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Time based cooling below set point temperature

  • US 4,850,198 A
  • Filed: 01/17/1989
  • Issued: 07/25/1989
  • Est. Priority Date: 01/17/1989
  • Status: Expired due to Term
First Claim
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1. A method of controlling a cooling apparatus comprising the steps of:

  • sensing a zone temperature of a comfort zone;

    energizing a refrigeration compressor to affect cooling of said zone when said zone temperature is generally above a set point temperature;

    de-energizing said compressor when said zone temperature drops generally below a first predetermined temperature limit; and

    relying on a timer in re-energizing said compressor to affect further cooling of said zone for a first predetermined on-period when said zone temperature remains below said set point temperature and above a second predetermined temperature limit for a first predetermined off-period.

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