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Fan coil thermostat with activity sensing

  • US 9,528,716 B2
  • Filed: 03/03/2015
  • Issued: 12/27/2016
  • Est. Priority Date: 08/03/2007
  • Status: Active Grant
First Claim
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1. A fan coil thermostat for use with a fan coil system, the fan coil thermostat comprising:

  • a controller without a programmable schedule, the controller implementing a control algorithm that is configured to at least partially control one or more components of the fan coil system, the control algorithm defaults to controlling to an unoccupied temperature setting;

    a timer controlled by the controller;

    a user interface comprising one or more temperature adjustment buttons for increasing or decreasing a user-chosen temperature setting, the user interface configured to provide a signal to the controller when one or more of the one or more temperature adjustment buttons are operated by a user, the signal providing the controller with the user-chosen temperature setting and also providing the controller with an indication of current occupancy; and

    wherein, in response to the indication of current occupancy, the controller temporarily controls to the user-chosen temperature setting rather than the unoccupied temperature setting and initiates the timer, the controller returning to controlling to the unoccupied temperature setting once the timer expires.

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