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Heating system controller, a heating system and a method of operating a heating system

  • US 9,261,282 B2
  • Filed: 09/10/2009
  • Issued: 02/16/2016
  • Est. Priority Date: 09/10/2009
  • Status: Active Grant
First Claim
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1. A controller for a heating system having a heat pump, electrical heating elements, a blower and a thermostat, said controller comprising:

  • a system interface configured to receive thermostat calls from said thermostat, said thermostat calls including a heat pump thermostat call and an electrical heating elements thermostat call; and

    a processor coupled to said system interface and configured to select a starting heat load for said heating system, by selectively energizing at least one of said heat pump, electrical heating elements and blowers, based on said thermostat calls and a selected target discharge air temperature for said heating system;

    wherein said target discharge air temperature is selected from a predefined list of target discharge air temperatures based on a system inlet air temperature.

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