OEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TFACCY50HJ484263

This is a genuine OEM Carrier Economizer Control Board Kit (part number HH63AW001), the factory-specified replacement for the Carrier TFACCY50HJ484263 commercial packaged rooftop unit. The economizer control board serves as the brain of the unit's demand-controlled ventilation (DCV) system — continuously monitoring outdoor air quality and enthalpy conditions, modulating the outdoor air damper, and coordinating free-cooling sequences to reduce mechanical cooling load. When this board fails, you may experience a stuck-open or stuck-closed damper, loss of free-cooling operation, DCV fault codes, or complete economizer lockout, all of which can trigger code compliance issues and spike energy costs in commercial settings.

• Specs: Carrier OEM Part# HH63AW001 | Cross-reference: W7212A1017 | Operating Voltage: 120V / 60Hz | Dimensions: approx. 4" × 4" × 2" | Weight: 1 lb | Factory Authorized Part — direct drop-in replacement, no field modifications required
• OEM vs Generic: This factory-authorized OEM board is pre-programmed with Carrier's exact DCV logic and enthalpy setpoints for the TFACCY50HJ484263 platform. Generic or aftermarket boards often require manual configuration, may lack DCV CO₂ sensor inputs, and can void remaining equipment warranties.
• Install Difficulty: 3/5 — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and a laptop or tablet for fault-code verification post-installation. Label all wiring harness connections before removal. Recommend a licensed commercial HVAC technician for this repair.
• Warranty: 1-year OEM factory warranty on parts. Ships same business day from our warehouse in original Carrier factory packaging.

Compatibility: Engineered as the direct OEM replacement for Carrier model TFACCY50HJ484263 commercial rooftop units equipped with a DCV economizer. Cross-references Honeywell W7212A1017. Also fits select Bryant and Payne commercial RTU platforms — verify your unit's data plate and existing board part number before ordering. Our team is available to confirm fitment prior to purchase. Order now for same-day shipping — in stock and ready to go.