{"product_id":"carrier-tchc1850he401026-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TCHC1850HE401026","description":"\u003ch1\u003eOEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TCHC1850HE401026\u003c\/h1\u003e\u003cp\u003eThis is a genuine OEM Carrier Factory Authorized Part — the \u003cstrong\u003eHH63AW001 DCV Economizer Control Board Kit\u003c\/strong\u003e — engineered as the factory-specified replacement for the \u003cstrong\u003eCarrier TCHC1850HE401026\u003c\/strong\u003e commercial rooftop unit. The economizer control board is the intelligence center of your unit's free-cooling system: it continuously monitors outdoor air enthalpy and CO₂ (DCV) sensor inputs, then modulates the economizer damper to maximize the use of outdoor air for cooling while minimizing compressor runtime. When this board fails, symptoms include erratic or stuck damper positioning, loss of demand-controlled ventilation response, fault codes related to the economizer circuit, or complete free-cooling lockout — all of which drive up energy costs and can trigger code-compliance failures in commercial applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Specs:\u003c\/strong\u003e OEM Part # HH63AW001 | Cross-reference: W7212A1017 | Input Voltage: 120V \/ 60Hz | Dimensions: ~4\" × 4\" × 2\" | Weight: 1 lb | Factory Authorized Parts (FAP) designation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The HH63AW001 is a genuine Carrier Factory Authorized Part with firmware and calibration matched to the TCHC series RTU. Third-party boards may lack DCV logic compatibility, risking damper over-travel, ventilation code violations, or premature board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect all power before servicing. Tools needed: ¼\" and 5\/16\" nut drivers, needle-nose pliers, multimeter, and a laptop with Carrier service software if DCV re-commissioning is required. Document and photograph all low-voltage wiring terminations before removal. Re-commissioning the economizer sequence post-install is strongly recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. Ships same business day from our warehouse in original Carrier factory packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the Carrier \u003cstrong\u003eTCHC1850HE401026\u003c\/strong\u003e commercial rooftop unit. Cross-references OEM part W7212A1017. Verify your unit's data plate and existing board label match part number HH63AW001 before ordering. Have a question about fitment? Our HVAC parts team confirms compatibility before you buy — reach out today and we'll get you the right part, fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640278897011,"sku":"CARRIE-TCHC1850HE401026-CONTROL_BOARD-HH63AW001","price":337.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640278929779,"sku":"CARRIE-TCHC1850HE401026-CONTROL_BOARD-HH63AW001-GEN","price":297.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_5474950c-96a2-4e8a-8489-422721ca4a6f.jpg?v=1775028964","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc1850he401026-control-board-11kz9v","provider":"National HVAC Parts","version":"1.0","type":"link"}