{"product_id":"carrier-tchc1850he401020-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TCHC1850HE401020","description":"\u003ch1\u003eOEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TCHC1850HE401020\u003c\/h1\u003e\u003cp\u003eThis is a genuine OEM Carrier \u003cstrong\u003eDCV (Demand-Controlled Ventilation) Economizer Control Board Kit\u003c\/strong\u003e, part number \u003cstrong\u003eHH63AW001\u003c\/strong\u003e, factory-specified for the Carrier \u003cstrong\u003eTCHC1850HE401020\u003c\/strong\u003e commercial rooftop unit. The economizer control board is the command center for your unit's free-cooling and ventilation strategy — it continuously monitors outdoor air conditions, interprets CO₂ or dry-bulb sensor signals, and modulates the economizer damper to maximize energy savings while maintaining indoor air quality. When this board fails, you may experience symptoms such as the economizer damper stuck open or closed, loss of free-cooling mode, HVAC system lockout faults, erratic damper hunting, or complete loss of DCV functionality in occupied spaces.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH63AW001 | Cross-reference: W7212A1017 | Factory Authorized Carrier Replacement Components Division\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This genuine Carrier OEM board is pre-configured to factory control logic and communication protocols. Third-party boards often require manual parameter setup and may lack compatibility with your RTU's BACnet or proprietary sensor inputs, risking repeat failures or warranty voidance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires de-energizing the rooftop unit at the disconnect and safely labeling all low-voltage wiring harnesses before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and laptop or controller if sensor re-commissioning is required post-install. Recommend verifying CO₂ sensor and actuator operation after board replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty through Carrier. Ships same business day from our warehouse in original factory packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the direct factory replacement for Carrier model \u003cstrong\u003eTCHC1850HE401020\u003c\/strong\u003e commercial rooftop units equipped with the DCV economizer option. Also cross-references Honeywell\/Resideo W7212A1017. Verify your existing board's part number label before ordering — if you have questions, our HVAC parts specialists confirm fitment before you buy. \u003cstrong\u003eOrder now and ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640279716211,"sku":"CARRIE-TCHC1850HE401020-CONTROL_BOARD-HH63AW001","price":375.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640279748979,"sku":"CARRIE-TCHC1850HE401020-CONTROL_BOARD-HH63AW001-GEN","price":330.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_7fb3ed61-bcc3-4cd3-950e-0397835a463f.jpg?v=1775028954","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc1850he401020-control-board-11kz9v","provider":"National HVAC Parts","version":"1.0","type":"link"}