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Compressor diagnostic method

  • US 7,162,883 B2
  • Filed: 08/11/2005
  • Issued: 01/16/2007
  • Est. Priority Date: 03/27/2001
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • installing a compressor in a refrigeration system;

    generating first high-side signals indicative of high-side compressor operating conditions for a time period following installation of said compressor;

    generating first low-side signals indicative of low-side compressor operating conditions for said time period following installation of said compressor;

    generating a performance curve for said compressor based on said first high-side signals and said first low-side signals;

    generating second high-side signals indicative of high-side compressor operating conditions after said time period;

    generating second low-side signals indicative of low-side compressor operating conditions after said time period; and

    comparing said second high-side and said second low-side signals to said performance curve to determine a system operating condition.

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