Abstract: An energy recovery ventilator for an air conditioner unit includes a ventilator cabinet defining a primary flow path and an energy recovery path, a heat exchanger positioned within the ventilator cabinet, wherein the primary flow path and the energy recovery path are fluidly isolated and thermally coupled within the heat exchanger; a primary fan fluidly coupled to the primary flow path for urging a flow of make-up air into an indoor portion of the air conditioner unit, and an auxiliary fan fluidly coupled to the energy recovery path for drawing a flow exhaust air through the energy recovery path.

Abstract: An air conditioning appliance may include an air plenum, a recovery casing, a first recovery exhaust fan, a heat exchanger core, and a thermal cutoff. The recovery casing may be attached to the air plenum. The recovery casing may define an outdoor casing inlet downstream from the air plenum and an indoor casing outlet downstream from the outdoor casing inlet along an external recovery flow path. The recovery casing may further define an indoor casing inlet and an outdoor casing outlet along an internal recovery flow path. The first recovery exhaust fan may be mounted within the recovery casing along the external recovery flow path. The heat exchanger core may be disposed along the external recovery flow path and the internal recovery flow path. The thermal cutoff may be mounted within the recovery casing in operable communication with the first recovery exhaust fan.

Abstract: An air conditioner unit includes a bulkhead defining an indoor portion and an outdoor portion, a vent aperture defined in the bulkhead, and a make-up air module for urging a flow of make-up air from the outdoor portion through the vent aperture to the indoor portion. The make-up air module includes a heat exchanger defining a primary flow path and an auxiliary flow path, wherein the primary flow path is fluidly isolated and thermally coupled to the auxiliary flow path, an energy recovery duct providing fluid communication between the indoor portion and the auxiliary flow path, a primary fan fluidly coupled to the primary flow path for urging the flow of make-up air into the indoor portion through the vent aperture, and an auxiliary fan fluidly coupled to the auxiliary flow path for drawing a flow of auxiliary air through the energy recovery duct and the auxiliary flow path.

Abstract: An air conditioner unit and a film heating assembly for use in the air conditioner unit, the air conditioner unit comprising a bulkhead defining an indoor portion and an outdoor portion and an indoor fan positioned within the indoor portion for selectively urging a flow of air through an indoor heat exchanger. The film heating assembly comprises a plurality of thick film heaters mounted to the bulkhead and an electrical relay system for selectively coupling the plurality of thick film heaters to an external power source.

Abstract: A packaged terminal air conditioner unit includes discharge air temperature and humidity sensors in the discharge air stream. Input from the sensors is used to determine the dewpoint temperature of a mixture of outside air and recirculated room air prior to discharge to the conditioned space. The air conditioner unit modifies one or more of indoor fan speed, compressor speed, and an electronically controlled expansion device to adjust the discharge air dewpoint temperature to a predetermined target value.

Abstract: An air conditioning appliance or method may include detecting a first indoor pollutant level within an indoor environment while holding an auxiliary fan in an inactive state. The appliance or method may further include activating the auxiliary fan to urge the flow of make-up air to the indoor portion following detecting the first indoor pollutant level and detecting a second indoor pollutant level within the indoor environment following detecting the first indoor pollutant level and activating the auxiliary fan. The appliance or method may still further include determining an outdoor pollution level or a room volume of the indoor environment based on the first and second indoor pollutant levels and estimating a high-pollutant timepoint for the indoor environment based on the determined outdoor pollution level or room volume. The appliance or method may yet further include adjusting activation of the auxiliary fan prior to reaching the high-pollutant timepoint.

Abstract: An air conditioner unit or ventilator assembly may include a ventilator cabinet, a fan, a capacitor assembly, and a user input. The ventilator cabinet may define a path for a flow of air relative to the air conditioner unit. The fan may be mounted within the ventilator cabinet to urge the flow air. The capacitor assembly may be in electrical communication with the fan to control an electrical current to the fan. The capacitor assembly may be configured to selectively operate across a predetermined capacitance range. The user input may be in operable communication with the capacitor assembly. The user input may be configured to set an operable capacitance of the capacitor assembly within the predetermined capacitance range.

Abstract: A single-package air conditioner unit includes a housing defining an outdoor portion and an indoor portion, an outdoor heat exchanger assembly disposed in the outdoor portion and comprising an outdoor heat exchanger and an outdoor fan, an indoor heat exchanger assembly disposed in the indoor portion and comprising an indoor heat exchanger and an indoor fan, an intake conduit extending from the housing and defining a primary air flow path upstream from the indoor heat exchanger assembly and a make-up air (MUA) air flow path, the MUA air flow bath being non-sequential with the primary air flow path, and a filter tray received within the intake conduit along the MUA air flow path, the filter tray defining a filter reception zone within the intake conduit to receive a filter cartridge therein.

Abstract: A method for operating an appliance is provided. The appliance includes a plurality of power actuatable devices and a controller in operable communication with the plurality of power actuatable devices. The controller is configured to receive a control command corresponding to providing power to a first power actuatable device and determine whether a second power actuatable device is in a power receiving state below a power threshold or above the power threshold. When the power receiving state of the second power actuatable device is above the power threshold, the controller is configured to monitor the power receiving state of the second power actuatable device until the power receiving state is below the power threshold. When the power receiving state of the second power actuatable device is below the power threshold, the controller is configured to provide power to the first power actuatable device based on the control command.

Abstract: An energy recovery ventilator for an air conditioner unit includes a ventilator cabinet defining a primary flow path and an energy recovery path, a heat exchanger positioned within the ventilator cabinet, wherein the primary flow path and the energy recovery path are fluidly isolated and thermally coupled within the heat exchanger; a primary fan fluidly coupled to the primary flow path for urging a flow of make-up air into an indoor portion of the air conditioner unit, and an auxiliary fan fluidly coupled to the energy recovery path for drawing a flow exhaust air through the energy recovery path.

Abstract: An energy recovery ventilator for an air conditioner unit includes a ventilator cabinet defining a primary flow path, an energy recovery path, and an access opening providing access to a heat exchanger cavity, a heat exchanger positioned within the heat exchanger cavity within the ventilator cabinet, wherein the primary flow path and the energy recovery path are fluidly isolated and thermally coupled within the heat exchanger, an access cover removably mounted over the access opening for providing selective access into the heat exchanger cavity, and a plurality of rotatable clips positioned on an outside of the ventilator cabinet, the plurality of rotatable clips being movable configured to secure the access cover to the ventilator cabinet.

Abstract: An air conditioner unit includes a bulkhead defining an indoor portion and an outdoor portion, a vent aperture defined in the bulkhead, and a make-up air module for urging a flow of make-up air from the outdoor portion through the vent aperture to the indoor portion. The make-up air module includes a heat exchanger defining a primary flow path and an auxiliary flow path, wherein the primary flow path is fluidly isolated and thermally coupled to the auxiliary flow path, an energy recovery duct providing fluid communication between the indoor portion and the auxiliary flow path, a primary fan fluidly coupled to the primary flow path for urging the flow of make-up air into the indoor portion through the vent aperture, and an auxiliary fan fluidly coupled to the auxiliary flow path for drawing a flow of auxiliary air through the energy recovery duct and the auxiliary flow path.

Abstract: An air conditioner unit includes a bulkhead defining an indoor portion and an outdoor portion, an intake aperture and an exhaust aperture defined in the bulkhead, an intake fan fluidly coupled to the intake aperture for urging a flow of make-up air through the intake aperture into the indoor portion and an exhaust fan fluidly coupled to the exhaust aperture for urging a flow of exhaust air through the exhaust aperture into the outdoor portion, and a heat transfer assembly extending between the intake aperture and the exhaust aperture for transferring thermal energy between the flow of make-up air and the flow of exhaust air.

Abstract: A packaged terminal air conditioner unit includes discharge air temperature and humidity sensors in the discharge air stream. Input from the sensors is used to determine the dewpoint temperature of a mixture of outside air and recirculated room air prior to discharge to the conditioned space. The air conditioner unit modifies one or more of indoor fan speed, compressor speed, and an electronically controlled expansion device to adjust the discharge air dewpoint temperature to a predetermined target value.

Abstract: A method for operating an air conditioner unit includes a step of initiating a resistance heating cycle of the air conditioner unit. The method further includes a step of determining a plug personality of a plug of the air conditioner unit. The method also includes a step of determining a nominal voltage rating of the air conditioner unit. The method further includes a step of determining, based on the plug personality and the nominal voltage rating, a pulse width modulation rate percentage for a single bank resistance heater of the air conditioner unit. The method may also include a step of setting, within a memory of a heater controller, the determined pulse width modulation rate percentage for the single bank resistance heater.

Abstract: An air conditioner unit may include a bulkhead that may define an indoor portion and an outdoor portion. The air conditioner unit may also include an indoor fan that may be positioned within the indoor portion for selectively urging a flow of air through an indoor heat exchanger. The air conditioner unit may further include one or more heater banks for selectively heating the flow of air. The air conditioner unit may also include a heater control assembly that may include a thermal cutoff switch mounted adjacent the one or more heater banks for cutting off power to the one or more heater banks when a predetermined temperature is reached. The heater control assembly may also include a first temperature sensor positioned upstream of the thermal cutoff switch. The heater control assembly may further include a second temperature sensor positioned downstream of the thermal cutoff switch.

Abstract: An air conditioner unit comprises a sealed cooling system including an outdoor heat exchanger and an indoor heat exchanger. The sealed cooling system includes multiple refrigerant circuits. Each refrigerant circuit of the multiple refrigerant circuits includes an expansion device. A cross-over flow connection extends between and provides fluid communication between each of the multiple refrigerant circuits. The cross-over flow connection is adjacent the expansion device of each refrigerant circuit.

Abstract: An air conditioner unit may include a housing, an outdoor heat exchanger assembly, an indoor heat exchanger assembly, a compressor, a sterilization light assembly, and a flow sensor. The housing may define an indoor portion and an outdoor portion. The housing may further define an exhaust outlet downstream from the indoor portion to exhaust air therefrom. The sterilization light assembly may be disposed within the indoor portion to transmit an ultraviolet light emission thereto. The flow sensor may be disposed within the indoor portion upstream from the exhaust outlet. The flow sensor may be operably coupled to the sterilization light assembly and configured to activation of sterilization light assembly in response to detecting a predetermined airflow within the indoor portion.

Abstract: An air conditioning appliance may include an air plenum, a recovery casing, a first recovery exhaust fan, a heat exchanger core, and a thermal cutoff. The recovery casing may be attached to the air plenum. The recovery casing may define an outdoor casing inlet downstream from the air plenum and an indoor casing outlet downstream from the outdoor casing inlet along an external recovery flow path. The recovery casing may further define an indoor casing inlet and an outdoor casing outlet along an internal recovery flow path. The first recovery exhaust fan may be mounted within the recovery casing along the external recovery flow path. The heat exchanger core may be disposed along the external recovery flow path and the internal recovery flow path. The thermal cutoff may be mounted within the recovery casing in operable communication with the first recovery exhaust fan.

Abstract: An air conditioner unit may include a housing, an outdoor heat exchanger, an indoor heat exchanger, a compressor, a sterilization light assembly, and a controller. The housing may define an indoor portion and an outdoor portion. The housing may further define an exhaust outlet downstream from the indoor portion to exhaust air therefrom. The sterilization light assembly may be disposed within the indoor portion. The controller may be in operable communication with the indoor fan and the sterilization light assembly. The controller may be configured to initiate a sterilizing operation. The sterilizing operation may include directing activation of the indoor fan to motivate air through the indoor portion, detecting activation of the indoor fan to motivate air through the indoor portion, and directing activation of the sterilization light assembly to transmit an ultraviolet light emission within the indoor portion based on detected activation of the indoor fan.