| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a refrigeration air conditioner which achieves highly effective operation even if a plurality of evaporators are provided as user side units. <P>SOLUTION: A control device 20 of the refrigeration air conditioner controls a flow rate of an expansion device 5a so that a refrigerant superheat degree SHa at an outlet side of the present internal heat exchanger 4a calculated by a superheat degree calculation part 22 becomes a target superheat degree calculated by a target superheat degree calculation part 23. <P>COPYRIGHT: (C)2012,JPO&INPIT |
