OEM Carrier Fan Blower Control Board Kit 322848-751 for Model FC4BNF036005AAAA

This OEM fan blower control board kit (part number 322848-751) is the factory-specified replacement for the Carrier FC4BNF036005AAAA fan coil air handler. The integrated fan coil controller (IFC) manages blower motor speed sequencing, thermostat signal interpretation, and system timing for both heating and cooling calls. When this board fails, common symptoms include the blower refusing to start, running continuously regardless of thermostat demand, erratic multi-speed operation, or a complete system lockout with no response to any thermostat signal.

• Specs: OEM part number 322848-751 | Factory fan blower control board kit | Designed for Carrier FC4BNF036005AAAA fan coil air handler | Includes all hardware and connectors as a complete kit for drop-in replacement
• OEM vs Generic: This is a genuine OEM Carrier board programmed to exact factory firmware and timing parameters. Aftermarket boards may lack model-specific motor speed profiles, resulting in improper airflow, reduced efficiency, and potential compressor damage from mismatched static pressure delivery.
• Install difficulty: 3/5 — Disconnect power at the breaker and confirm zero voltage with a multimeter before beginning. Tools needed: Phillips and flathead screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring harness connections before disconnecting. The complete kit format simplifies reinstallation with matched connectors.
• Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship same business day from our climate-controlled HVAC parts warehouse.

Compatibility: Engineered specifically for the Carrier FC4BNF036005AAAA fan coil air handler. Always verify your unit's model and serial number on the data plate and cross-reference OEM part number 322848-751 before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before your order ships — no guesswork, no returns hassle.