Overview The Universal PC Board QD-82 is a high-performance inverter control system designed for 12000–24000 BTU air conditioners. Built with advanced Qunda technology, this universal PCB supports both DC and AC compressors, indoor and outdoor fan motors, and electronic expansion valves. It is an ideal replacement solution for faulty inverter AC control boards, offering stable performance, high compatibility, and long service life. Key Features Compatible with 12000 BTU (QD82 ) and 24000 BTU (QD82U ) AC units Supports DC/AC compressor drive for efficient cooling Operates outdoor DC/AC fan motor Controls indoor DC/PG fan motor for quiet performance Electronic expansion valve (EEV) support for precise refrigerant flow Energy-efficient inverter operation Universal compatibility with many AC brands Applications Split inverter air conditioners Universal replacement PCB for faulty AC control systems Repairs and upgrades for inverter compressor units Benefits Cost-effective universal AC repair solution Improves cooling efficiency and performance Reduces energy consumption Easy installation with standard inverter wiring Included in the Package Main PCB Board Indoor & outdoor temperature sensors Remote control (optional depending on package) Wiring harness
