US Patent 11168903 Air-conditioning system and air-conditioning system controller

An air-conditioning system includes a humidifier for humidifying air and a dehumidifier for dehumidifying air of an air-conditioned room, respectively, multiple transfer fans in each of multiple rooms to transfer air of the air-conditioned room to the rooms, a room humidity sensor for obtaining an indoor humidity of rooms, an air-conditioned room humidity sensor for obtaining a humidity of the air-conditioned room and a system controller. The system controller includes a humidity control section for controlling the humidifier and/or the dehumidifier to maintain the humidity within a humidity range, an air volume determining section for determining an air volume of each of the transfer fans according to the indoor humidity obtained by the room humidity sensor and the humidity obtained by the air-conditioned room humidity sensor and a fan air volume control section for controlling the air volume of the transfer fans according to the determined air volume.