OEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TCHC1850HE403349

This is a genuine OEM Carrier Economizer Control Board Kit (part #HH63AW001), factory-specified for the Carrier TCHC1850HE403349 commercial packaged rooftop unit. The economizer control board is the intelligence center of the unit's demand-controlled ventilation (DCV) system — it continuously monitors outdoor air conditions and modulates the economizer damper to blend the optimal ratio of outdoor and recirculated air. When this board fails, common symptoms include stuck-open or stuck-closed dampers, loss of demand-controlled ventilation, increased energy consumption, fault codes on the thermostat or BMS, and degraded indoor air quality (IAQ) in the conditioned space.

• Specs: OEM Part # HH63AW001 | Cross-reference: W7212A1017 | Input voltage: 120V / 60Hz | Dimensions: approx. 4" × 4" × 2" | Weight: 1 lb | Class 2 inputs | Factory Authorized Parts — Carrier Corporation
• OEM vs Generic: This is a genuine Carrier Factory Authorized Part, manufactured to exact OEM tolerances. Generic or aftermarket control boards often lack proper firmware calibration for Carrier DCV sequences, risking damper hunting, incorrect free-cooling lockout temperatures, and potential ASHRAE 62.1 compliance failures.
• Install difficulty: 3/5 — Disconnect and lock out power before beginning. Document all wiring connections with photographs before removing the old board. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 120V supply and 24V control circuit). Commercial rooftop application — follow all applicable electrical codes. Professional installation recommended.
• Warranty: 1-year OEM manufacturer warranty. In-stock and ships same business day from our warehouse.

Compatibility: Designed for the Carrier TCHC1850HE403349 commercial rooftop unit. Cross-references OEM part numbers HH63AW001 and W7212A1017. Verify your unit's data plate and existing board part number before ordering. Not sure it fits? Contact our expert parts team — we confirm fitment before you buy. Order now and receive same-day shipping on in-stock inventory.