| 摘要 |
An air-conditioning apparatus includes a main circuit in which a compressor (1), an indoor heat exchanger (3), a first flow control device (4), and a plurality of parallel heat exchangers (5-1, 5-2) connected in parallel to each other are sequentially connected via a pipe to allow refrigerant to circulate, a first defrost pipe (15) that branches a part of the refrigerant discharged from the compressor (1) and allows the refrigerant to flow into the parallel heat exchanger (5-1, 5-2) to be defrosted among the plurality of parallel heat exchangers (5-1, 5-2), an expansion device (10) provided in the first defrost pipe (15) and configured to depressurize the refrigerant discharged from the compressor (1), and a connection switching device that allows the refrigerant flowing out of the parallel heat exchanger (5-1, 5-2) to be defrosted to flow into the main circuit at a position upstream of the parallel heat exchangers (5-1, 5-2) other than the parallel heat exchanger subject to defrosting. |
