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Compact HVAC controller

  • US 9,696,058 B2
  • Filed: 05/01/2014
  • Issued: 07/04/2017
  • Est. Priority Date: 04/30/2013
  • Status: Active Grant
First Claim
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1. An HVAC controller for controlling one or more HVAC components, the HVAC controller comprising:

  • a first sub-assembly comprising;

    a first housing;

    a first printed circuit board having a controller for providing one or more signals, the first printed circuit board secured relative to the first housing;

    a second sub-assembly configured to releasably engage the first sub-assembly, the second sub-assembly comprising;

    a second housing;

    a second printed circuit board secured relative to the second housing, the second printed circuit board having circuitry configured to receive the one or more signals from the first printed circuit board when the first sub-assembly is releasably engaged with the second sub-assembly and to provide one or more control signals to control one or more HVAC components;

    the first printed circuit board having a first side facing the second printed circuit board and a second side facing away from the second printed circuit board when the first sub-assembly is releasably engaged with the second sub-assembly;

    wherein the first housing includes a cover that extends adjacent the second side of the first printed circuit board and a back that extends adjacent the first side of the first printed circuit board, wherein the back includes an aperture for accommodating an inter-board connector that carries the one or more signals from the first printed circuit board to the second printed circuit board;

    the second printed circuit board having a first side facing the first printed circuit board and a second side facing away from the first printed circuit board when the first sub-assembly is releasably engaged with the second sub-assembly;

    wherein the first side of the first printed circuit board is spaced from the first side of the second printed circuit board by a spacing when the first sub-assembly is releasably engaged with the second sub-assembly; and

    the first printed circuit board having a first component mounted to the first side of the first printed circuit board that extends a first distance toward the first side of the second printed circuit board and does not engage the second printed circuit board and does not engage any component extending from the second printed circuit board when the first sub-assembly is releasably engaged with the second sub-assembly, and the second printed circuit board having a second component mounted to the first side of the second printed circuit board that extends a second distance toward the first side of the first printed circuit board and does not engage the first printed circuit board and does not engage any a component extending from the first printed circuit board when the first sub-assembly is releasably engaged with the second sub-assembly, the first distance plus the second distance being greater than the spacing, and wherein the component mounted to the first side of the first printed circuit board is laterally offset relative to the component mounted to the first side of the second printed circuit board.

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