Abstract: An intelligent door control system and method is provided. The intelligent door control method includes the following steps: receiving an ambient temperature inside and outside a door body of the intelligent door through a first sensor and a second sensor which are respectively installed inside and outside the door body of the intelligent door; comparing the ambient temperature inside the door with a preset first temperature threshold, and comparing the ambient temperature outside the door with a preset second temperature threshold; automatically controlling the intelligent door according to whether there is a living body inside the intelligent door, and comparison results of the ambient temperatures inside and outside the door body with the first and second temperature thresholds respectively.

Abstract: A rotor includes a rotor core including a magnet insertion hole and an opening and a permanent magnet inserted in the magnet insertion hole and forming a first magnetic pole. The rotor satisfies L1<L2, where L1 is a first maximum width of the opening in a direction perpendicular to a radial direction and L2 is a second maximum width of the opening in the radial direction. A distance from the opening to the magnet insertion hole is smallest at a magnetic pole center of the first magnetic pole.

Abstract: A refrigerated air conditioning unit partitioned into an inside plenum and an outside plenum and having a single refrigeration loop, a single evaporator, and a recirculated air stream, the unit also having a dynamic intelligent air management system (DIAMS) internal to the unit that is cooperatively configured and operable to continuously introduce preconditioned fresh air directly into the recirculated air stream whenever the unit is operating and to exercise control over a mixed air flow discharged from the unit into an identified space to achieve a desired air temperature and humidity within the identified space.

Abstract: An air conditioning apparatus uses a heat medium containing at least one of cold water and hot water. The air conditioning apparatus includes: a heat source device; a heat exchanger configured to exchange heat between the heat medium and air; a flow rate control valve configured to control a flow rate at which the heat medium is supplied to the heat exchanger; a temperature sensor configured to detect a temperature of the heat medium discharged from the heat exchanger; and a failure determination unit configured to detect presence or absence of an abnormality in a flow path of the heat medium based on the temperature detected by the temperature sensor and a commanded degree of opening for the flow rate control valve.

Abstract: A vehicle includes a power storage device, a charging device configured to be supplied with an electric power from a power supply unit external to the vehicle for charging the power storage device, and an electronic control unit configured to detect information on a maximum output power of the power supply unit. The electronic control unit is configured to execute a predetermined process associated with the charging the power storage device based on the maximum output power of the power supply unit which is indicated by the detected information.

Abstract: An HVAC system includes a reversing valve configured to receive refrigerant and direct the received refrigerant based on an operating mode of the HVAC system. The HVAC system includes first and second sensors. A sensor measures a heat-exchanger temperature associated with the outdoor heat exchanger. A controller monitors an outdoor temperature and the heat-exchanger temperature and compares these temperatures. The controller determines whether the HVAC system is intended to operate in a cooling or heating mode. If the heat-exchanger temperature is less than the outdoor temperature and the HVAC system is intended to operate in the cooling mode, the controller determines that a first reversing-valve fault is detected. The first reversing-valve fault is associated with the reversing valve being in the heating configuration when the HVAC system is intended to operate in the cooling mode.

Abstract: A thermal management system includes a heat rejection device configured to fluidly couple to a refrigeration system, a fan configured to provide an entering airflow across the heat rejection device to cool a flow of water within the heat rejection device, and a controller configured to control a speed of the fan based on at least two of (i) a relative humidity of the entering airflow, (ii) a percentage of capacity one or more components of the refrigeration system are operating at, (iii) a ratio of water to energy costs, and (iv) a ratio of a design power of a compressor of the refrigeration system to a design power of the fan to minimize a total utility operation cost of the thermal management system including (i) energy costs to operate the fan and the refrigeration system and (ii) water costs of the flow of water.

Abstract: Disclosed are a refrigerator diagnostic method and a refrigerator using an artificial intelligence algorithm (AI) and/or machine learning algorithm in a 5G environment connected for the Internet of things. The refrigerator diagnostic method may include determining an installation state of a refrigerator based on a power value of a compressor provided in the refrigerator and the number of revolutions of a cooling fan provided in the refrigerator, when an operating time after initial installation of the refrigerator is less than or equal to a particular value, and determining a malfunction and a cleaning state of the refrigerator based on the power value of the compressor and the number of revolutions of the cooling fan, when the operating time after initial installation of the refrigerator exceeds the particular value.

Abstract: A control system includes one or more sensors configured to generate sensor data relating to building equipment. The sensor data includes first sensor data collected during a first time period and second sensor data collected during a second time period. The control system also includes a controller configured to use the first sensor data to generate one or more first model coefficients for a model for the building equipment. The controller is also configured to use the second sensor data to generate one or more second model coefficients for the model, generate a test statistic by comparing the one or more first model coefficients and the one or more second model coefficients, compare the test statistic with a value, and automatically identify a change relating to the building equipment in response to the test statistic exceeding the value.

Abstract: Embodiments of the present invention are directed to a method and system for preventing ingestion of ambient air contaminated with possibly harmful, toxic, or flammable battery gases into a passenger compartment of a vehicle in the event of a battery failure. If an abnormal state is detected in a battery pack of the vehicle, the vehicle automatically switches the HVAC system to air recirculation mode, thereby preventing any toxic gas emitted from the battery pack from entering the passenger compartment.

Abstract: An HVAC system includes an evaporator, a first sensor coupled to the evaporator at a first position, and a second sensor operably coupled to the evaporator at a second position. The first sensor monitors a first temperature of the refrigerant flowing in the evaporator at the first position, which is adjacent to the evaporator inlet. The second sensor monitors a second temperature of the refrigerant flowing in the evaporator at the second position, which is downstream from the first position. The system includes a controller, which receives a first signal corresponding to the first temperature and a second signal corresponding to the second temperature. The controller determines, based on the received signals, a temperature difference between the second temperature and the first temperature. In response to determining that the temperature difference is greater than a predefined threshold value, the controller determines that a loss of charge has occurred.

Abstract: A control system for a heating, ventilation, and/or air conditioning (HVAC) system includes a controller. The controller is configured to control the HVAC system to condition an air flow based on first feedback from a first sensor of the HVAC system, receive second feedback from a second sensor of the HVAC system, and control the HVAC system to condition the air flow based on the second feedback instead of the first feedback when the first feedback from the first sensor being no longer available. The first feedback is indicative of a first operating parameter of the HVAC system, and the second feedback is indicative of a second operating parameter of a refrigerant flowing through the HVAC system.

Abstract: A bottle with sensors for probing and optimizing bottling line performance is disclosed. According to one embodiment a bottle, comprises an outer layer and a reservoir tube inside the outer layer that connects a reservoir inside the outer layer to a neck of the bottle. The bottle has a battery inside the outer layer and one or more sensors powered by the battery.

Abstract: A cargo-neutral climate control diagnostic system for a climate controlled mobile container includes a controller configured and disposed to be connected to one or more climate control components. The controller is configured and disposed to identify a cargo-neutral test opportunity and conduct a test to determine an operational state of the one or more climate control components of the climate controlled mobile cargo container while maintaining a desired environment.

Abstract: An air-conditioning apparatus includes a refrigerant circuit in which a compressor, a heat source heat exchanger, an expansion device, and a load heat exchanger are connected via refrigerant pipes; a refrigerant leakage sensor configured to output a refrigerant leakage detection signal indicating detection of refrigerant leakage when the refrigerant leakage sensor detects the refrigerant leakage; a refrigerant leakage cutoff device configured to cut off a flow of refrigerant when the refrigerant leakage cutoff device is set to a closed state; and a controller configured to determine whether refrigerant leakage occurs on the basis of an operating state and whether the refrigerant leakage detection signal is received from the refrigerant leakage sensor. When the controller receives the refrigerant leakage detection signal and determines, on the basis of the operating state, that the refrigerant leakage occurs, the controller is configured to set the refrigerant leakage cutoff device to the closed state.

Abstract: A chilling unit and a water circulation temperature control system includes a refrigerant circuit, a pipe through which a heat medium flows, a flow switching valve, a temperature sensor, a pressure sensor, and a controller. The refrigerant circuit includes a compressor, a pair of air-side heat exchangers, an expansion valve, and a heat-medium-side heat exchanger connected to each other by pipes. The flow switching valve switches between refrigerant-circulation routes. The controller controls the compressor in accordance with a target outlet temperature, the heat medium temperature detected by the temperature sensor, and a heat medium pressure difference detected by the pressure sensor. When a load on an air handler decreases to a low level and is equal to or less than the compressor's lowest capacity, the controller controls the flow switching valve so that one of the air-side heat exchangers and the heat-medium-side heat exchanger are connected in parallel.

Abstract: A system may receive an item identifier and a container identifier, the item identifier being, for example, encoded in a RFID tag affixed to a physical item and the container identifier being, for example, encoded in an RFID tag affixed to a container. The system may identify, on a blockchain, an item smart contract based on the item identifier and a container smart contract based on the container identifier. The item smart contract may include environmental compliance criteria for the physical item. The system may store, on the blockchain, a mapping between an item smart contract and the container smart contract. The system may receive environmental status information derived from sensor data generated by a sensor affixed to or in the container. The system may determine the environmental status information of the container does not satisfy the environmental compliance criteria included in the item smart contract.

Abstract: A system and method of retrofitting a heating, ventilation, air conditioning, and refrigeration system (HVACR) including one or more brazed, soldered, or mechanical connections between refrigerant lines is disclosed. The method includes removing a refrigerant from the HVACR system. The refrigerant that is removed is a non-flammable refrigerant. An enclosure is installed over the one or more brazed, soldered, or mechanical connections between refrigerant lines. A refrigerant is added to the HVACR system. The refrigerant being added has a global warming potential (GWP) that is relatively lower than the refrigerant removed from the HVACR system. The refrigerant being added has a relatively higher flammability than the refrigerant removed from the HVACR system.

Abstract: A refrigerant control system includes: a charge module configured to determine an amount of refrigerant that is present within a refrigeration system of a building; a leak module configured to diagnose that a leak is present in the refrigeration system based on the amount of refrigerant; and at least one module configured to take at least one remedial action in response to the diagnosis that the leak is present in the refrigeration system.

Abstract: A refrigerator appliance having Universal Serial Bus (USB) features is provided. In one aspect, a refrigerator appliance has a cabinet defining a chamber. At least two shelf mounting tracks are disposed within chamber. A shelf having a USB port is mountable to the shelf tracks. The shelf tracks each include at least two bus bars. One bus bar is charged with a power charge, one is charged with a ground charge, one is charged with a positive data charge, and one is charged with a negative data charge. When the shelf is mounted to the tracks, the bus bars are in electrical communication with the USB port of the shelf such that data transmissions can be routed between the USB port and a controller or some other processing device. In another aspect, a refrigerator appliance includes features for enabling USB data transmissions to a bin mounted in a door thereof.

Abstract: Systems and methods are provided and include an optical sensor configured to be disposed on a sight glass. The optical sensor is configured to generate signals based on a light reflectivity associated with a liquid of the refrigeration system. An optical sensor control module that includes a processor that is configured to execute instructions stored in a nontransitory memory, and the instructions include (i) generating a set of data based on the signals, and (ii) determining an amount of liquid of the refrigeration system based on the set of data.

Abstract: A control system automates control of reefer container resources in a reefer container system including a remote server computer in communication with reefer containers. Each reefer container includes a refrigeration system to control a climate of an interior cargo compartment of the reefer container. The refrigeration system includes a refrigeration circuit, including a compressor, a cooling space, and sensors to measure or estimate refrigeration system readings. The refrigeration system transmits refrigeration system parameter data; the remote server computer obtains the parameter data acquired during operation of the refrigeration system from at least one reefer container, and estimates a condition of the refrigeration system, including determining whether an alarm has been issued, or whether the estimated reefer container condition indicates that the refrigeration system requires maintenance or testing.

Abstract: The method and device of the present disclosure can determine energy or cost savings of a climate control system, such as can be attributed to a treatment that has been incorporated into a climate control system.

Abstract: A communication device, method, and computer program product provide higher confidence in person detection by augmenting sensing with carbon dioxide sensing and contextual information. The communication device determines a current carbon dioxide level in a space in which the communication device is located. A processor of the communication device compares the current carbon dioxide level to a carbon dioxide baseline threshold that is indicative of presence of a person in the space. In response to determining that the current carbon dioxide level is greater than the carbon dioxide baseline threshold, the processor further determines whether at least one target is sensed within the space. In response to determining that at least one target is sensed in the space, the processor infers the presence of a person in the space and sets a control mode of the communication device that correlates to the presence of the person.

Abstract: A refrigerant leak management system includes a return inlet assembly and a purge exhaust outlet assembly. The system also includes a sensor configured to detect refrigerant proximate an air handling enclosure of a HVAC unit. The system further includes a controller configured to control the system to drive air from a conditioned interior space of a building into an external environment via the purge exhaust outlet assembly when the sensor detects the refrigerant proximate the air handling enclosure by: actuating the return inlet assembly to close the return inlet assembly, actuating the purge exhaust outlet assembly to open the purge exhaust outlet assembly, and activating a reversible supply fan of the HVAC unit in a reverse direction.

Abstract: Methods and systems for leak detection in a fluid compression system using a purge system are disclosed herein. In an embodiment, a method for detecting leaks includes determining, during a period of vacuum, a purge exhaust rate of non-condensables from a purge system integrated with a chiller unit. The method includes determining a differential pressure, the differential pressure based on a vacuum side pressure of the chiller unit, where the vacuum side pressure includes at least one of a pressure of a condenser and pressure of an evaporator. The method includes calculating, via a controller, the purge exhaust rate and the differential pressure to identify a leak size based at least in part on the purge exhaust rate.

Abstract: A refrigeration system includes a plurality of utilization units provided for one air conditioning target space, a refrigerant leakage sensor that detects a leakage of the refrigerant in a lower part of the air conditioning target space, and a control unit. In a case where the refrigerant leakage sensor detects the refrigerant leakage, the control unit performs detection standby control on the utilization units such that the supply of the refrigerant to utilization-side heat exchangers is temporarily stopped. In a case where the refrigerant leakage is detected based on the state quantity of the refrigerant corresponding to the utilization units under the detection standby control, the control unit stops the use of the utilization unit in which the refrigerant leakage has been detected.

Abstract: An air conditioner includes an outdoor unit, a relay circuit which includes a contact and a relay coil, and a control unit which causes a first voltage equal to or higher than an operating voltage or a second voltage lower than the operating voltage and equal to or higher than a retention voltage to be applied to the relay coil. One end portion of the contact is connected to an alternating-current power supply and the other end portion of the contact is connected to the outdoor unit. One end portion of the relay coil is connected to a power supply for driving the relay circuit. The control unit causes a second voltage to be applied to the relay coil after the contact is turned ON, and causes the first voltage to be applied to the relay coil at a predetermined constant period.

Abstract: A system includes a control circuit and a computer. The control circuit includes a control circuit configured to receive data from at least one solar panel, convert the received data according to a communication protocol, and forward the converted data via the communication protocol. The computer includes software that, when executed by the computer, causes the computer to receive, via the communication protocol, the converted data, detect, based on the received converted data, a problem in the at least one solar panel, and output, to a display and based on the detected problem, a status of the at least one solar panel corresponding to a time at which the data was collected.

Abstract: A method of determining loss of refrigerant charge in a heating, ventilation, and air conditioning (HVAC) system. The method includes receiving, using a controller, a plurality of temperature values from a plurality of temperature sensors placed at multiple locations within the HVAC system and calculating, using the controller using the plurality of temperature values, a plurality of temperature-dependent values. The method further includes determining, using the controller, whether a first temperature-dependent value of the plurality of temperature-dependent values is above a first predetermined temperature value and responsive to a determination that the first temperature-dependent value is above the first predetermined temperature value, transmitting, using the controller to a user interface, a notification indicating that the HVAC system is operating with low refrigerant charge.

Abstract: A regulation method for an inverter compressor in a refrigeration system including establishing a working area via limit values for evaporation temperatures, condensation temperatures, compressor speeds, maximum compression ratio, and maximum superheat value, and measuring working values of the compressor in terms of evaporation temperature, condensation temperature, and compression ratio. If the compressor operates outside the established working area, the method includes modifying the working parameters of the compressor by acting on elements to be selected among the compressor speed, the opening angle of the expansion valve, and a combination thereof. If the compressor does not go back to the working area within a certain time, the method includes stopping operation of the compressor and triggering an alarm.

Abstract: A heating, ventilation, and air conditioning system includes a plurality of sensors including a first sensor configured to measure an outside air temperature of outside air, a second sensor configured to measure a return air temperature of return air, and a third sensor configured to measure a mixed air temperature of mixed air. The system also includes a controller communicatively coupled to the plurality of sensors. The controller is configured to determine that data from one of the plurality of sensors is unavailable and estimate the data from the one of the plurality of sensors based on data from other sensors of the plurality of sensors.

Abstract: An electromagnetic relay deicing system includes an electromagnetic relay that includes a common terminal, a normally open terminal, and a normally closed terminal and that supplies electric power from an electric power supplier to an electrical apparatus when the common terminal and the normally open terminal are connected, and a control circuit that controls an on-state and an off-state of the electromagnetic relay. During the on-state of the electromagnetic relay, the common terminal and the normally open terminal are connected by a movable piece. During the off-state of the electromagnetic relay, the common terminal and the normally closed terminal are connected by the movable piece. The control circuit deices the electromagnetic relay by causing, during the off-state of the electromagnetic relay, electric conduction between the common terminal and the normally closed terminal connected by the movable piece so that ice on a surface of the normally open terminal melts.

Abstract: An air-conditioning apparatus according to an embodiment of the present invention includes: a heating device configured to perform a heating operation by heating air inside a room and sending out the heated air; a floor temperature sensor configured to measure a floor temperature inside the room; a suction air temperature sensor configured to measure a suction air temperature that is a temperature of the air flowing into the heating device; and a controller configured to calculate a reference temperature from the floor temperature and the suction air temperature, and when determining that the reference temperature is lower than a start determination temperature designated in advance, cause the heating device to perform the heating operation.

Abstract: A refrigeration appliance includes a freezer compartment. An ice maker return duct fluidly couples an ice maker compartment and the freezer compartment. A pressure sensor is positioned within the freezer compartment and is configured to detect a pressure differential between the freezer compartment and an external environment. A fan is positioned within the ice maker return duct and is configured to be activated when the pressure within the freezer compartment is lower than the external environment.

Abstract: A system for maximizing the measured efficiency of an HVAC&R system may include the steps of (1) providing a plurality of operating parameters selected from the group consisting of condenser fan speed, evaporator fan speed, inlet solenoid valve position, outlet solenoid valve position, and compressor control to the air conditioner or the heat pump system wherein each of the plurality of operating parameters has a respective operating parameter value; (2) calculating an initial efficiency of the system using signals received from a plurality of components selected from the group consisting of a temperature sensor, a humidity sensor, a pressure sensor, a flow sensor, a voltage sensor, and a current sensor; and (3) proceeding, starting with a first of the plurality of operating parameters, to iteratively adjust values of each of the plurality of operating parameters and accept the new values only if the measured efficiency increases.

Abstract: Disclosed is a system of controlling an ice maker. The system includes: an ice making part producing ice; a water reservoir provided with a pump, and storing water supplied from outside and providing the water supplied from outside to the ice making part or draining the water outside; and a controller. In particular, when an accumulated number of ice making cycles of the ice making part reaches a predetermined number of ice making cycles, the controller drains the water stored in the water reservoir, and controls a drainage time during which the water is drained on the basis of the predetermined number of ice making cycles, such that the water stored in the water reservoir is drained.

Abstract: Disclosed is a system of controlling an ice maker. The system includes: an ice making part producing ice; an ice reservoir storing the ice; a water reservoir storing water supplied from outside and providing the water to the ice making part or draining the water; and a controller, when a full state of the ice reservoir is sensed after an ice separation process of separating the ice produced in the ice making part is completed, stopping operation of the ice making part and allowing a first drainage of the water stored in the water reservoir to a predetermined water level and a second drainage of the stored water for a predetermined additional drainage time. In particular, the controller controls the additional drainage time desired for the second drainage by comparing an actual drainage time desired for the first drainage with a preset normal time.

Abstract: A cooling device is capable of protecting an electronically controlled expansion valve in a main refrigerant circuit from the liquid hammer phenomenon due to high-pressure liquid refrigerant when cooling operation starts. The cooling device includes a main refrigerant circuit, a defrosting refrigerant circuit, and a controller. In the main refrigerant circuit, a compressor, a condenser, a main opening-closing valve, an expansion valve in which the flow rate of refrigerant is variable, and an evaporator are connected via refrigerant pipes. The defrosting refrigerant circuit connects the refrigerant outlet side of the compressor in the main refrigerant circuit and the refrigerant inlet side of the evaporator in the main refrigerant circuit to each other and includes a valve mechanism.

Abstract: A system includes a refrigerant compressor, an electric motor and configured to drive the refrigerant compressor, and a controller. The controller is configured to operate the compressor in a liquid clearing start mode where electrical current through the motor is prevented from exceeding a predetermined current limit for a period of time not to exceed a predetermined period of time, and is configured to operate the compressor in a run mode in response to determining the motor exceeds a predetermined speed threshold at or before expiration of the predetermined period of time, wherein the run mode does not prevent electrical current through the motor from exceeding said predetermined current limit.

Abstract: An inline acid detection apparatus for inhibition in an HVAC system including at least one line adapter, at least one passage adapter, and an inhibitor. The at least one line adapter is configured to mate with a refrigerant line on the HVAC system. The at least one passage adapter configured to couple to the second-diameter of the at least one line adapter. The at least one passage adapter allowing a process fluid to flow therethrough. The inhibitor is configured to stop the process fluid from passing through the inline acid detection apparatus. The inhibitor is actuated by a trigger mechanism. The trigger mechanism is configured to be actuated by an acid. The inline acid detection apparatus will shut down the HVAC system when the process fluid includes a threshold of the acid such that the trigger mechanism actuates the inhibitor.

Abstract: A refrigerant leak detection system for a heating, ventilation, and air conditioning (HVAC) system includes a vessel configured to receive an air sample. The refrigerant leak detection system includes a cooling device configured to cool the vessel and a liquid detection device configured to detect liquid in the vessel. The refrigerant leak detection system further includes an actuator configured to actuate a transfer mechanism to collect the air sample in the vessel.

Abstract: A vehicle air-conditioning apparatus includes a refrigeration cycle that performs air-conditioning in a vehicle interior of a vehicle; a controller that includes a plurality of operation modes with different continuous operation times for a compressor, and that selects one operation mode from among the plurality of operation modes according to an air-conditioning load in the vehicle interior and executes the one operation mode, during travel operation of the vehicle; a storage unit; and a fault diagnosis unit. The fault diagnosis unit performs, during travel operation of the vehicle, fault diagnosis for the refrigeration cycle, after the high-load operation mode from among the plurality of operation modes, in which the continuous operation time is equal to or longer than a time that is set in advance is selected and executed by the controller at the timing stored in advance in the storage unit and while the refrigeration cycle is stable.

Abstract: A household cooling appliance has an ice maker unit, a container for storing ice produced by the ice maker, a weight detection unit for capturing the weight of the ice in the container, and a display unit with a display field for displaying the weight of the ice made.

Abstract: Provided are systems and methods for cooling a power converter. For example, there is provided a controller programmed to control a heat transport rate between a coolant disposed in a cooling system and a power converter coupled thereto by regulating a pressure of the coolant in the cooling system.

Abstract: An inverter driver of an air conditioner drives an inverter of an actuator that actuates the air conditioner. The inverter driver includes a drive circuit outputting a drive signal to the inverter, a microcomputer controlling the drive circuit, a first mechanical relay connected to the drive circuit, and an inverter control power supply continually supplying power to the microcomputer. The first mechanical relay is capable of cutting off an inverter drive power supply of the drive circuit or cutting off the drive signal of the drive circuit. The first mechanical relay cuts off the inverter drive power supply of the drive circuit or the drive signal of the drive circuit when an abnormality in the air conditioner has been sensed and stopping the driving of the actuator has been requested.

Abstract: A method for determining system subcooling in a vapor compression system including a compressor, a condenser, an expansion device and an evaporator operatively connected in a serial relationship in a refrigerant flow circuit, the method including receiving information indicative of a compressor torque or compressor current; and determining a degree of system subcooling in response to the receiving of the information.

Abstract: The present disclosure relates to apparatuses and methods for weighing contents of a storage tank. One apparatus for weighing contents of a storage tank includes a load cell and a storage tank. The apparatus further includes a first plate removably attached to the storage tank. The apparatus additionally includes one or more compression springs disposed below and supporting the first plate. Still further, the apparatus includes a platform that includes a second plate, between the first plate and the storage tank, and one or more legs. The second plate engages the load cell. Each leg corresponds to one of the compression springs. Each leg extends from the second plate through a through-hole in the first plate and through a corresponding compression spring to a corresponding foot that supports the corresponding compression spring. The storage tank and the first plate are movable relative to the load cell and the platform.

Abstract: A configuration management system for a heating, ventilation, and air conditioning (HVAC) system includes a controller having a memory storing a baseline configuration of the HVAC system. The baseline configuration of the HVAC system indicates that the HVAC system is an air conditioning system or a heat pump system. Additionally, the controller is configured to determine a current configuration of the HVAC system based on detecting whether a reversing valve is present in the HVAC system. The current configuration of the HVAC system includes an air conditioning system configuration or a heat pump system configuration. The controller is also configured to perform a control action in response to determining that the current configuration is different than the baseline configuration.

Abstract: A system of maintaining consumable physical components of networking equipment includes a physical network operations controller, having a controller and an interconnected memory device, which is configured to communicate with at least one notification device and consumable physical components for networking equipment.