| 摘要 |
PROBLEM TO BE SOLVED: To easily and accurately grasp an operation state of an air conditioning system.SOLUTION: A control device 3 of an air conditioning system 1 includes an outdoor unit control portion 43 communicable with an outdoor unit B through a communication medium, acquiring information of devices loaded in the outdoor unit B through the communication medium, and outputting control commands to the devices loaded in the outdoor unit B, and an indoor unit control portion 41 communicable with an indoor unit A through a communication medium, acquiring information of devices loaded in the indoor unit A through the communication medium, and outputting control commands to the devices loaded in the indoor unit A. The control device 3 implements a failure prediction operation for independently changing operation points of the devices loaded in the indoor unit A or the outdoor unit B, acquiring prescribed state quantities before and after the change, and determining presence or absence of abnormality in the device.SELECTED DRAWING: Figure 2 |
