| 摘要 |
<p>An energy-saving type refrigerating device capable of preventing global warming, allowing the size of a heat exchanger to be reduced more than before while a performance coefficient COP higher than before is obtained using, as a refrigerant, R32 with small global warming potential (GWP), comprising a compressor (23), a first heat exchanger (22) functioning as a condenser, an expansion means (26), and a second heat exchanger (2) functioning as an evaporator, all provided in a refrigerating circuit thereof, wherein the ratio m = Vout/Vin of an inner volume Vout of the first heat exchanger (22) to an inner volume Vin of the second heat exchanger (2) is set in the range of 0.7.m.1.5.</p> |
