This customized HVAC control board is designed for fresh air ventilation, air treatment, and indoor environmental control systems. Measuring approximately 180 × 120 mm, it integrates multiple relay outputs, external sensor interfaces, and protection functions into a compact and flexible control platform.
The board supports connection to external temperature and environmental sensors and provides multiple relay outputs for controlling devices such as humidifiers, air dampers, UV sterilization lamps, and other HVAC accessories. Built-in high- and low-voltage protection helps enhance system safety and reliability.
With a flexible hardware architecture, the board can be customized according to different equipment requirements, including I/O configuration, relay functions, sensor interfaces, communication features, control logic, and PCB design.


