{"product_id":"carrier-tchc1850he403360-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TCHC1850HE403360","description":"\u003ch1\u003eOEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TCHC1850HE403360\u003c\/h1\u003e\u003cp\u003eThis is a genuine OEM Carrier Factory Authorized Part — the \u003cstrong\u003eHH63AW001 DCV Economizer Control Board Kit\u003c\/strong\u003e — factory-specified for the \u003cstrong\u003eCarrier TCHC1850HE403360\u003c\/strong\u003e commercial rooftop unit. The economizer control board is the intelligence hub of your unit's free-cooling system: it continuously monitors outdoor air conditions via CO₂ and\/or enthalpy sensors, modulates the outdoor air damper, and enforces demand-controlled ventilation (DCV) strategies to maximize energy savings. When this board fails, you'll typically see economizer fault codes, a damper stuck fully open or fully closed, uncontrolled outside air infiltration spiking energy costs, or a complete lockout of the free-cooling cycle — all of which can result in comfort complaints and code-compliance issues in commercial environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Input Voltage: 120V | Frequency: 60Hz | Cross-Reference: W7212A1017 | Dimensions: ~4\" × 4\" × 2\" | Weight: 1 lb | All inputs Class 2 rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This Factory Authorized Carrier OEM board is pre-configured and calibrated to the exact DCV logic required by the TCHC1850HE403360. Third-party boards may lack proper CO₂ sensor input mapping and damper actuator feedback loops, risking ASHRAE 62.1 ventilation compliance failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V control wiring, CO₂\/enthalpy sensor leads, and actuator connections before swapping boards. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, wiring labels. Photograph all wiring before disconnecting. Recommend licensed commercial HVAC technician for this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM Carrier Factory Authorized Parts warranty. Ships same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM drop-in replacement for the \u003cstrong\u003eCarrier TCHC1850HE403360\u003c\/strong\u003e commercial rooftop unit economizer system. Cross-references Honeywell W7212A1017. Verify your existing board's part number label before ordering — if you need fitment confirmation, our HVAC parts specialists are available to verify compatibility before you buy. Order now and receive same-day shipping on all in-stock parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640277848435,"sku":"CARRIE-TCHC1850HE403360-CONTROL_BOARD-HH63AW001","price":366.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640277881203,"sku":"CARRIE-TCHC1850HE403360-CONTROL_BOARD-HH63AW001-GEN","price":322.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_4e5c25c4-457f-40df-ab69-bc7255a06f08.jpg?v=1775029001","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc1850he403360-control-board-11kz9v","provider":"National HVAC Parts","version":"1.0","type":"link"}