{"product_id":"micro-air-unity-control-board-dometic-u-board-replacement-501-09-bl","title":"Micro-Air Unity Control Board – Dometic U Board Replacement – 501-09-BL","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMicro-Air Unity Control Board\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a direct, drop-in replacement for compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDometic® “U” board marine HVAC control systems\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e manufactured from approximately 2016 to present. It is designed to replace the existing U-style control board while retaining compatibility with supported displays and sensors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Unity Control Board supports \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCruisair® TSEP sensors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and original \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMarine Air® sensors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it a versatile replacement solution for many marine air conditioning systems using the Dometic U-board platform.\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 Unity Control Board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 501-09-BL \/ ASY-501-09-BL\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\u003eReplacement Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Direct Drop-In Control Board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned For:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compatible Dometic® U Board Systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eApplicable Production:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 2016 to Present\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSensor Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cruisair® TSEP Sensors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMarine Air Sensor Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDisplay Connections:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 6-Pin and 8-Pin Display Interfaces\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvailable Configurations:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Standard Board or Standard Board in Metal Enclosure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eDirect Replacement for Dometic U Board Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Unity Control Board is intended for Dometic U-board systems with boards measuring approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5.3\" x 4.6\"\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, mounting holes approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.7\" x 3.75\" apart\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, red, white, and blue connectors located near the corner of the board, 6-pin and 8-pin display connections, and nine-position screw-terminal blocks.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBroad Marine HVAC Display Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDepending on the existing system configuration, the Unity platform supports several Micro-Air, Cruisair, Marine Air, and Dometic display families, including compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEasyTouch OEM, SMXir, SMXII-AB, SMX-ht, Passport I\/O, Passport Elite, Smart Touch, and Cap Touch\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e displays.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Compatibility Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePassport I\/O and Passport II control boards may have a similar physical footprint but \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eare not automatically interchangeable with the Unity Control Board\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Connector configuration and the existing board design should be verified before ordering. Micro-Air recommends its 400-IO product for many Passport I\/O applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Unity Control Board also replaced certain Cruisair SMXII and Q-Logic systems in regular production beginning around 2017; however, it is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot a direct drop-in replacement for older SMXII or Q-Logic electrical boxes that were manufactured without U boards\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause this is designed as a drop-in replacement, Micro-Air advises referring to the original equipment manufacturer's documentation for wiring configuration. Some software settings may also need to be adjusted to match the previous control board.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease verify the existing control board number, connector configuration, dimensions, display type, and HVAC system model before ordering. Contact us with photos of your existing board and equipment information if you need assistance confirming compatibility.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Micro-Air","offers":[{"title":"Default Title","offer_id":67626839179373,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/501-09-BL-CAN_1024x1024_2x_ab1aacd0-d0dd-4542-9554-1af7ef70f0ef.webp?v=1791072102","url":"https:\/\/willardshvacsupply.com\/products\/micro-air-unity-control-board-dometic-u-board-replacement-501-09-bl","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}