When the controller uses alternating current to control, it needs to be equipped with an earth leakage protective switch and an intermediate
relay control device, and the connection method is as follows:
Control parameter setting operation flow chart
Note: after the power supply or set the upper and lower limits, when there is no pressure, the lower limit will blink, indicating that the pressure
is below the lower limit, in the alarm; after the pressure is higher than the lower limit position, will stop flashing.