CR-Tec CR50S Panduan Petunjuk Pemasangan, Pengoperasian & Pemeliharaan - Halaman 11

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C. Limit switch setting
(1) No need to adjust because Limit Switch is set at factory.
(2) In case that Limit Switch Cam re-adjust at site, operate the actuator manually to the close(open) position.
· Loosen the cam adjustment screw in the Close(Open) limit switch cam.
· Rotate the cam in a clockwise(counter-clock wise) towards the limit switch lever until cam double-
clicks on the switch.
· Tighten the cam screw
Aux. Close Limit Switch
Close Limit Switch
Open Limit Switch
Open Limit Switch Aux.
D. Manual operation
(1) Disconnect Power
(2) Rotate lever 90⁰ as the right picture.
(3) Rotate handle-wheel for open or close
(4) After manual operation or supplying
power, place the lever back in place !!!
※ When turning the lever, simultaneously turn the
handle slightly in both directions.
7. Trouble Shooting
Actuator does not respond
A.
Check that the voltage matches the rating on the actuator
(1)
nameplate.
Verify the line of power supplying to the actuator
(2)
Check internal wiring against actuator wiring diagram
(3)
Check limit switch cams
(4)
Actuator is receiving power but does not operate
B.
Check if the valve force is bigger than the torque of actuator
(1)
Check limit switches and cams
(2)
Check internal wiring
(3)
Verify coupler/bracket are correctly installed
(4)
Verify the actuator against valve rotation
(5)
Valve only opens or closes partially with motor
C.
Limit switch incorrectly set
(1)
Over torque : Incorrectly sized actuator
(2)
Jammed valve
(3)
Damaged or bent valve stem
(4)
CR-TEC
Engineering Inc.
Close limit switch cam
M4 hexagon socket head screw
Open limit switch cam
Auto mode
• [email protected] • www.crtec.com • 203-318-9500
Manual mode
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