An controller and a system of air conditioner comprising thereof

The present invention relates to a controller for controlling the operation of an air conditioner and an air conditioning system comprising the same. The controller, more specifically, includes: an output device; a communication device; a processor; a memory; and a program. The program is stored in the memory, and executed by the processor. The program also receives driving information including the operation status of the air conditioner, and displays the driving information on the output device in real-time. The program stores background data arranged by the driving information, in the memory, and visually displays the background data on the output device. [Reference numerals] (AA) Refrigerant 1; (b210) Model information; (b220) Type; (b230) Product assembly; (b240) Site information; (b250) Connecting place; (BB) Refrigerant 2; (CC) Refrigerant 3; (DD) Name of a specialty store; (EE) Model name; (FF) Installer name; (GG) Site name; (HH) Outdoor unit model 1; (II) Outdoor unit model 2; (JJ) Outdoor unit model 3; (KK) Indoor unit model 1; (LL) Indoor unit model 2; (W110) Diagnostic program