Daikin Main PCB 5020991

Genuine Daikin main control PCB assembly for EHBH and EHBX series hydrobox air-to-water heat pump systems. It manages the central control logic, communication between internal modules, and system safety monitoring.

Product Details

• Part number: 5020991
• Type: Main control PCB assembly
• Brand: Daikin
• Function: Interprets sensor data, manages heating/pump/domestic hot water cycles, communicates with the outdoor unit inverter, user interface and safety sensors, and logs faults and alarms

Compatibility

• EHBH11CB3V, EHBH11CB9W, EHBH16CB3V, EHBH16CB9W (EHBH Series Indoor Hydrobox)
• EHBX11CB3V, EHBX11CB9W, EHBX16CB3V, EHBX16CB9W (EHBX Series New Gen Hydrobox)

Ensure static-safe handling during installation and match cable harnesses and sensor ports exactly to avoid miswiring. Check the board code and connector layout against your existing PCB before ordering.