Universal A/C Control System Board QD-U03C+ with Auto Restart

Complete universal control system board for conventional air conditioners, model QD-U03C+. It features an Auto Restart function, 5 working modes, 3 fan speeds, auto defrost, and double sensors (temperature and defrost). The package includes the main PCB, a digital remote control, a power transformer, a display receiver board, sensors, and quick-connect terminals. It ensures easy installation with an upgraded fast-plug socket for the transformer.

This specific spare part is designed exclusively for conventional (On-Off) air conditioners. It is not compatible with modern Inverter-technology air conditioners. It can be installed in wall-mounted units (split systems) of any brand (universal application), controlling the compressor, condenser fan, evaporator fan, and reversing valve.