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Apparatus and Methods for Power Stealing by Controllers

  • US 20160018836A1
  • Filed: 11/10/2014
  • Published: 01/21/2016
  • Est. Priority Date: 07/17/2014
  • Status: Active Grant
First Claim
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1. A controller for use in a climate control system, the controller comprising:

  • a power stealing circuit connectible with a control of the climate control system and configured for stealing power from a power source via a signal through the control; and

    an overcurrent limiting circuit configured to limit a first portion of the signal to prevent a false call for operation of the control;

    the overcurrent limiting circuit further configured not to limit a second portion of the signal to prevent a false call, where the control is configured to recognize only the first portion as determinative of whether the signal is a call for operation.

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