1. Read the valve manual carefully to understand the basic structure and principle

2. Operation steps of electric butterfly valve

2.1 Close the air switches of each circuit, when the "site or remote control" indicator is on, switch the "site" or "remote" control as needed, and then choose to open or close the valve operation according to the "closed" or "opened" indicator light . Note: When the valve is not fully closed, neither the "Closed" or "Open" indicators will light up. Red light means "valve open in place" or "on-site" control, green light means "valve closed in place" or "remote" control;

2.2 If you need to open and close manually, press the manual and automatic switch and rotate the valve at the same time, the "clockwise" direction is to close the valve, the pointer points to 0° when it is closed, the "counterclockwise" direction is to open the valve, and the pointer is when it is open. Point to 90°.