Carrier HH84AA021 Control Board

The Carrier HH84AA021 Control Board deals with the interaction of different electrical elements and regulates the signals to make sure, that the system works in accordance with the established parameters. It receives signals of the sensors and switches and processes them to drive outputs such as motors, fans, and relays. This electronic module is installed in the main control compartment and provides a central control over the operation of the unit and is directly connected to the wiring harness. Its design enables it to blend with other parts and be a focal point of coordination of operations.