Industrial 6400-0808-01 Control Board Assembly

The Industrial 6400-0808-01 Control Board Assembly is an OEM replacement Printed Circuit Control Board (PCB Assembly) from Trane / American Standard designed for commercial HVAC systems. It processes control logic, monitors inputs, and coordinates compressors, fans, relays, and auxiliary equipment to ensure reliable operation in commercial chillers, rooftop units, and other HVAC panels. Board revisions are Rev. B for 6400-0808-01 and Rev. D for 6400-0809-02, and it is intended for internal panel mounting as an OEM replacement in Trane and American Standard commercial HVAC equipment. The unit provides compressor and fan control, relay output processing, and system protection to support equipment sequencing and building automation in commercial buildings, central chillers, rooftop units, and industrial cooling applications.