OEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TFACCY50HJ484260

This is the genuine OEM Carrier Economizer Control Board Kit (part# HH63AW001), the factory-specified replacement for the Carrier TFACCY50HJ484260 commercial packaged rooftop unit. The DCV (Demand Controlled Ventilation) economizer control board serves as the intelligence center of the unit's economizer assembly — continuously monitoring outdoor air conditions, CO₂ levels, and enthalpy to optimize the blend of outside and return air. When this board fails, common symptoms include the economizer damper stuck open or closed, loss of demand-controlled ventilation, fault codes related to the economizer circuit, degraded indoor air quality, and increased energy consumption as the system can no longer take advantage of free-cooling conditions.

• OEM Part Number: HH63AW001 | Cross-reference: W7212A1017 | Factory Authorized Carrier replacement part
• Specs: 120V | 60Hz | DCV (Demand Controlled Ventilation) compatible | Dimensions approx. 4" × 4" × 2" | Weight: 1 lb | All inputs Class 2
• OEM vs Generic: This is a genuine Carrier factory-authorized board engineered to exact tolerances for the TFACCY50HJ484260. OEM boards ensure proper DCV calibration, correct fault code communication, and full compatibility with the unit's integrated controls — critical for commercial applications where energy codes and IAQ compliance are mandatory.
• Install Difficulty: 3/5 — Requires disconnecting 24V control wiring and multiple sensor leads. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and wiring diagram. Always de-energize the unit at the disconnect before servicing. Photograph all wiring connections before removal. Professional installation recommended.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered as a direct OEM fit for the Carrier TFACCY50HJ484260 commercial rooftop packaged unit. Also cross-references W7212A1017. Verify your existing board's part number against HH63AW001 before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you purchase — contact us today and get your system back online fast.