AUMA SQEx 12.2 - Operation; Manual Operation; Manual Valve Operation; Motor Operation

Operation
23
7
Operation
7.1
Manual operation
For purposes of setting and commissioning, in case of motor failure or power failure,
the actuator may be operated manually. Manual operation is engaged by an internal
change-over mechanism.
Manual operation is automatically disengaged when motor is started again. The hand-
wheel does not rotate during motor operation.
7.1.1
Manual valve operation
CAUTION
Damage at the manual change-over mechanism/motor coupling due to
faulty operation!
à Engage manual operation only during motor standstill.
à Do NOT use extensions as lever for operation.
How to proceed 1. Press push button.
2. Turn handwheel in desired direction.
Figure19: Engage manual operation
ð The closing direction is marked on the handwheel.
Table13: Handwheel marking (examples)
→ For valve closing, turn handwheel in direction of the arrowhead.
Clockwise closing Counterclockwise closing
Drive shaft (valve) turns clockwise in direction
CLOSE.
Drive shaft (valve) turns counterclockwise in direc-
tion CLOSE.
7.2
Motor operation
NOTICE
Valve damage due to incorrect setting!
à Perform all commissioning settings and the test run prior to motor operation.
Actuator controls are required to operate an actuator during motor operation. If the ac-
tuator is to be operated locally, additional local controls are required.
1. Switch on the power supply.
2. To close the valve, switch on motor operation in direction CLOSE.
ð The valve shaft turns counterclockwise in direction CLOSE.