Abstract: An air conditioning system includes a first device, a second device, a refrigerant sensor that is provided in the second device and detects a refrigerant leaking from the second device, and a first notification device that makes a notification of a refrigerant leak, in which the first device and the second device share first identification information that specifies a first group including the first notification device and the first device, the second device transmits leak detection information and the first identification information to the first device on the basis of detection of the refrigerant leak by the refrigerant sensor, and the first device instructs the first notification device to make a notification of the refrigerant leak on the basis of reception of the leak detection information and the first identification information that matches identification information of a group to which the first device belongs.

Abstract: An air conditioning system includes a first device, a second device, a refrigerant sensor that is provided in the second device and detects a refrigerant leaking from the second device, and a first notification device that makes a notification of a refrigerant leak, in which the first device and the second device share first identification information that specifies a first group including the first notification device and the first device, the second device transmits leak detection information and the first identification information to the first device on the basis of detection of the refrigerant leak by the refrigerant sensor, and the first device instructs the first notification device to make a notification of the refrigerant leak on the basis of reception of the leak detection information and the first identification information that matches identification information of a group to which the first device belongs.

Abstract: An air conditioning system includes a first device and a second device that are communicably connected to each other and through which a refrigerant flows, a first refrigerant sensor that is provided in the first device and detects the refrigerant, a first notification device that is communicably connected to the first device and makes a notification of a refrigerant leak on the basis of detection of the refrigerant by the first refrigerant sensor, and a control device that controls the first device and the second device, in which an authority to make a notification of a refrigerant leak on a basis of detection of the refrigerant received from other than the first refrigerant sensor is settable to the first notification device.