| 摘要 |
PROBLEM TO BE SOLVED: To perform renewal work in a short time and to improve reliability and performance by efficiently recovering impurities remaining in a recycled connecting pipe. SOLUTION: This refrigerating cycle apparatus includes: a compressor 1; a heat source unit side heat exchanger 3; a first expansion device 4; a second expansion device 21; and a use side heat exchanger 22, which are sequentially connected to one another, wherein a filter for capturing at least either refrigerant insoluble component or component weak soluble to the refrigerant is provided between the first expansion device 4 and the second expansion device 21. COPYRIGHT: (C)2008,JPO&INPIT
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