OEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TFACCY48TM482635

This is a genuine OEM Carrier Economizer Control Board Kit (part number HH63AW001), factory-specified for the Carrier TFACCY48TM482635 commercial packaged unit. The economizer control board is the dedicated intelligence module that manages the unit's economizer damper system — continuously reading outdoor air temperature and enthalpy sensors to determine when free cooling is available and commanding the damper actuator accordingly. When this board fails, symptoms typically include erratic or stuck damper positioning, economizer fault codes on the unit controller, failure to enter economizer mode during favorable outdoor conditions, or complete economizer lockout that forces the compressors to carry the full load and spikes energy costs.

• Part Specs: OEM Part # HH63AW001 | Cross-reference: W7212A1017 | Input voltage: 120V / 60Hz | Dimensions: approx. 4" × 4" × 2" | Weight: 1 lb | All inputs Class 2 rated
• OEM vs Generic: This factory-authorized Carrier board is pre-configured for DCV (Demand Controlled Ventilation) logic and exact damper actuator signal ranges. Aftermarket boards may require re-calibration or may not support full DCV sequencing, risking code non-compliance on commercial systems subject to ASHRAE 62.1 ventilation standards.
• Install Difficulty: 3/5 — Economizer board replacement is a commercial-grade repair. Power down and lock out the unit before accessing the economizer control compartment. Tools needed: flathead and Phillips screwdrivers, wire labeling tape, multimeter. Photograph and label all wiring harness connections before disconnecting. Re-calibration of the enthalpy sensor setpoint may be required post-installation. Recommended for trained HVAC technicians.
• Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our stocked warehouse — no waiting on back-orders.

Compatibility: Engineered as a direct OEM drop-in replacement for the Carrier TFACCY48TM482635 commercial packaged rooftop unit. Also cross-references to W7212A1017 for Bryant and Payne DCV economizer applications. Verify your existing board's part number and input voltage before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you order if you have any questions.