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Load Control System Having An Energy Savings Mode

  • US 20110031806A1
  • Filed: 07/28/2010
  • Published: 02/10/2011
  • Est. Priority Date: 07/30/2009
  • Status: Active Grant
First Claim
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1. A load control system for a building having a lighting load located in a space of the building, a heating and cooling system, and a window located in the space of the building, the load control system responsive to a demand response command, the load control system comprising:

  • a lighting control device for controlling the amount of power delivered to the lighting load, the lighting control device operable to decrease the amount of power delivered to the lighting load in response to the demand response command so as to decrease the power consumption of the lighting load;

    a daylight control device for controlling the amount of natural light to be admitted through the window, the daylight control device operable to decrease the amount of natural light admitted through the window in response to the demand response command so as to decrease the power consumption of the heating and cooling system; and

    a temperature control device for controlling a setpoint temperature of the heating and cooling system to thus control a present temperature in the building, the temperature control device operable to adjust the setpoint temperature of the heating and cooling system in response to the demand response command so as to decrease the power consumption of the heating and cooling system.

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