Mitsubishi VRF City Multi Outdoor Main Control Mother PCB Board KE95B660B / KE768661602 MAIN07-BOARD is an original replacement PCB designed for Mitsubishi City Multi VRF outdoor units. It controls compressor operation, inverter communication, outdoor fan operation, safety protection, and system communication for reliable VRF performance. Suitable for professional repair and replacement applications. Compatible with Mitsubishi City Multi VRF systems.