Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes a reversible valve having an outlet configured to direct refrigerant to a reheat heat exchanger of the HVAC system. The reversible valve is further configured to be in a first configuration to direct the refrigerant through a refrigerant circuit in a first flow direction in a heating mode of the HVAC system and to be in a second configuration to direct the refrigerant through the refrigerant circuit in a second flow direction in a cooling mode of the HVAC system.

Abstract: A heating, ventilating, and air conditioning (HVAC) system includes a refrigerant loop having a compressor, where the compressor is configured to circulate a refrigerant through the refrigerant loop, a first heat exchanger disposed along the refrigerant loop, where the first heat exchanger is configured to place the refrigerant in a first heat exchange relationship with a working fluid, and an air handling unit having a second heat exchanger, where the second heat exchanger is configured to place the working fluid in a second heat exchange relationship with an airflow, and where the air handling unit is isolated from the first heat exchanger to reduce or eliminate mixing of refrigerant with the airflow.

Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes a refrigerant circuit configured to circulate a refrigerant to condition an air flow within an air flow conduit and a reheat system fluidly separate from the refrigerant circuit, wherein the reheat system is configured to utilize a waste fluid from a waste heat source to reheat the air flow conditioned by the refrigerant circuit.

Abstract: Systems and methods are disclosed that operate a door latch of a door of a heating, ventilation, and/or air conditioning (HVAC) system electronically based on operating a locking engagement device. The locking engagement device may be disposed on an outer portion of a door, the latch may be part of a latching system disposed on an inner portion of the door, and the locking engagement device may transmit a signal indicating that the locking engagement device is in an open or closed position to the latching system via a conductor electronically coupling the locking engagement device and the latching system. In some embodiments, the locking engagement device may transmit a signal indicating that the locking engagement device is in an open or closed position to a controller, which may then instruct the latching system to open or close the latch based on receiving the signal.

Abstract: A heating, ventilating, and air conditioning (HVAC) system includes a refrigerant loop having a compressor, where the compressor is configured to circulate a refrigerant through the refrigerant loop, a first heat exchanger disposed along the refrigerant loop, where the first heat exchanger is configured to place the refrigerant in a first heat exchange relationship with a working fluid, and an air handling unit having a second heat exchanger, where the second heat exchanger is configured to place the working fluid in a second heat exchange relationship with an airflow, and where the air handling unit is isolated from the first heat exchanger to reduce or eliminate mixing of refrigerant with the airflow.

Abstract: Systems and methods are disclosed that operate a door latch of a door of a heating, ventilation, and/or air conditioning (HVAC) system electronically based on operating a locking engagement device. The locking engagement device may be disposed on an outer portion of a door, the latch may be part of a latching system disposed on an inner portion of the door, and the locking engagement device may transmit a signal indicating that the locking engagement device is in an open or closed position to the latching system via a conductor electronically coupling the locking engagement device and the latching system. In some embodiments, the locking engagement device may transmit a signal indicating that the locking engagement device is in an open or closed position to a controller, which may then instruct the latching system to open or close the latch based on receiving the signal.

Abstract: A control unit is communicatively coupled to multiple variable frequency drives. The control unit includes a controller, and each variable frequency drive may have a respective controller. The controller of the control unit may be communicatively coupled to each variable frequency drive controller and manage and/or configure the multiple variable frequency drives by sending instructions and/or receiving information from the variable frequency drive controllers. In some embodiments, the control unit may be implemented as a part of a mobile computing device, such that the controller may wirelessly and communicatively couple to each variable frequency drive controller. In this manner, managing or changing settings and/or control parameters of multiple variable frequency drives may be performed via a single control unit, avoiding the tedious, repetitive, and inefficient process of using multiple control units.

Abstract: An outdoor unit of a heating, ventilation, and/or air conditioning (HVAC) system includes a cabinet defining a cabinet interior of the outdoor unit and separating the cabinet interior from an external environment surrounding the outdoor unit. The outdoor unit also includes an interface between the cabinet interior and the external environment and configured to enable an air flow between the cabinet interior and the external environment. The outdoor unit also includes a plastic guard disposed over the interface.

Abstract: A heating, ventilating, and air conditioning (HVAC) system includes a refrigerant loop having a compressor, where the compressor is configured to circulate a refrigerant through the refrigerant loop, a first heat exchanger disposed along the refrigerant loop, where the first heat exchanger is configured to place the refrigerant in a first heat exchange relationship with a working fluid, and an air handling unit having a second heat exchanger, where the second heat exchanger is configured to place the working fluid in a second heat exchange relationship with an airflow, and where the air handling unit is isolated from the first heat exchanger to reduce or eliminate mixing of refrigerant with the airflow.

Abstract: A desuperheater of a heating, ventilation, and/or air conditioning (HVAC) system includes a first conduit defining a first fluid flow path configured to receive a refrigerant, and a second conduit defining a second fluid flow path and configured to facilitate heat transfer between the first fluid flow path and the second fluid flow path. The desuperheater also includes an inlet of the second conduit configured to receive collected water into the second fluid flow path. The desuperheater also includes a ventilation hole disposed in the second conduit and configured to vent water vapor from the second fluid flow path.

Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes a refrigerant circuit configured to circulate a refrigerant to condition an air flow within an air flow conduit and a reheat system fluidly separate from the refrigerant circuit, wherein the reheat system is configured to utilize a waste fluid from a waste heat source to reheat the air flow conditioned by the refrigerant circuit.

Abstract: A working fluid distribution system for a heating, ventilation, and/or air conditioning (HVAC) system includes a distributor tube composed of a flexible material and configured to supply a working fluid to a component of an HVAC circuit of the HVAC system. The fluid distribution system includes an actuator coupled to the distributor tube and configured to be actuated to adjust a geometry of the distributor tube. Additionally, the fluid distribution system includes a controller configured to instruct the actuator to adjust the geometry of the distributor tube based on an operating condition.

Abstract: An outdoor unit of a heating, ventilation, and/or air conditioning (HVAC) system includes a cabinet defining a cabinet interior of the outdoor unit and separating the cabinet interior from an external environment surrounding the outdoor unit. The outdoor unit also includes an interface between the cabinet interior and the external environment and configured to enable an air flow between the cabinet interior and the external environment. The outdoor unit also includes a plastic guard disposed over the interface.

Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes a reversible valve having an outlet configured to direct refrigerant to a reheat heat exchanger of the HVAC system. The reversible valve is further configured to be in a first configuration to direct the refrigerant through a refrigerant circuit in a first flow direction in a heating mode of the HVAC system and to be in a second configuration to direct the refrigerant through the refrigerant circuit in a second flow direction in a cooling mode of the HVAC system.

Abstract: A heat exchanger that includes a plurality of conduits that transmit a refrigerant therethrough. A valve that actuates to fluidly couple a first set of conduits of the plurality of conduits in a first setting and fluidly couple a second set of conduits of the plurality of conduits in a second setting.

Abstract: A desuperheater of a heating, ventilation, and/or air conditioning (HVAC) system includes a first conduit defining a first fluid flow path configured to receive a refrigerant, and a second conduit defining a second fluid flow path and configured to facilitate heat transfer between the first fluid flow path and the second fluid flow path. The desuperheater also includes an inlet of the second conduit configured to receive collected water into the second fluid flow path. The desuperheater also includes a ventilation hole disposed in the second conduit and configured to vent water vapor from the second fluid flow path.

Abstract: Systems and methods are disclosed that operate a door latch of a door of a heating, ventilation, and/or air conditioning (HVAC) system electronically based on operating a locking engagement device. The locking engagement device may be disposed on an outer portion of a door, the latch may be part of a latching system disposed on an inner portion of the door, and the locking engagement device may transmit a signal indicating that the locking engagement device is in an open or closed position to the latching system via a conductor electronically coupling the locking engagement device and the latching system. In some embodiments, the locking engagement device may transmit a signal indicating that the locking engagement device is in an open or closed position to a controller, which may then instruct the latching system to open or close the latch based on receiving the signal.

Abstract: A control unit is communicatively coupled to multiple variable frequency drives. The control unit includes a controller, and each variable frequency drive may have a respective controller. The controller of the control unit may be communicatively coupled to each variable frequency drive controller and manage and/or configure the multiple variable frequency drives by sending instructions and/or receiving information from the variable frequency drive controllers. In some embodiments, the control unit may be implemented as a part of a mobile computing device, such that the controller may wirelessly and communicatively couple to each variable frequency drive controller. In this manner, managing or changing settings and/or control parameters of multiple variable frequency drives may be performed via a single control unit, avoiding the tedious, repetitive, and inefficient process of using multiple control units.

Abstract: A multiple circuit refrigerant system includes a first refrigerant circuit having a first condenser and a first compressor. The first compressor is an intermediate discharge valve (IDV) compressor. The multiple circuit refrigerant system also includes a second refrigerant circuit having a second condenser and a second compressor. The second condenser is disposed downstream of the first condenser relative to an air flow directed across the first condenser and the second condenser.

Abstract: A working fluid distribution system for a heating, ventilation, and/or air conditioning (HVAC) system includes a distributor tube composed of a flexible material and configured to supply a working fluid to a component of an HVAC circuit of the HVAC system. The fluid distribution system includes an actuator coupled to the distributor tube and configured to be actuated to adjust a geometry of the distributor tube. Additionally, the fluid distribution system includes a controller configured to instruct the actuator to adjust the geometry of the distributor tube based on an operating condition.