GE JV566 Owner's Manual And Installation Instructions page 7

Installation Instructions
Follow the guidelines for proper duct sizing in the ducth_g charts.
DUCTING CHART_JV5 Series Models
3OO
u. 250
u
200
,m
<
7" Round
31/4"x 10"
Rectangular
--.--._._.
150
25 50 75 100 125
Equivalent Length (feet)
150 175
DUCTING CHART_JV6 Series Models
45O
g.
0_
400
350
300
,m
<
250
200
0 25
7" Round
31/4" x 10"
50 75 100
Equivalent Length (feet)
125 150
31/4" x 10" Rectangular Transition to 6" Round = 2 ft.
7" Round 90 ° Elbow = 14 ft.
7" Roof Cap = 39 ft.
MAXIMUM DUCT LENGTH: For satisfactorx air movement the total duct length of a 3¼" x 10" rectangular;
6" or 7" diameter round duct should not exceed 65 equivalent feet.
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