Thank you kindly enthusiastic answer. Originally the air compressor will not stop. I thought it was a pressure switch problem. Only to know that the contactor problem. And the pressure switch ruined. After changing the new pressure switch. The machine stopped all the time. One or two minutes are kept. It does not let go. Is not the pressure switch is broken or where it leaks it Brother is a rookie. Check the afternoon to find out no problems. Ask the masters.
The working principle of the pressure switch is when the pressure inside the system is higher or lower than the rated safety pressure, the sensor disc moving instantly, through the connecting rod to push the switch connector connected or disconnected, when the pressure dropped to or When the rated pressure is exceeded, the switch is automatically reset, or simply when the measured pressure exceeds the rated value, the free end of the elastic element is displaced, directly or after comparison, pushing the switching element, changing the switching element On-off state, to achieve the purpose of controlling the measured pressure. The pressure switch uses elastic elements such as single-ring spring tube, diaphragm, diaphragm and bellows.
Put the gas, because the internal solenoid valve opening and closing, internal and external pressure pressure, it issued a sound.
One is to adjust the upper limit of pressure, and the other is to adjust the upper and lower limits of the pressure difference.
To the pressure to stop when the solenoid valve to the internal pressure relief once, it is necessary to make a sound.
1. You are talking about the minimum pressure valve at the top of the oil separation cylinder, when the boot system pressure rises to a certain value will be the minimum pressure valve top open, backward exhaust, so its role is to maintain the system pressure.
2. In addition, the oil separation tube has a tube with a normally open solenoid valve to the intake valve (actually the external atmosphere), the air compressor is loaded, the solenoid valve is turned off, when the oil is released, Drained, unloaded when the general into the 7 to 15 seconds that is deflated, you hear the sound of the solenoid valve deflated.
