CONFIGURATION 2-1
VERTICAL TWO-SECTION DAMPER
MINIMUM SIZE:
6½”w x over 75”h “Installed in duct”
4½”w x over 75”h “Flanged to duct”
MAXIMUM SIZE:
60”w x 120”h or
48”w x 150”h
(Limiting width to 48” allows height to increase to 75” per section.)
MAXIMUM AREA:
50 ft.²
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Over 25 ft.² through 50 ft.²:
2 motor locations. Damper to be ordered with a vertical jackshaft. Operated with a minimum of 1 motor connected to the vertical jackshaft at either top or bottom. Total minimum of one motor.
UNLESS OTHERWISE SPECIFIED, VERTICAL TWO-SECTION DAMPERS ARE SUPPLIED RIGHT HAND.
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CONFIGURATION 2-2
FOUR-SECTION DAMPER
MINIMUM SIZE:
Over 60”w x over 60”h“
MAXIMUM SIZE:
120”w x 120”h or
96”w x 150”h
(Limiting section width to 48” allows height to increase to 75” per section.)
MAXIMUM AREA:
100 ft.²
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Over 50 ft.² through 100 ft.²:
2 motor locations. Damper to be ordered with vertical jackshafts. Operated from right and left side with a minimum of 1 motor connected to each vertical jackshaft, at either top or bottom. Total minimum of 2 motors.
Note: Three sections cannot be connected with vertical jackshafts. A maximum of two sections can be connected vertically.
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