{"product_id":"s1-331-03500-000-circuit-board-kit-aoc-yhm","title":"S1-331-03500-000 CIRCUIT BOARD KIT 2 Stage Heat Pump Control","description":"\u003ch2\u003eS1-331-03500-000 CIRCUIT BOARD KIT 2 Stage Heat Pump Control,\u003cspan\u003e AOC YHM\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003eOEM Defrost \/ Control Board Kit for Heat Pump Systems\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eS1‑331‑03500‑000\u003c\/strong\u003e is an OEM York‑family \u003cstrong\u003eCH16B, TH16B\u003c\/strong\u003e \u003cstrong\u003eAOC, YHM circuit board kit\u003c\/strong\u003e, used in select heat pump systems for defrost control, compressor protection, and outdoor‑unit logic. This board manages the timing, sequencing, and safety functions required for proper heat‑pump operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003cstrong\u003eThis Board has an LED diagnostic light flash codes \u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis OEM board is part of York’s outdoor‑unit control family. It governs:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDefrost cycle initiation and termination\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompressor and reversing‑valve sequencing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor‑fan control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSafety lockouts and timing delays\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSensor and thermostat signal processing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eA failing board may cause:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNo heat or no cooling\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUnit stuck in defrost\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eShort‑cycling\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor fan not running\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntermittent compressor operation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eS1‑331‑03500‑000\u003c\/strong\u003e kit is a direct‑fit replacement and installs using the factory harness and mounting pattern.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOEM York\/Coleman\/Luxaire control board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAOC\/YHM series logic platform\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManages defrost, compressor timing, and outdoor‑fan control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDirect replacement for factory board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with select heat‑pump outdoor units\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFactory‑grade PCB for durability and reliability\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neuco","offers":[{"title":"Default Title","offer_id":40445445996610,"sku":"S1-331-03500-000","price":325.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/th_10_dd30236e-c12f-4da0-ba84-6150c73193dc.jpg?v=1739506815","url":"https:\/\/hvacpartstore.com\/products\/s1-331-03500-000-circuit-board-kit-aoc-yhm","provider":"HVACpartstore","version":"1.0","type":"link"}