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Method and apparatus for attic fan power controller with remote control

  • US 9,182,138 B2
  • Filed: 07/15/2011
  • Issued: 11/10/2015
  • Est. Priority Date: 07/16/2010
  • Status: Active Grant
First Claim
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1. An apparatus for controlling an attic exhaust fan comprising:

  • a controller having a plurality of signal inputs, a plurality of power inputs, and a power output;

    a display unit in communication with said controller;

    a plurality of user-triggerable switches in communication with said controller; and

    a plurality of light indicators in communication with said controller, wherein a first one of said plurality of light indicators indicates a status of said attic exhaust fan,wherein the plurality of power inputs includes a first power input for connecting to a local solar array and a second power input for connecting to a local public utility AC power supply,wherein the controller is configured to operate the attic exhaust fan based on sensed input signals at the plurality of signal inputs,wherein the controller is configured to provide power to the power output from the first power input as a default if a predetermined amount of power for operating the attic exhaust fan is provided at the first power input and provide power to the power output from the second power input if a predetermined amount of power for operating the attic exhaust fan is not provided at the first power input,wherein when the controller operates the attic exhaust fan based on the sensed inputs;

    the controller is configured to operate the attic exhaust fan continuously when power is being provided from the first power input to the power output, andthe controller is configured to operate the attic exhaust fan for a predetermined duty cycle and for a total period not to exceed a predetermined duration when power is being provided from the second power input to the power output;

    further comprising a temperature sensor connected to said controller through a first one of said signal inputs and a humidity sensor connected to said controller through a second one of said signal inputs, at least one of said temperature sensor and said humidity sensor providing said sensed input signals.

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