A REFRIGERATOR HAVING A COMPARTMENT 9 COMPRISING A COLD ACCUMULATION MATERIAL 35, A REFRIGERATION APPARATUS 23 FOR COOLING SUCH A COMPARTMENT AND THE COLD ACCUMULATION MATERIAL; A MEANS 39 FOR COOLING SUCH A COMPARTMENT THROUGH THERMAL TRANSFER BETWEEN SUCH A COMPARTMENT AND SAID COLD ACCUMULATION MATERIAL, A LOAD SENSOR FOR MEASURING THE IMPORTANCE OF A COOLANT LOAD, A CLOCK METER FOR FORMING DATA TIME, AND A CONTROL MEANS FOR OPERATING SAID REFRIGERATOR ACCORDING TO THE FIRST, SECOND AND THIRD OPERATING MODE.
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