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Control system for a refrigerated merchandiser

  • US 10,330,369 B2
  • Filed: 03/29/2018
  • Issued: 06/25/2019
  • Est. Priority Date: 06/12/2012
  • Status: Active Grant
First Claim
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1. A refrigerated merchandiser comprising:

  • a case defining a product display area and including an air outlet and an air passageway in fluid communication with the product display area via the outlet to direct an airflow into the product display area to condition product supported in the product display area;

    at least a portion of a refrigeration system including an evaporator disposed in the case within the air passageway to refrigerate the airflow, the evaporator having a coil with a hydrophobic coating, the refrigeration system further including a compressor in fluid communication with the evaporator; and

    a control system in communication with and programmed to control the evaporator within a predetermined evaporating temperature range to condition the product display area within a predetermined temperature range, the control system further programmed to selectively cycle the compressor between an on state and an off state at least once during a predetermined time period to avoid formation of frost on the coil while maintaining the product display area within the predetermined temperature range.

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