6.
Operation
6.1.
Manual operation
In case of motor failure or power failure, the actuator may be operated man-
ually for purposes of setting and commissioning.
Manual operation is engaged by an internal change-over mechanism.
Engaging manual operation
1. Pivot change-over lever manually to approx. 85° while slightly turning the
handwheel back and forth until manual operation engages.
2. Release change-over lever (should snap back into initial position by
spring action), if necessary, push it back manually.
3. Turn handwheel into desired direction, in doing so the following applies:
To close the valve, turn handwheel clockwise:
Drive shaft (valve) turns clockwise in direction CLOSE.
Disengaging manual operation
Manual operation is automatically disengaged when motor is started again.
The handwheel does not rotate during motor operation.
28
Multi-turn actuator SAExC 07.1 – SAExC 16.1/SARExC 07.1 – SARExC 16.1 Non-Intrusive
with actuator controls AUMATIC ACExC 01.1 Profibus DP
Operation instructions
Damage at the change-over mechanism due to faulty operation!
Ò
Engage manual operation only during motor standstill.
Ò
Only pivot change-over lever manually.
Ò
Using extensions as a lever for operation is
not
permitted.
NOTICE