{"product_id":"micro-air-a-288d-control-board-cruisair-smx-ii-replacement-asy-509-x01","title":"Micro-Air A-288D Control Board – Cruisair SMX II Replacement – ASY-509-X01","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMicro-Air A-288D Control Board\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a replacement for legacy \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCruisair® SMX II marine HVAC control systems\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e used from the late 1990s through approximately 2017.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe original A-288 series is identifiable by its solder-connected five-position screw terminal block, spade-style component connections, and two six-pin connectors—one for the display and one for the temperature sensor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Micro-Air\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e A-288D Control Board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ASY-509-X01\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Marine HVAC Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eControl System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cruisair® SMX II\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReplaces:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cruisair A-288C, A-288T, and SMXII HV Boards\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReplaces Cruisair Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 42404\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReplaces Dometic Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 722300288\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBoard Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 5.0\" x 5.2\" (12.7 cm x 13.2 cm)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDisplay Connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 6-Pin\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTemperature Sensor Connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 6-Pin\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eComponent Connections:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Spade-Style Terminals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTerminal Block:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Five-Position Solder-Connected Screw Terminal Block\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReplacement Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Newly Manufactured Replacement Board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eReplacement for Legacy Cruisair Controls\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe A-288D replaces several discontinued Cruisair marine HVAC control boards, including the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eA-288C, A-288T, and SMXII HV\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlthough the original boards were known for long service life, they also developed several known failure points over time. Because of their age and role in system operation, replacement of the control board is often part of the troubleshooting and repair process on compatible Cruisair systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIdentifying Your Existing Board\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible legacy boards typically feature:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOne solder-connected five-position screw terminal block\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSpade terminals located directly behind the terminal block\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTwo six-pin connectors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOne display connection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOne temperature sensor connection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBoard dimensions of approximately 5.0\" x 5.2\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Compatibility Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAlways verify the existing control board number, board dimensions, connector arrangement, and HVAC equipment model before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease contact us with your existing board part number, equipment model number, and photos if you need assistance confirming compatibility before purchase.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Micro-Air","offers":[{"title":"Default Title","offer_id":67626843144301,"sku":null,"price":389.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/A-288_blue_Cruisair_SMX_Legacy_Control_Board_1024x1024_2x_a45a61fa-235c-4a60-94fc-16205be9761d.webp?v=1791072855","url":"https:\/\/willardshvacsupply.com\/products\/micro-air-a-288d-control-board-cruisair-smx-ii-replacement-asy-509-x01","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}