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Method of operating a remotely-controlled switching device of an energy management system

  • US 8,981,601 B2
  • Filed: 05/23/2012
  • Issued: 03/17/2015
  • Est. Priority Date: 07/06/2011
  • Status: Active Grant
First Claim
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1. A method of operating a remotely-controlled switching device of an energy management system, the switching device being mounted in series on a local electrically powered circuit on which are also mounted in series a load and an electronic thermostat, the method including:

  • generating a first pulsed signal for controlling the switching device, the switching device opening and closing the circuit in response to the first signal, the circuit being opened to prevent the load from operating and being closed when operation of the load is allowed; and

    generating a second pulsed signal for controlling the switching device at least when the circuit is opened by the switching device in response to the first signal, the second signal causing the switching device to temporarily close the opened circuit at given intervals for keeping an internal circuitry of the electronic thermostat energized while still substantially preventing the load from operating.

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