Patent ID: 8301763

Claim:
An air conditioning system comprising: a first device group monitoring target including one or plural first indoor units and a first outdoor unit connected with the first indoor unit/units to configure one refrigerant system; a first connection device configured to be communicably connected to the first indoor unit/units and the first outdoor unit and having a unique first ID; a second device group monitoring target including one or plural second indoor units and a second outdoor unit connected with the second indoor unit/units to configure another refrigerant system; a second connection device configured to be communicably connected to the second indoor unit/units and the second outdoor unit and having a unique second ID; and a monitoring device configured to be communicably connected to the first connection device, the second connection device and having a monitoring memory that stores data received from the first connection device and the second connection device, each time when power supply is started to the first connection device, the first connection device performs communication with the first indoor unit/units and the first outdoor unit to collect first configuration type information representing at least one of the configuration and the type of the first device group monitoring target corresponding to the first connection device and the first connection device transmits the first configuration type information to the monitoring device together with the first ID of the first connection device corresponding to the first configuration type information, and each time when power supply is started to the second connection device, the second connection device performs communication with the second indoor unit/units and the second outdoor unit to collect second configuration type information representing at least one of the configuration and the type of the second device group monitoring target corresponding to the second connection device and the second connection device transmits the second configuration type information to the monitoring device together with the second ID of the second connection device corresponding to the second configuration type information.