Patent ID: 11859841
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  G | IPC F  G

Claim 5:
6. An air-conditioning system comprising:
equipment involved in air-conditioning, the equipment including one or more pieces of equipment;
a high level device connected to the equipment and configured to control the equipment;
an update processing device positioned in the high level device and updates program of the equipment; and
a storage device configured to store an update program for updating the program of the equipment;
the update processing device
communicates with an update management device that previously stores an update program for updating a program of the equipment and obtain the update program;
communicates with the equipment, transmit the obtained update program to the equipment, and obtain a pre-update program from the equipment;
stores the obtained update program and the obtained pre-update program;
transmits the update program stored in the storage device to the equipment and updates the program of the equipment,
obtains, from the equipment in which the program is updated, device update program including parameters affecting success or failure of the update when the program is updated and an update result, a correlation relationship of the parameters;
analyzes a correlation relationship of the parameters based on the device update data, and
when one of the one or more pieces of the equipment in which the program is updated does not operate normally and the correlation relationship exists in the parameters related to the one of the one or more pieces of the equipment that does not operate normally, the update execution unit re-updates the program of the one of the one or more pieces of the equipment that does not operate normally.