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REFRIGERATION SYSTEM WITH SUPERHEATING, SUBCOOLING AND REFRIGERANT CHARGE LEVEL CONTROL
REFRIGERATION SYSTEM WITH SUPERHEATING, SUBCOOLING AND REFRIGERANT CHARGE LEVEL CONTROL
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机译:具有过热,结冰和制冷剂充注量控制的制冷系统
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摘要
The refrigeration system includes a compressor, a condenser, an evaporator, one or both of a receiver drier unit and an accumulator unit fluidly connected by refrigerant lines to form a refrigerant circuit. The receiver drier unit includes a receiver drier and a first sensor, and the accumulator unit includes an accumulator and a second sensor. A controller is electrically connected to the first and second sensors and in some cases electrically connected to an electrical valve. The electrical valve is fluidly connected to a refrigerant reservoir. The controller determines the refrigerant charge level, and selectively controls the electrical valve to allow the refrigerant to flow from the refrigerant reservoir to the refrigerant circuit when the refrigerant charge level is below the predetermined refrigerant charge level.
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