A computer-implemented method for anomaly detection in a data processing system comprising a processor and a memory comprising instructions which are executed by the processor. The method includes receiving a plurality of real-time airflow patterns acquired by a plurality of airflow alerters, wherein each real-time airflow pattern corresponds to a different airflow alerter; comparing each real-time airflow pattern with a predetermined airflow pattern, wherein each real-time airflow pattern corresponds to a different predetermined airflow pattern; when there is any real-time airflow pattern different from the corresponding predetermined airflow pattern, identifying a group of airflow alerters among the plurality of airflow alerters, wherein a real-time airflow pattern of each airflow alerter in the group is different from the corresponding predetermined airflow pattern; and identifying a location of an anomaly based on the group of airflow alerters.

A computer-implemented method for anomaly detection in a data processing system comprising a processor and a memory comprising instructions which are executed by the processor. The method includes receiving a plurality of real-time airflow patterns acquired by a plurality of airflow alerters, wherein each real-time airflow pattern corresponds to a different airflow alerter; comparing each real-time airflow pattern with a predetermined airflow pattern, wherein each real-time airflow pattern corresponds to a different predetermined airflow pattern; when there is any real-time airflow pattern different from the corresponding predetermined airflow pattern, identifying a group of airflow alerters among the plurality of airflow alerters, wherein a real-time airflow pattern of each airflow alerter in the group is different from the corresponding predetermined airflow pattern; and identifying a location of an anomaly based on the group of airflow alerters.

An air conditioning system control device 10 includes: a switching unit 11 that, when a parameter relating to the indoor environment in which the air conditioning system operates does not satisfy a first condition while the air conditioning system is operating in a first operation mode that is an operation mode in which setting values computed on the basis of a prediction model are used as the setting values for the air conditioning system, switches the operation mode of the air conditioning system to a second operation mode that is an operation mode in which the computed setting values are not used as the setting values for the air conditioning system.

An outdoor unit of an air-conditioning apparatus includes: a refrigerant circuit in which a compressor and an outdoor-side heat exchanger are connected by a refrigerant pipe; an outdoor-side fan that sends air to the outdoor-side heat exchanger; and a controller including an inverter circuit configured to drive the compressor. The controller includes: a first heat generating component; a second heat generating component that generates a smaller amount of heat than the first heat generating component; a temperature detection circuit provided in the first heat generating component to detect a temperature thereof; a temperature acquisition module that acquires the temperature detected by the temperature detection circuit; and an estimate calculation module that calculates a temperature estimate of the second heat generating component based on the temperature acquired by the temperature acquisition module, and calculates an estimate of a life of the second heat generating component based on the temperature estimate.

An outdoor unit of an air-conditioning apparatus includes: a refrigerant circuit in which a compressor and an outdoor-side heat exchanger are connected by a refrigerant pipe; an outdoor-side fan that sends air to the outdoor-side heat exchanger; and a controller including an inverter circuit configured to drive the compressor. The controller includes: a first heat generating component; a second heat generating component that generates a smaller amount of heat than the first heat generating component; a temperature detection circuit provided in the first heat generating component to detect a temperature thereof; a temperature acquisition module that acquires the temperature detected by the temperature detection circuit; and an estimate calculation module that calculates a temperature estimate of the second heat generating component based on the temperature acquired by the temperature acquisition module, and calculates an estimate of a life of the second heat generating component based on the temperature estimate.

A bipolar ionizer comprising an electronic circuit, microprocessor, and step-up transformer providing high-voltage signals to carbon-fiber electrodes producing bipolar ion concentrations greater than +/−200 million ions per cubic centimeter. The bipolar ionizer monitors, reduces, and converts high-voltage signals to feedback signals used by the microprocessor to vary a frequency and a duty cycle of a digital signal to control an excitation signal for a step-up transformer output voltage to consistently maintain an unbalanced high-voltage output ratio less than 80 percent, balanced bipolar ion concentration ratio greater than 80 percent, and zero ozone concentration over a range of electrical signal inputs. The microprocessor calculates and reports bipolar ionizer concentrations based on feedback signals. The microprocessor monitors concentrations of Volatile Organic Compounds (VOCs) in an airflow serving the bipolar ionizer and adjusts the positive/negative DC high-voltage signals and bipolar ion concentration when VOC concentrations are above a threshold.

A central controller for an intelligent environmental air management system includes at least one processor and memory storing instructions executable by the at least one processor. The instructions, when executed, cause the central controller to detect and communicate with an air hazard sensor, an environmental condition monitor, and an air hazard mitigation device of the intelligent environmental air management system.

A building management system that includes a plurality of slave devices, a remote server comprising a slave device configuration database, and a master controller. The master controller is configured to receive slave device configuration information stored in the slave device configuration database. The slave device configuration information includes at least one of cooling tower configuration parameters, chilled water pump configuration parameters, condenser water pump configuration parameters, air handling unit configuration parameters, rooftop air handling unit configuration parameters, variable air volume unit configuration parameters, chiller device configuration parameters, a rated device capacity, a rated device power, and a rated device speed. The master controller is further configured to control the plurality of slave devices using the slave device configuration information.

A building management system that includes a plurality of slave devices, a remote server comprising a slave device configuration database, and a master controller. The master controller is configured to receive slave device configuration information stored in the slave device configuration database. The slave device configuration information includes at least one of cooling tower configuration parameters, chilled water pump configuration parameters, condenser water pump configuration parameters, air handling unit configuration parameters, rooftop air handling unit configuration parameters, variable air volume unit configuration parameters, chiller device configuration parameters, a rated device capacity, a rated device power, and a rated device speed. The master controller is further configured to control the plurality of slave devices using the slave device configuration information.

An air conditioner includes an indoor unit and an outdoor unit. The outdoor unit includes: a DC motor; an inrush-current prevention relay having a coil and a contact provided on a supply line of an AC power supply as a power supply of the outdoor unit, in which the contact is in an electrically-disconnected state when any current does not flow through the coil and is in an electrically-connected state when a current flows through the coil; a PTC connected in parallel to the contact; and a temperature protector provided on a supply line of a relay-driving power supply as a power supply of the inrush-current prevention relay, which is in an electrically-connected state when a temperature of the DC motor is lower than a predetermined temperature, but is in an electrically-disconnected state when the temperature of the DC motor reaches a predetermined temperature or higher.