OEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TFACCY48TM480040

This is the genuine OEM Carrier Factory Authorized Part HH63AW001 — the DCV (Demand Controlled Ventilation) Economizer Control Board Kit, factory-specified for the Carrier TFACCY48TM480040 commercial rooftop unit. The economizer control board serves as the intelligence hub of your unit's free-cooling system: it continuously monitors outdoor air enthalpy or dry-bulb temperature, compares it against return-air conditions, and modulates the outdoor air damper to maximize energy-free cooling whenever conditions allow. When this board fails, symptoms include erratic or stuck damper positioning, loss of DCV signal response, fault codes on the unit controller, and degraded indoor air quality from uncontrolled ventilation.

• 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 | Factory Authorized Carrier Replacement Components Division
• OEM vs Generic: This is a genuine Carrier Factory Authorized Part — not an aftermarket substitute. OEM boards are pre-configured with factory firmware, calibrated DCV thresholds, and exact connector pinouts. Aftermarket boards may require manual reconfiguration or cause controller communication errors.
• Install Difficulty: 3/5 — Requires lockout/tagout of the rooftop unit before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, multimeter, wiring diagram (provided in unit service manual). Photograph all wiring harness connections before disconnecting. Improper installation of electrical control boards may void equipment warranty.
• Warranty: 1-year OEM factory warranty through Carrier's Replacement Components Division. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Engineered as the direct OEM replacement for Carrier model TFACCY48TM480040 commercial packaged rooftop equipment. Also cross-references Honeywell W7212A1017. Verify your existing board's part number on the label before ordering — the board label will show HH63AW001 or the W7212A1017 cross-reference. Questions about fitment? Our HVAC parts specialists verify compatibility before you order — contact us today and ship the same day.