Pressure switch has a hysteresis, how to use
Second, the low-voltage switch is always jump there are two possibilities, one is the original water pressure fluctuations vary, the other is the reference pressure in the vicinity of the original water pressure and the return pressure is small;
First, the low-voltage switch has two adjustable screws, one is the reference pressure, usually 0-6bar, one is the reconnection pressure, usually 0-2bar, you can control or adjust the adjustment with a screwdriver.
Third, for the first general good solution, such as It is not easy to jump; for the second, you can use the following methods to adjust: (1) first observe the normal operation of the original water pump to increase the original water pump outlet valve opening, making the original water pressure is relatively large, Pressure, the reference pressure adjustment than its low, such as pretreatment water pressure is 2.5bar, which is the reference pressure can be adjusted to 2bar; (2) set the low pressure jump pressure value, such as when the water pressure below 1.5bar when the pressure switch began to jump, then this is the return pressure adjustment to 0.5bar; (3) although adjusted, but the adjustment of the accuracy is different, so, according to the actual situation with the pressure to adjust until they reach requirements, such as pull-on time 2bar pressure, the pressure will jump when 1.5bar (this time can be adjusted by adjusting the pressure of the high pressure pump valves or raw water pump outlet valve Generally meet the requirements). (4) If you want the pressure hysteresis large range of points, you can put back the difference between the pressure regulator to 0.8-1.0bar, so that when the pressure reaches 2bar pull, and when the pressure is less than 1bar jump. I hope you can help low-voltage switching regulator, and wish you well in advance can be adjusted.
