MA Series Electric Actuator
Installation, Maintenance and Operational Manual
Features
•
30% Duty cycle at ambient temperature and
rated torque
•
Thermal overload protection to guard motor
against overheating
•
Manual overrides on all standard models
•
Rotates clockwise to close valve and
counterclockwise to open valve
•
Mechanical dial position indicator
•
Self-locking gearing
WARNING:
DO NOT APPLY ELECTRIC
POWER UNLESS UNIT IS FULLY
ASSEMBLED AND MOUNTED.
ALWAYS DISCONNECT ELECTRIC POWER SOURCE
AND RELIEVE PRESSURE IN THE SYSTEM PRIOR
TO MAINTENANCE.
IT IS RECOMMENDED THAT EYE PROTECTION BE
WORN WHILE SERVICING THE SYSTEM.
FAILURE TO COMPLY WITH ABOVE WARNINGS
COULD RESULT IN PERSONAL INJURY AND/OR
DAMAGE TO THIS PRODUCT.
To order or for additional information, visit dynaquip.com or call 800-545-3636.
Manual Override
In the event of power failure, the DynaQuip actuator
may be cycled manually. Handwheel manual override
is always engaged. Actuators rotate clock-wise to close
valve and counterclockwise to open valve. Failure to
rotate in the proper direction will cause limit switches
to malfunction.
Inspection Upon Receipt
1. Visually inspect to be sure actuator has not been
damaged in transit.
2. Verify that Model Number is correct as ordered.
3. Verify that electrical supply voltage is the same as
specified on the actuator label.
4. Verify that NEMA rating on label is as required:
Weatherproof/Corrosion Resistant (NEMA 4).
5. Check that mounting bolt pattern and output shaft
adapter configurations are as required.
5. Turn handwheel to be certain that manual override
and position indicator are in working condition and
have not been damaged in transit.
ENGLISH
ESPAÑOL
FRANÇAIS