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The refrigerant compressor compresses refrigerant to cool a device. The refrigeration system uses environmentally friendly chemicals to transfer heat and cold efficiently. The compressor is critical and can fail, requiring repair or replacement by a certified technician.
A refrigerant compressor is a component of a refrigerator designed to compress the refrigerant used to cool the refrigerator. Compressors are also found on other devices designed to be used for cooling. The refrigerant compressor is part of a closed system that keeps the refrigerant moving in a loop; in some systems, the system is continuously on to maintain a very stable temperature, while in others it can cycle on and off.
The way a refrigeration system works is actually pretty cool. It starts with a refrigerant, a fluid with some unique properties that allow it to transfer heat and cold very efficiently. Refrigerants are used in refrigerators, freezers and air conditioning systems and different chemicals are used. Historically, the chemicals used were hazardous to the environment, which was a problem when leaking or disposing of a refrigeration system. Today refrigerants are designated as environmentally friendly and special practices must be used to get rid of all refrigerant before a refrigeration system can be discarded.
In the compressor, a vaporized refrigerant is subjected to high pressure, which causes the vapor to return to a liquid state as its temperature rises. The refrigerant fluid, very hot at this point, moves through a series of condensing coils outside the device, which allow it to dissipate the heat. Then, the fluid hits an expansion valve. One side of the expansion valve has a lower pressure, which forces the refrigerant back to its vapor state. As the refrigerant evaporates within the system, it also extracts heat, causing the air inside the refrigerator to cool. The vapor moves through a series of coils until it hits the refrigerant compressor and the cycle starts all over again.
Every part of the refrigeration system is important, but the refrigerant compressor is especially critical. This is the part of the system that requires some form of energy to compress the vaporized refrigerant. When there is a power failure or a compressor problem, the entire system shuts down, allowing the temperature inside the refrigerator to rise. Compressors have to work very hard and can eventually fail.
In some cases, a failed refrigerant compressor can be repaired. In other cases, the compressor may need to be replaced. Both tasks must be performed by a technician certified to work on cooling systems.
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