Description CARRIER Fan Auxiliary Board 32GB500432E The Carrier Fan Auxiliary Board is typically a component used in Carrier HVAC systems, particularly in fan coil units, to manage auxiliary functions such as fan speed control, safety interlocks, and system diagnostics. General Features & Functions Multi-Tap ECM Motor Control: The fan coils use electronically commutated motors (ECM) for energy efficiency and variable speed control. Installation Flexibility: Units are designed for upflow, downflow (with a kit), and horizontal orientations, suitable for various housing types including manufactured and mobile homes. Electrical Integration: The board interfaces with both line voltage and 24V control systems. Diagnostics & Safety: Includes features like flash code diagnostics, dissipation system self-tests, and airflow checks to ensure proper operation
