What Does The Compressor Pressure Switch Do?

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Each air compressor designed to start and stop is fitted with a Switzer pressure switch. So, what is the pressurization function doing?

The air compressor is fitted with a pump. Usually, the pump is operated by an electric motor.

When the air compressor tank pressure drops –generally because you use the tank to do some work with compressed air–if the air compressor didn’t pump more air into the tank you would have a constant drop until… a) the air tool wouldn’t work b) no air would be left at all in the tank. Why is this not happening? This is why the energy turns!

In the simplest way the pressure switch in the compressor tank responds to heat.

There is a wired power supply to the switch. The other side of the switch is connected to the motor of the compressor.

With the pressure of the tank decreasing, it will gradually be decreased in the pressure setting of this pressure transfer, the switch will switch to allow fuel to be transferred through it, so power will enter the motor circuit, the engine starts, the pump begins and a new supply of compressed air will be pushed into the tank. The Switzer Pressure Switches are fitted with a high-pressure configuration.

As the tank pressure increases and the pump continues to pump air into the tank, the tank pressure slowly decreases to a high pressure level. The pressurization switch will then go off, the engine power will be cut and the engine and the pump stop.

Unless you have some sort of leakage in the system, the tank pressure is maintained at the pressure reduction setting until compressed air is used again.

When the compressed air is again used, the pressure in the tank starts to fall and when enough air is used, the tank pressure will be reduced and the cycle will continue.

It may be time to think about adjusting your pressure control when the air pressure changes.

The air compressor is made of two pressure-setting points. Definition: This is the cutting and cutting.

Those two pressure sets describe the pressure at which the air compressors activate and start producing pressure air, and when they stop and separate.

The compressor will stop at the cutting pressure and will start again when the pressure has fallen to the cuts.

It is obvious from the definition above that the pressure point cutting is lower than the pressure cutting. Pressure differential is the pressure range between the cut-outs and the cut-in lines.

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