| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a freezing apparatus capable of utilizing not only electric input but also outside air as a defrosting heat source.SOLUTION: In a freezing apparatus 100, a high-order chiller 17 is installed on the discharge side of a high-order side freezing cycle 19, a low-order chiller 11 is installed on the discharge side of a low-order side freezing cycle 15, a low-order heater 12 is installed on the suction side of the low-order side freezing cycle 15, and a water circulation cycle 27 is connected to the high-order side freezing cycle 19 through the high-order chiller 17 connected to the low-order side freezing cycle 15 through the low-order chiller 11 and the low-order heater 12 and includes an outdoor radiator 20.</p> |
