{"product_id":"carrier-tchc1850he401022-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TCHC1850HE401022","description":"\u003ch1\u003eOEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TCHC1850HE401022\u003c\/h1\u003e\u003cp\u003eThis is a genuine OEM Carrier Factory Authorized Part (HH63AW001), the direct factory-specified replacement economizer control board kit for the \u003cstrong\u003eCarrier TCHC1850HE401022\u003c\/strong\u003e commercial rooftop unit. The economizer control board serves as the intelligence center of your unit's economizer system — continuously monitoring outdoor air conditions via CO₂ and enthalpy sensors, modulating the outdoor air damper, and managing demand-controlled ventilation (DCV) to maximize energy efficiency and indoor air quality. When this board fails, the economizer may lock in a fixed damper position, trigger ventilation fault codes, fail to respond to CO₂ demand signals, or cause the unit to run inefficiently by conditioning unnecessary outdoor air.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part# HH63AW001 | Cross-reference: W7212A1017 | Input Voltage: 120V \/ 60Hz | All inputs Class 2 rated | Dimensions: approx. 4\" × 4\" × 2\" | Weight: 1 lb | Factory Authorized Parts — Carrier Corporation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM board is pre-configured and firmware-matched to Carrier's DCV economizer logic. Aftermarket substitutes may lack proprietary sensor calibration routines, leading to persistent fault codes or inaccurate damper modulation that defeats energy savings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Commercial RTU board swap. Requires disconnecting 24V and 120V control wiring — label or photograph all terminals before removal. Tools needed: ¼\" and 5\/16\" nut drivers, needle-nose pliers, multimeter. De-energize unit and verify zero voltage before handling. CO₂ sensor recalibration may be required post-installation per unit service manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty on parts. Ships same business day from our stocked warehouse — no waiting on special orders.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Directly fits Carrier model \u003cstrong\u003eTCHC1850HE401022\u003c\/strong\u003e commercial packaged rooftop unit with DCV economizer configuration. Also cross-references Honeywell W7212A1017. Always verify your existing board's part number label before ordering. Our HVAC parts specialists are available to confirm fitment — reach out before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640279552371,"sku":"CARRIE-TCHC1850HE401022-CONTROL_BOARD-HH63AW001","price":325.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640279585139,"sku":"CARRIE-TCHC1850HE401022-CONTROL_BOARD-HH63AW001-GEN","price":286.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_ff65c8c0-0060-4920-a1c1-c4fe3f9b282a.jpg?v=1775028957","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc1850he401022-control-board-11kz9v","provider":"National HVAC Parts","version":"1.0","type":"link"}