GE JV666HSS Owner's Manual & Installation Instructions page 7

Follow the guidelines for proper duct sizing in the ducting charts.
DUCTING CHART—JV5 Series Models
300
250
200
150
0
DUCTING CHART—JV6 Series Models
450
400
350
300
250
200
0
" x 10" Rectangular Transition to 6" Round = 2 ft.
3 1 ⁄
4
7" Round 90° Elbow = 14 ft.
7" Roof Cap = 39 ft.
MAXIMUM DUCT LENGTH: For satisfactory air movement, the total duct length of a 3
6" or 7" diameter round duct should not exceed 65 equivalent feet.
Installation Instructions
•
•
•
•
25 50
Equivalent Length (feet)
•
•
•
•
25 50
Equivalent Length (feet)
•
7" Round
•
" x 10"
3 1 ⁄
4
•
Rectangular
•
75 100
7" Round
•
" x 10"
3 1 ⁄
4
•
Rectangular
75 100
7
•
•
•
•
125 150
•
•
•
•
125
" x 10" rectangular,
1
⁄
4
175
•
•
150