25
50
75
4OO
100
125
150
Z
L.L-
E
350
300
250
200
3¼" x 10" Rectangular Transition to 6" Round = 4£ ft.
7" Round 90° Elbow = 8 ft.
7" Roof Cap = 30 ft.
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
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