If the suction gas is not superheated, the compressor can be damaged. The compressor pulls the refrigerant out of the evaporator and pushes it though a condenser. The act of compression is performed by any one of the following six types of compressors: a reciprocating piston, rotary, scroll, screw, centrifugal, and sonic compressors. Of the six, the reciprocating and scroll compressors are the two most frequently found in a residential air conditioning system.
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