Compact assembled air conditioner

The invention discloses a compact assembled air conditioner capable of realizing a unit configuration scheme of one unit for use and one unit for standby. Two sets of air conditioning units can operate completely independently. A structural frame of the assembled air conditioner is optimized, compressors of two sets of units are arranged on a bottom frame of a cabinet body, a centrifugal fan, an evaporator and the like are arranged on a middle-layer frame, and an air-cooled condenser, a cooling fan and the like are arranged on the top of the cabinet body; the motor of the refrigeration compressor adopts a direct and unloading combined starting mode, the starting current is small, the process is short, the method is suitable for frequent starting and stopping of automatic operation, the energy adjusting function is achieved, and operation energy consumption is saved; operation and maintenance spaces are arranged on the periphery of the assembled air conditioner cabinet body, daily maintenance and troubleshooti