US 11,913,661 B2
Air-conditioning system
Koji Yamaguchi, Tokyo (JP)
Assigned to Mitsubishi Electric Corporation, Tokyo (JP)
Appl. No. 17/256,797
Filed by Mitsubishi Electric Corporation, Tokyo (JP)
PCT Filed Sep. 14, 2018, PCT No. PCT/JP2018/034199
§ 371(c)(1), (2) Date Dec. 29, 2020,
PCT Pub. No. WO2020/054055, PCT Pub. Date Mar. 19, 2020.
Prior Publication US 2021/0285676 A1, Sep. 16, 2021
Int. Cl. F24F 11/56 (2018.01); F24F 11/52 (2018.01); F24F 11/54 (2018.01)
CPC F24F 11/56 (2018.01) [F24F 11/52 (2018.01); F24F 11/54 (2018.01)] 15 Claims
OG exemplary drawing
 
1. An air-conditioning system comprising:
an outdoor unit including an outdoor-side control device;
a plurality of indoor units each including an indoor-side control device configured to control devices included in each indoor unit, in response to an instruction;
a plurality of communication lines that each connect the outdoor unit and an associated one of the plurality of indoor units to enable the outdoor unit and the associated indoor unit to communicate with each other; and
a remote control unit that includes a remote-control controlling device and is configured to wirelessly communicate with each of the indoor units, wherein
each of the indoor units includes an indoor-side setting device configured to determine an identification number that identifies the indoor unit,
when receiving a signal including the instruction that is sent from the remote control unit, the indoor-side control device
determines whether or not to control the devices in the indoor unit based on a set identification signal, and
sends the signal including the instruction to the outdoor unit, regardless of the determination of whether or not to control the devices in the indoor unit, via an associated one of the communication lines, and
the outdoor-side control device
determines which of the indoor units is an instruction target that is an indoor unit to be given an instruction, based on the identification signal included in the signal that is sent via the associated communication line, and
sends the signal including the instruction to the indoor unit that is the instruction target, via an associated one of the communication lines.