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F-26642-8 © Copyright 2010 Schneider Electric All Rights Reserved. 13
B
Shaft Rotates
Clockwise
To Open
Shaft Rotates
Counterclockwise
To Open
A - Left
A - Right
This step determines
shaft rotation. Linkage
may change damper direction.
For MA41-707X and MA41-715X only (manual override).
For MA40-707X and MA40-715X, proceed to step C.
R
R
L
L
O
C
K
R
L
LOCK
If position indicator does not point to zero:Unlock the actuator.
Insert hex wrench into manual override.
Crank the actuator so the indicator points to
0°.
Lock the actuator.
Caution: Do not crank the manual
override if power is applied
to the actuator.
Manual Override
Unlock
Long Shaft
Short Shaft
Min. 3 1/2" (90 mm)
3/8" to 3/4" Diameter (10 mm to 20 mm)
3/8" to 1/2" Square (10 mm to 13 mm)
Min. 3/4" (20 mm)
Move the damper to its normal position. Verify the controller action is set to match the
damper application.
Normally closed damper: when damper is closed, actuator position indicator should
be at 0°. When damper is open, actuator position indicator should be at 90°.
Normally opened damper: when damper is open, actuator position indicator should
be at 0°. When damper is closed actuator position indicator should be at 90°.
Fully engage hex wrench
into manual override before
winding.