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Compressor diagnostic system

  • US 7,980,085 B2
  • Filed: 01/06/2010
  • Issued: 07/19/2011
  • Est. Priority Date: 03/27/2001
  • Status: Expired due to Fees
First Claim
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1. A system comprising logic circuitry in communication with an intelligent device, said logic circuitry processing at least one of a status of a motor protector, a current drawn by a compressor of a refrigeration system, and a demand signal as function of time, at least one of said logic circuitry and said intelligent device diagnosing a specific fault cause of said compressor based on said processing and based on an average ON time of said compressor, said intelligent device outputting said diagnosis.

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