FIELD: refrigerating engineering. SUBSTANCE: device working at supercritical pressure on delivery side contains compressor 10, gas cooler 11, inner heat exchanger 12, throttle valve 13, evaporator 14, low-pressure cooling agent receiver; device is also provided with unit 5 for determination of at least one mode of operation, preferably determination of parameter presenting temperature of cooling agent near outlet of gas cooler 11. EFFECT: enhanced efficiency. 9 cl, 3 dwg
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