Description of AC Speed Controller

There are three types of AC speed controllers : combination type of speed controller (standard type), digital display speed controller and separated type of speed controller.

Precautions:

1. The speed controller starts up slowly, which features of a soft start function.
2. After the speed controller is connected to the motor, if the torque or speed doesn’t meet the requirement, please adjust trimmer potentiometer on the side of US-52.
3. If you want to change the direction of motor operation:
4. COM and CW are short circuited, and then the motor rotates forward.
5. If short circuit between COM and CCW, the motor will rotatereversely.
6. The panel switch only controls the operation or stop of the motor. It is not used for power interruption. Please turn off the power when it is not used for a long time.