What Are Variable-Displacement Compressors?

What Are Variable-Displacement Compressors?

Being able to control the displacement of refrigerant brings a number of benefits.

Fixed-displacement compressors have been the industry standard for compressors. 

However, in recent years, we’ve seen steady growth in the use of variable-displacement compressors. 

Unlike a fixed-displacement unit, a variable-displacement compressor will change the angle of the swash plate to control the amount of refrigerant being discharged. This is determined by an electronic control unit, or ECU, that sends a signal to a switch in the compressor based on the engine and driving conditions. Depending on the output needs of the A/C system, the compressor will adjust the displacement accordingly.

For more, watch this Counterman Education Center video, sponsored by The Pronto Network.   

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