{"product_id":"carrier-tchc1850he401024-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TCHC1850HE401024","description":"\u003ch1\u003eOEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TCHC1850HE401024\u003c\/h1\u003e\u003cp\u003eThis is a genuine OEM Carrier Factory Authorized Part (HH63AW001), the factory-specified DCV Economizer Control Board Kit for the \u003cstrong\u003eCarrier TCHC1850HE401024\u003c\/strong\u003e commercial rooftop unit. The economizer control board serves as the command center for your unit's economizer system — continuously monitoring outdoor air conditions, CO₂ levels (in DCV-equipped systems), and enthalpy sensors to intelligently modulate the outdoor air damper. When this board fails, you may experience symptoms including a stuck-open or stuck-closed damper, erratic outdoor air modulation, CO₂ demand-controlled ventilation faults, loss of free-cooling capability, or fault codes related to the economizer circuit on the unit's control display.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH63AW001 | Cross-reference: W7212A1017 | Genuine Carrier Factory Authorized Parts (FAP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 120V | 60 Hz | Dimensions approx. 4″ × 4″ × 2″ | Weight: 1 lb | All inputs Class 2 rated | Designed for DCV (Demand Controlled Ventilation) economizer systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM board is pre-programmed and factory-calibrated for Carrier RTU economizer logic. Aftermarket boards may lack DCV firmware, causing improper damper sequencing, false fault codes, and potential code-compliance issues with ASHRAE 62.1 ventilation standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Commercial rooftop board replacement requires shutting down the unit, safely isolating 120V supply, and carefully documenting all wiring connections before removal. Tools needed: screwdrivers (flathead and Phillips), needle-nose pliers, multimeter, and wiring labels. Recommend a qualified commercial HVAC technician for this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the direct OEM replacement for the \u003cstrong\u003eCarrier TCHC1850HE401024\u003c\/strong\u003e commercial packaged rooftop unit. Also cross-references Honeywell W7212A1017. Verify your existing board's part number against HH63AW001 before ordering. Have questions about fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today and get your unit back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640279421299,"sku":"CARRIE-TCHC1850HE401024-CONTROL_BOARD-HH63AW001","price":375.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640279454067,"sku":"CARRIE-TCHC1850HE401024-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_943b72fa-fb44-4728-8240-56b2c4dbc015.jpg?v=1775028959","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc1850he401024-control-board-11kz9v","provider":"National HVAC Parts","version":"1.0","type":"link"}