Manual

Installation Instructions
Follow the guidelines for proper duct sizing in the ducting charts.
DUCTING CHART:
Flow vs. equivalent feet of duct length
EL
¢J
300
250
200
150
100
50
0
JV347
JV338
20 40 60 80 100
EquivalentFeetof DuctLength
, of a 3_ x 1 rectangular,MAXIMUM DUCT LENGTH: For satisfhctorv air movement, the total duct length " i ,, 0"
6" or 7" diameter _'otmd duct should not exceed 65 equivalent feet.
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