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The pressure switch of the compressor sets the working pressure too low

Author:HU Date:2019/3/15 18:31:28
The pressure switch of the compressor sets the working pressure too low, and the upper pressure limit should be adjusted upwards.
When commissioning the compressor factory, adjust to the specified pressure according to customer needs, and then set a pressure difference. For example, the compressor starts to start and draws air to the gas storage tank. When the pressure is 10kg, the compressor stops or unloads. When the pressure reaches 7kg, the compressor starts to start again. There is a pressure difference between the two. This process can make the compressor Take a break to protect the compressor.
 
Different compressor switches have different adjustment methods. One is that the differential pressure is fixed by the switch itself, and only the automatic stop pressure and the highest pressure are adjusted. This kind of rotary knob with two flat-blade screwdrivers on the switch, the two knobs must be adjusted consistently, otherwise they will stop together, stop and start, and burn out the electrical appliances.
 
The other is a starting pressure (low pressure), a shutdown pressure, (high pressure).
 
Compressor pressure adjustment: Turn the pressure adjustment screw clockwise to increase the closing and opening pressure synchronization.
 
Turn the pressure adjustment screw counterclockwise to reduce the closing and opening pressure synchronization.
 
Compressor differential pressure adjustment: Rotate the differential pressure adjustment screw clockwise, the closing pressure is constant, and the opening pressure is increased.
 
Turn the differential pressure adjustment screw counterclockwise to keep the closing pressure constant and the opening pressure to decrease.
 
If the pressure switch of the compressor fails, the working pressure error is caused. It is necessary to overhaul the pressure switch, and if it cannot be repaired, replace it with a new one.

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