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    Selective zone air condition setpoint mode interface systems and methods
    21.
    发明授权
    Selective zone air condition setpoint mode interface systems and methods 有权

    公开(公告)号：US11268727B2

    公开(公告)日：2022-03-08

    申请号：US16369986

    申请日：2019-03-29

    Applicant: Johnson Controls Technology Company

    Inventor： John W. Uerkvitz ,  Jonathan A. Burns ,  Theresa N. Gillette

    IPC: F24F11/50 ,  F24F11/65 ,  F24F11/74 ,  F24F11/46 ,  F24F110/10

    Abstract: A control system of a heat, ventilation, and air conditioning (HVAC) system. In some embodiments, the HVAC system includes an electronic display configured to concurrently display a plurality of zone icons that indicate a current setpoint mode corresponding to a plurality of building zones, wherein the current setpoint mode comprises a home setpoint mode and an away setpoint mode. Additionally, the HVAC system may include a control circuitry communicatively coupled to the electronic display. The control circuitry may be configured to toggle the current setpoint mode associated with the plurality of building zones between the home setpoint mode and the away setpoint mode based on a received user input. Further, the control circuitry may be configured to control operation of the HVAC system based on the current setpoint mode associated with each building zone of the plurality of building zones.

    HVAC REFRIGERANT CHARGING AND RELIEVING SYSTEMS AND METHODS
    25.
    发明申请
    HVAC REFRIGERANT CHARGING AND RELIEVING SYSTEMS AND METHODS 审中-公开

    公开(公告)号：US20200003467A1

    公开(公告)日：2020-01-02

    申请号：US16044317

    申请日：2018-07-24

    Applicant: Johnson Controls Technology Company

    Inventor： Aneek M. Noor ,  Jedidiah O. Bentz ,  Shaun B. Atchison ,  John W. Uerkvitz ,  Drew H. Carlton

    IPC: F25B45/00 ,  F25B41/04

    Abstract: A heating, ventilation, and air conditioning system may include a refrigerant loop to circulate refrigerant, a first valve, a second valve, a sensor to measure parameters of the refrigerant, a refrigerant tank fluidly coupled to the refrigerant loop via the valves, and control circuitry communicatively coupled to the sensor, the first valve, and the second valve. The control circuitry may determine environmental conditions and detect whether an undercharge or overcharge condition is present in the refrigerant loop based at least in part on the environmental conditions and the measured parameters. The control circuitry may also instruct the first valve to open when the undercharge condition is detected to facilitate flowing refrigerant from the refrigerant tank into the refrigerant loop and instruct the second valve to open when the overcharge condition is detected to facilitate flowing refrigerant from the refrigerant loop into the refrigerant tank.

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