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Electronic refrigeration control system

  • US 5,623,836 A
  • Filed: 09/14/1995
  • Issued: 04/29/1997
  • Est. Priority Date: 09/14/1995
  • Status: Expired due to Fees
First Claim
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1. An electronic refrigeration and defrost temperature control system, comprising:

  • a defrost relay including a defrost power terminal and a defrost neutral terminal;

    a compressor relay including a compressor power terminal and compressor neutral terminal;

    a fan relay including a fan power terminal and a fan neutral terminal;

    a processor coupled to the defrost relay, the compressor relay, and the fan relay, the processor providing a defrost control signal to the fan relay, a compressor control signal to the compressor defrost relay, and a fan control signal to the fan relay in response to a software program including temperature and defrost control criteria; and

    a housing supporting the defrost relay, the compressor relay, the fan relay, and the processor, the housing having an external surface, wherein the defrost neutral terminal, the compressor neutral terminal, and the fan relay neutral terminal are arranged in a group on the external surface spaced apart from the defrost power terminal, the compressor power terminal, and the fan power terminals, and wherein the defrost power terminal, the compressor power terminal, and the fan power terminal are located on the external surface.

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