Overview The Universal PC Board QD-U02C is a versatile and reliable AC control system designed for both inverter and non-inverter split air conditioners. Built with advanced Qunda controller technology, this universal PCB offers strong compatibility with a wide range of AC brands, providing stable performance, accurate temperature control, and high durability. It is an ideal replacement solution for technicians who need a dependable universal AC control board for repairing or upgrading existing systems. Key Features Compatible with multiple non-inverter and some inverter AC models Supports compressor control for efficient cooling performance Controls indoor and outdoor fan motors Accurate temperature sensing and regulation Independent fan speed control Overload and overheat protection High-quality circuit components for long life Functions Cooling mode Heating mode (if supported by AC model) Auto mode Fan speed adjustment (Low / Medium / High) Sleep mode Timer ON/OFF function Applications Split AC repair and maintenance Replacement of faulty PCBs Universal AC installation for multiple brands Upgrading old systems for better performance Benefits Cost-effective universal PCB replacement Easy installation for AC technicians Stable and reliable operation in all weather conditions Improves cooling efficiency and system performance What’s Included in the Package Main PCB (QD-U02C ) Remote control Wiring harness Temperature sensors User manual / wiring diagram Why Choose QD-U02C This universal AC controller offers a perfect balance of affordability, durability, and wide compatibility. With reliable temperature control and strong component protection, the QD-U02C ensures long-lasting performance for all supported AC units.
