| 摘要 |
In order to enable determining configuration information of an air conditioner, to enable displaying the cause of air conditioner problems during test operation and maintenance, and to enable easily verifying repair operations on a mobile terminal on the basis of the determination result, a display device displays configuration information, causes of problems, and repair operation procedures of the air conditioner, in which outdoor units having an outdoor heat exchanger and indoor units having an indoor heat exchanger are connected by coolant piping, and which circulates a coolant by means of a compressor. This display device is characterized by being provided with a control unit which determines the device configuration of the indoor units or the outdoor units of the air conditioner, a control unit which determines whether or not a problem has occurred, and a display unit which displays a repair operation procedure. |
