| 摘要 |
PROBLEM TO BE SOLVED: To provide a refrigeration installation enabling to collect the operating data of refrigeration equipment at the center side, such as maintenance company, cope with it quickly based on the data when unusual event happens, change, and the like, the set value from the place where is not on the spot with remote operation, and improve maintenance service by preventing trouble before it happens and doing failure correction quickly. SOLUTION: A showcase controller 4 is set on a freezing refrigerating showcase 1 or a freezing refrigerator 2, detects the temperature inside refrigerator and the like, alarms unusual condition and receives the indication, such as the temperature setting for inside refrigerator, change of set value for alarm and starting of forced defrosting, with remote operation. A freezer controller 5 is set on a freezer 3 and detects its temperature and/or pressure and alarms unusual condition. A power management controller 6 detects the electric energy, and the like, of those refrigeration equipments. A communication device 8 is inputted the information from those controller 4, 5, 6 through a signaling line 10. The showcase controller 4, the freezer controller 5, the power management controller 6 and the communication device 8 are installed on the side of store. Then the center equipment that is installed on the side of center, such as maintenance company, is connected to the communication device 8 though a public telephone circuit 11.
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