| 摘要 |
PROBLEM TO BE SOLVED: To provide a refrigeration air conditioning system requiring a small space and having simple construction permitting stable operation and reducing energy without using wasteful energy in any operating condition, and its operating method. SOLUTION: The refrigeration air conditioning system comprises a first heat exchanger for heat exchange between room-temperature air and a first refrigerant, a second heat exchanger for heat exchange between low-temperature air and a second refrigerant, a third heat exchanger where refrigerants are heat exchangeable with each other passing through mutually independent flow paths, a first flow path connected to the first heat exchanger and a second flow path connected to the second heat exchanger, and a bypass flow path provided in the second flow path for bypassing the second refrigerant to the third heat exchanger. COPYRIGHT: (C)2004,JPO&NCIPI
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