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A NEW MULTI-COMPRESSOR REFRIGERATING UNIT FOR SUPERMARKETS.

[In Japanese. / En japonais.]

Author(s) : KAWANISHI Y.

Type of article: Article

Summary

THE NEW MULTI-COMPRESSOR UNIT IS VARIABLE IN CAPACITY AND SINCE IT COMPRISES THREE DIFFERENT COMPRESSOR OUTPUTS, IT CAN PROVIDE AN 8-STAGE CAPACITY CHANGE. THE COMPRESSORS ARE ELECTRONICALLY CONTROLLED AND WHEN THE REFRIGERATED DISPLAY CABINET LOAD VARIES THE RISE OR DROP IN THE SUCTION PRESSURE IS DETECTED BY A SENSOR AND PASSED TO THE CONTROLLER WHICH DECIDES IF THE CAPACITY IS TOO LARGE OR SMALL, HENCE MONITORING THE WORKING COMPRESSORS. OTHER FEATURES ARE: SUCTION PRESSURE CONTROL ; OPERATING CYCLE CONTROL ; PREVENTION FROM SHORT CYCLING ; COMPRESSORCONTROL CORRESPONDING TO HOT GAS OR ELECTRICAL DEFROSTING ; DIGITAL INDICATOR (SUCTION PRESSURE). AN ENERGY SAVING OF 20-30% IS POSSIBLE IN THE MULTI-UNIT AS COMPARED TO CONVENTIONAL SINGLE UNITS.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1985-2561
  • Languages: Japanese
  • Source: Refrigeration - vol. 59 - n. 683
  • Publication date: 1984
  • Document available for consultation in the library of the IIR headquarters only.

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