Original Daikin VRV X Cassette Indoor Main PCB Circuit Board with PCB Part No. EC15005-7(C) and VB-285-101B. Suitable for compatible Daikin VRV X cassette indoor units. This indoor control PCB manages communication, fan motor control, sensors, and overall indoor unit operation. Professionally tested before dispatch and ideal for PCB replacement, repair, and HVAC service applications.