Abstract: An indoor heat exchanger includes: a plurality of heat transfer tubes including respective flow passages therein through which water flows as a heat medium; and a header that distributes water that flows into the header from an inflow tube connected to a heat source side to the plurality of heat transfer tubes. The header includes: a first plate-like member including a plurality of start-portion openings that communicate with respective start portions of the plurality of heat transfer tubes; and a second plate-like member joined to the first plate-like member, and including an inlet port through which water flows from the inflow tube into the second plate-like member, and a distribution recess formed opposite to the plurality of start-portion openings and communicating with the inlet port.

Abstract: An indoor unit of an air-conditioning apparatus includes: a housing having an air inlet suctioning indoor air, an air outlet blowing out the air suctioned from the air inlet, an accommodation space connected to the air outlet and accommodating an electric component box, a wind up-down direction plate provided to the housing to cover the air outlet and the accommodation space, configured to adjust a direction of air blown out from the air outlet, and including a wind guide surface that guides the air blown out from the air outlet; and a wind shielding portion that obstructs the air blown out from the air outlet, the wind shielding portion being provided at an edge portion of a portion of the wind guide surface, the portion facing the accommodation space, the edge portion being disposed close to a rear side of the housing.

Abstract: An air-conditioning apparatus includes a refrigerant circuit in which refrigerant is circulated, and an indoor unit configured to accommodate a load-side heat exchanger of the refrigerant circuit. The indoor unit includes an air outlet provided in the housing, an air inlet provided in the housing below the air outlet, an air passage that extends between the air inlet and the air outlet via the load-side heat exchanger, a refrigerant detection unit disposed below the air inlet, and a first partition plate configured to separate the air passage from a space in which the refrigerant detection unit is installed.

Abstract: An indoor unit of an air-conditioning apparatus includes a first heat exchanger inclined forward and downward, a second heat exchanger provided below the first heat exchanger, a drain pan provided below the second heat exchanger, and a blocking member covering an area between the first heat exchanger and the second heat exchanger and also a part of the first heat exchanger from a front side. The first heat exchanger has at least one heat exchanging unit. An upper edge of the blocking member is higher than a front edge at a lower end of the heat exchanging unit disposed at a front-most side.

Abstract: An indoor unit of an air-conditioning apparatus includes: a casing; a drain pan, which is provided inside the casing, and is configured to receive condensate water generated in the load-side heat exchanger; and a refrigerant detection unit provided below the drain pan inside the casing. The refrigerant detection unit includes: a sensor configured to detect leakage of the refrigerant; and a sensor cover configured to cover the sensor from a front surface side of the sensor. The sensor cover includes: a roof portion arranged above the sensor; and a side surface portion arranged on the front surface side or a side surface side of the sensor below the roof portion. The roof portion has an eaves portion projecting outward with respect to the side surface portion, and the side surface portion has at least one first opening port configured to introduce air to an inside of the sensor cover therethrough.

Abstract: An air-conditioning apparatus includes a refrigerant circuit in which refrigerant is circulated, and an indoor unit configured to accommodate a load-side heat exchanger of the refrigerant circuit. The indoor unit includes an air outlet provided in the housing, an air inlet provided in the housing below the air outlet, an air passage that extends between the air inlet and the air outlet via the load-side heat exchanger, a refrigerant detection unit disposed below the air inlet, and a first partition plate configured to separate the air passage from a space in which the refrigerant detection unit is installed.

Abstract: An indoor unit of an air-conditioning apparatus includes: a casing; a drain pan, which is provided inside the casing, and is configured to receive condensate water generated in the load-side heat exchanger; and a refrigerant detection unit provided below the drain pan inside the casing. The refrigerant detection unit includes: a sensor configured to detect leakage of the refrigerant; and a sensor cover configured to cover the sensor from a front surface side of the sensor. The sensor cover includes: a roof portion arranged above the sensor; and a side surface portion arranged on the front surface side or a side surface side of the sensor below the roof portion. The roof portion has an eaves portion projecting outward with respect to the side surface portion, and the side surface portion has at least one first opening port configured to introduce air to an inside of the sensor cover therethrough.