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    • 10. 发明公开
    • INDOOR UNIT AND AIR CONDITIONING DEVICE
    • EP4336115A1
    • 2024-03-13
    • EP22798963.9
    • 2022-05-06
    • DAIKIN INDUSTRIES, LTD.
    • MIURA, ShuNISHITANI, KeisukeSANAGI, Tsunehisa
    • F24F11/70F24F13/22
    • In a case where the amount of drain water generated is small, it is preferable to suppress power consumption of a drain pump by shortening operation time of the drain pump. An indoor unit (12) is used in an air conditioner (10) capable of executing a cooling operation by circulating a refrigerant. The indoor unit (12) includes an indoor heat exchanger (50), a drain pan (57), a drain pump (59), and an indoor control unit (92). The indoor heat exchanger (50) exchanges heat between the refrigerant and indoor air. The drain pan (57) receives water generated in the indoor heat exchanger (50). The drain pump (59) sucks up the water from the drain pan (57). At a time of executing the cooling operation, the indoor control unit (92) operates the drain pump (59) when an evaporation temperature of the refrigerant in the indoor heat exchanger (50) is equal to or lower than a dew point temperature of the indoor air. At the time of executing the cooling operation, the indoor control unit (92) controls the drain pump (59) so as to have a period in which operation of the drain pump (59) is not performed when the evaporation temperature of the refrigerant is higher than the dew point temperature.