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Fault detection and diagnostics for commercial coolers and freezers.

Author(s) : WICHMAN A., BRAUN J. E.

Type of article: Article

Summary

Most of the previous diagnostics research for vapour-compression equipment has been performed for packaged air conditioners and chillers. This paper describes application of a decoupling-based diagnostic technique that was originally developed for air conditioners to equipment used in walk-in coolers and freezers. Testing was performed on a small, restaurant-style walk-in cooler and a small walk-in freezer for faulted and unfaulted conditions. The data was then used to characterize how the fault features respond to faults and to evaluate the performance of the decoupling-based diagnostic technique.

Details

  • Original title: Fault detection and diagnostics for commercial coolers and freezers.
  • Record ID : 2010-0812
  • Languages: English
  • Source: HVAC&R Research - vol. 15 - n. 1
  • Publication date: 2009/01

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