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Refrigeration unit and diagnostic method therefor

  • US 20070277538A1
  • Filed: 05/30/2006
  • Published: 12/06/2007
  • Est. Priority Date: 05/30/2006
  • Status: Active Grant
First Claim
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1. A refrigeration unit comprising:

  • a housing including an insulated cavity configured to store food and beverages;

    a vapor cycle system disposed in the housing, the vapor cycle system operative to cool the food and beverages in the insulated cavity;

    a plurality of sensors disposed in the housing, the plurality of sensors in communication with the vapor cycle system and outputting data relative to the vapor cycle system; and

    a controller, according to the data from the plurality of sensors, determining an occurrence of an event and outputting control signals to the vapor cycle system, and wherein the controller logs the data to a data structure according to a first data-logging mode, and to the data structure according to a second data-logging mode upon occurrence of the event.

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