4.4 Local Control Operation
To locally control the actuator via the LDM or the RDM:
1. Exit “SETUP” mode if applicable.
2. Place the selector knob in the LOCAL position.
NOTE:
The actuator is shipped congured for inching mode unless specied at the time order is
placed; i.e. the actuator is shipped in the “Maintained” mode.
Local Maintained – Inching Mode
3. Place the control knob in either the OPEN or CLOSE position and continue to hold.
After 0.5 seconds the actuator will move in the open or close direction.
4. Release the knob to stop the actuator movement. The knob will return to the
neutral position.
Local Momentary Mode – Seal-ins Active
3. Place the control knob in either the OPEN or CLOSE position. Momentarily hold for
0.5 seconds and release. The actuator will move in the open or close direction to
the end of travel.
4. To stop the actuator movement:
• Place the selector knob in the STOP position.
OR
• Place the control knob in the opposite direction of the current movement
for less than 1.0 second.
NOTE:
If the control knob is held in the opposite direction for more than 1.0 second, the actuator
will reverse direction after stopping for approximately 0.5 seconds to allow instant
reversing without valve plugging or causing high stresses and damage to the actuator.
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