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Use of unit coolers & air cooled condensers with less-than-claimed nominal performance.

Author(s) : MERLO U.

Type of article: Article

Summary

Using equipment (unit cooler or air cooled condenser) with output lower than declared in its catalogue will alter the functional conditions of the refrigeration plant in which it is installed. In such cases, the refrigeration plant reaches a state of balance on the evaporation and condensation temperatures, respectively lower and higher. In this anomalous condition, the compressor has to operate for longer and with lower COP in order to guarantee the designed temperature of the room (cold reservoir). Two operational cases are analysed in this article: one is a room at low temperature, the other at high temperature. Operating costs are calculated in both cases for certified equipmenl and 'non-certified' equipment having less than the performance claimed in the catalogue.

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Pages: C21-C24

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Details

  • Original title: Use of unit coolers & air cooled condensers with less-than-claimed nominal performance.
  • Record ID : 30012334
  • Languages: English
  • Subject: General information
  • Source: Air Conditioning and Refrigeration Journal, Cold Chain - vol. 5 - n. 2
  • Publication date: 2014/07

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