{"product_id":"carrier-tchc1850he401028-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TCHC1850HE401028","description":"\u003ch1\u003eOEM Carrier Economizer Control Board Kit HH63AW001 for Model TCHC1850HE401028\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement \u003cstrong\u003eEconomizer Control Board Kit (Part # HH63AW001)\u003c\/strong\u003e for the \u003cstrong\u003eCarrier TCHC1850HE401028\u003c\/strong\u003e commercial packaged unit. The economizer control board manages the outdoor air damper actuator, enthalpy\/dry-bulb sensors, and free-cooling logic that allows the unit to use outside air for cooling when conditions are favorable — reducing compressor runtime and energy costs. When this board fails, symptoms typically include a damper stuck in the fully open or fully closed position, loss of free-cooling operation, active economizer fault codes on the thermostat or DDC controller, or erratic damper hunting during operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Kit Part # HH63AW001 | Factory-matched to Carrier TCHC1850HE401028 commercial rooftop\/packaged unit | Includes control board and all required mounting hardware | Compatible with Carrier's integrated economizer assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — pre-configured with the exact firmware, logic thresholds, and I\/O mapping for the TCHC1850HE401028. Aftermarket boards frequently require manual calibration, lack enthalpy curve matching, and may void equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires safe lockout\/tagout of the unit before access. Tools needed: 1\/4\" and 5\/16\" nut drivers, flathead screwdriver, multimeter, wiring diagram (refer to unit's service manual). Photograph all low-voltage wiring connections before disconnecting. Recommend testing damper actuator independently before condemning the board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty on parts. Orders placed by 3 PM local time ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier TCHC1850HE401028\u003c\/strong\u003e commercial packaged unit with factory-installed economizer. Always cross-reference the part number on your existing board's label before ordering. Need fitment confirmation? Our HVAC parts specialists are available to verify compatibility before you buy — same-day shipping guaranteed on in-stock orders.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640278765939,"sku":"CARRIE-TCHC1850HE401028-CONTROL_BOARD-HH63AW001","price":206.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640278798707,"sku":"CARRIE-TCHC1850HE401028-CONTROL_BOARD-HH63AW001-GEN","price":181.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_9d051eae-41e0-4577-888b-056dcd69ad85.jpg?v=1775028970","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc1850he401028-control-board-11kz9v","provider":"National HVAC Parts","version":"1.0","type":"link"}