OEM Carrier Economizer Control Board Kit HH63AW001 for Model SPACCY50SD400625

This is a genuine OEM Carrier Economizer Control Board Kit (part# HH63AW001), factory-specified for the Carrier SPACCY50SD400625 commercial packaged rooftop unit. The economizer control board is the intelligence center of the unit's demand-controlled ventilation (DCV) system — it continuously monitors indoor CO₂ levels and outdoor air conditions, then signals the economizer damper actuator to modulate the fresh air intake accordingly. When this board fails, symptoms include stuck-open or stuck-closed damper operation, fault codes related to economizer malfunction, erratic or uncontrolled outside air mixing, and reduced indoor air quality compliance in commercial settings.

• Specs: 120V | 60 Hz | DCV (Demand-Controlled Ventilation) compatible | Cross-references: W7212A1017 | Dimensions approx. 4" × 4" × 2" | Weight: 1 lb
• OEM vs Generic: This factory-authorized OEM board is pre-configured to Carrier's exact firmware and signal tolerances for the SPACCY50SD400625 platform. Aftermarket boards may require manual calibration and carry a significantly higher risk of damper over-travel, CO₂ sensor miscommunication, or premature failure.
• Install Difficulty: 3/5 — Commercial rooftop application. Requires rooftop access, lockout/tagout of unit power, and familiarity with low-voltage control wiring. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, wiring labels. Photograph all wiring connections before disconnecting. Recommend two-person crew for rooftop safety.
• Warranty: 1-year OEM factory warranty against defects. Ships same business day from our climate-controlled warehouse. Note: Electrical control boards are non-returnable once installed — please verify model and part number before ordering.

Compatibility: Engineered as a direct OEM replacement for the Carrier SPACCY50SD400625 commercial packaged rooftop unit. Also cross-references Honeywell W7212A1017. Verify your unit's data plate and existing board label before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you order if you have any questions. In stock and ships today from NationalHVACParts.com.