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    HVAC SWITCHABLE COMMUNICATION BUS AND POWER BUS CONTROL BOARD SYSTEMS AND METHODS
    71.
    发明申请
    HVAC SWITCHABLE COMMUNICATION BUS AND POWER BUS CONTROL BOARD SYSTEMS AND METHODS 有权

    公开(公告)号：US20210172641A1

    公开(公告)日：2021-06-10

    申请号：US17181972

    申请日：2021-02-22

    Applicant: Johnson Controls Technology Company

    Inventor： Shaun B. Atchison ,  Brian D. Rigg

    IPC: F24F11/63 ,  G05B15/02

    Abstract: The present disclosure includes a control board including a switchable input/output port. The switchable I/O port may provide a switchable communication bus capable of selectively supporting one of multiple different communication protocols and may provide a switchable power bus capable of selectively conducting electrical power from one of multiple different power supplies. As such, the control board may communicatively and/or electrically couple to a wide range of devices. To that end, the control board may support the dynamic interchange and reconfiguration of devices coupled to the control board, allowing a control system including the control board greater operational flexibility.

    HVAC zone schedule management systems and methods
    74.
    发明授权
    HVAC zone schedule management systems and methods 有权

    公开(公告)号：US10830479B2

    公开(公告)日：2020-11-10

    申请号：US15991965

    申请日：2018-05-29

    Applicant: Johnson Controls Technology Company

    Inventor： Shaun B. Atchison ,  Theresa N. Gillette

    IPC: F24F11/59 ,  F24F11/61 ,  F24F11/54 ,  F24F120/20 ,  F24F110/10 ,  F24F11/523

    Abstract: The present disclosure includes a heating, ventilation, and air conditioning (HVAC) system having a control system suitable to control operation of a device in the HVAC system. The control system may include a zone control panel that may maintain an instance of each schedule used by one or more devices in the HVAC system to operate. Further, the zone control panel may include a set of one or more status flags, which may each indicate whether data associated with a respective flag is available to be retrieved. Accordingly, the zone control panel may communicate information, such as an update to a schedule, rapidly between devices in the HVAC system.

    Fault condition management for heating, ventilation, and air conditioning (HVAC) systems
    75.
    发明授权
    Fault condition management for heating, ventilation, and air conditioning (HVAC) systems 有权

    公开(公告)号：US10788231B2

    公开(公告)日：2020-09-29

    申请号：US15920728

    申请日：2018-03-14

    Applicant: Johnson Controls Technology Company

    Inventor： Shaun B. Atchison ,  Noel A. Grajeda-Trevizo

    IPC: F24F11/38 ,  F24F11/52 ,  F24F11/56 ,  G05B15/02 ,  F24F11/65 ,  F24F11/88 ,  F24F11/64

    Abstract: Presently disclosed is a fault condition management system of a heating, ventilation, and air conditioning (HVAC) system. The system includes a controller having a user interface with a display and a lockout status indicator. The controller is configured to determine that the HVAC system is in a plurality of fault conditions and to individually present, on the display of the user interface, a respective fault code corresponding to each respective fault condition of the plurality of fault conditions in a repeating loop. Each respective fault code is presented for a fault code presentation duration followed by a rest duration. The controller is configured to control illumination of the lockout status indicator during the fault code presentation duration of each respective fault code to indicate a respective lockout status of the corresponding respective fault condition.

    HVAC REFRIGERANT CHARGING AND RELIEVING SYSTEMS AND METHODS
    79.
    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.

    CONTROL BOARD SYSTEMS AND METHODS FOR DIAGNOSIS OF HVAC COMPONENTS
    80.
    发明申请
    CONTROL BOARD SYSTEMS AND METHODS FOR DIAGNOSIS OF HVAC COMPONENTS 审中-公开

    公开(公告)号：US20190353392A1

    公开(公告)日：2019-11-21

    申请号：US15991985

    申请日：2018-05-29

    Applicant: Johnson Controls Technology Company

    Inventor： Shaun B. Atchison

    IPC: F24F13/14 ,  F24F11/56 ,  G01K15/00 ,  F24F11/80 ,  F24F11/63 ,  G01K13/02 ,  G06F3/0482 ,  G06F3/0487

    Abstract: The present disclosure includes an HVAC system that includes a plurality of dampers each corresponding to one building zone of a plurality of building zones, a plurality of sensors each corresponding to the one of the plurality of building zones, and a control board communicatively coupled with the plurality of dampers and sensors. The control board includes a plurality of status light sources, each corresponding to one damper the plurality of dampers, a plurality of communication light sources each corresponding to one sensor of the plurality of sensors, and a microcontroller programmed to control operation of equipment in the HVAC system. The microcontroller is configured to perform “a hardware test mode” to facilitate diagnosis of the plurality of dampers by causing the plurality of status light sources to sequentially execute a first light scheme or a second light scheme in response to instructions to the plurality of dampers.

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