An air conditioner control system comprising: an air conditioner comprising an outdoor unit and an indoor unit; a central remote controller for handling operation of the air conditioner and for collecting operation information of the air conditioner; and a remote monitor terminal for monitoring the operation state of the air conditioner and for controlling the operation of the air conditioner, wherein the central remote controller comprises: first transmission means to communicate with the air conditioner; second transmission means to communicate with remote monitor terminal; an operation information processing section arranged to process operation information from an operation setting means (8a,8b,8c), each of which is independent in function, to transmit the operation information to the air conditioner through the first transmission means, to collect the operation information of the air conditioner received through the first transmission means, to generate screen information based on the collected operation information of the air conditioner, and to display the screen information on a display means; and a management information processing section arranged to generate screen information based on the operation information of the air conditioner collected through the first transmission means, to transmit the screen information to the remote monitor terminal through the second transmission means, to relay control information transmitted from the remote monitor terminal through the second transmission means, and to transmit the control information to the air conditioner through the first transmission means, wherein the remote monitor terminal is arranged to display the screen information transferred from the central remote controller. an air conditioner comprising an outdoor unit and an indoor unit; a central remote controller for handling operation of the air conditioner and for collecting operation information of the air conditioner; and a remote monitor terminal for monitoring the operation state of the air conditioner and for controlling the operation of the air conditioner, wherein the central remote controller comprises: first transmission means to communicate with the air conditioner; second transmission means to communicate with remote monitor terminal; an operation information processing section arranged to process operation information from an operation setting means (8a,8b,8c), each of which is independent in function, to transmit the operation information to the air conditioner through the first transmission means, to collect the operation information of the air conditioner received through the first transmission means, to generate screen information based on the collected operation information of the air conditioner, and to display the screen information on a display means; and a management information processing section arranged to generate screen information based on the operation information of the air conditioner collected through the first transmission means, to transmit the screen information to the remote monitor terminal through the second transmission means, to relay control information transmitted from the remote monitor terminal through the second transmission means, and to transmit the control information to the air conditioner through the first transmission means, wherein the remote monitor terminal is arranged to display the screen information transferred from the central remote controller. first transmission means to communicate with the air conditioner; second transmission means to communicate with remote monitor terminal; an operation information processing section arranged to process operation information from an operation setting means (8a,8b,8c), each of which is independent in function, to transmit the operation information to the air conditioner through the first transmission means, to collect the operation information of the air conditioner received through the first transmission means, to generate screen information based on the collected operation information of the air conditioner, and to display the screen information on a display means; and a management information processing section arranged to generate screen information based on the operation information of the air conditioner collected through the first transmission means, to transmit the screen information to the remote monitor terminal through the second transmission means, to relay control information transmitted from the remote monitor terminal through the second transmission means, and to transmit the control information to the air conditioner through the first transmission means, wherein the remote monitor terminal is arranged to display the screen information transferred from the central remote controller.