SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam

A thermostatic expansion valve (TXV) is designed to:

Maintain a nearly constant evaporator superheat as load changes Maintain a constant discharge pressure regardless of ambient Keep the compressor crankcase at condenser pressure Equalize high- and low-side pressures during the off cycle only

Correct Answer:

Maintain a nearly constant evaporator superheat as load changes

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