Pump pressure control switch appears e-f what is the fault
E-f that the current pipeline of water, your situation need to manually press the run button will open the automatic control function, or you wait 30 minutes, 48 minutes will automatically open
points to the desired pressure value.
Pressure switch has mechanical, electronic and other two categories. The pressure switch is a device that is combined with the electrical switch, and when the pre-set fluid pressure is reached, the switch contacts are actuated. Mainly used in power plants, petrochemical, metallurgical industries and other industrial equipment output alarm or control signal in the industrial field has an important purpose, to prevent the production of important equipment damage, to avoid the occurrence of major production accidents.
Pump pressure switch so tune:
A. Loosen the lock nut of the pressure switch;
B. Turn the adjustment nut clockwise or counterclockwise as needed until the pointer points to the desired pressure value.
