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Variable output heating and cooling control

  • US 7,293,718 B2
  • Filed: 03/15/2005
  • Issued: 11/13/2007
  • Est. Priority Date: 09/10/2001
  • Status: Expired due to Fees
First Claim
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1. A controller for a fluid conditioning system for the regulation of temperature in conjunction with a thermostat with outputs of ON and OFF signals;

  • comprising;

    the controller having a variable output control algorithm which maintains temperature control by operating the fluid conditioning system at a first conditioning rate when the thermostat signal is ON and there is a call for fluid conditioning, and operating the fluid conditioning system at a second conditioning rate, above zero, when the thermostat signal is OFF and there is no call for fluid conditioning.

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