Control system of indoor machine of air conditioner having one-for-multiple air cooling ducts

The utility model relates to a control system of indoor machine of air conditioner having one-for-multiple air cooling ducts, comprising a power circuit, an RS-485 communication interface, a central processing unit, a parameter setting circuit, a temperature detecting circuit, an environment and dampness detecting circuit, a water level detecting circuit, a power down memory circuit, a drive control circuit and an infrared remote controlled receiving circuit, and all the circuits are connected with each other, taking the central processing unit as the core. The utility model which can select to control the blower in the room and control a ventilating device, an air disinfection device and a pumping motor has advantages of large communication information amount, safety and reliability; the utility model allows the indoor machine to have a communication distance of 1000m with the wire controlled box and the outdoor machine, having a simple installation process and greatly reduced cost; and when the control requirement of the indoor machine is changed, the parameter setting only needs to be changed with no change of the control system.