{"product_id":"liebert-154243p1s","title":"Liebert 154243P1S Control Board","description":"\u003cp\u003eThe \u003cstrong\u003eLiebert 154243P1S Control Board\u003c\/strong\u003e, also identified as the \u003cstrong\u003eSGH Humidifier Control PCB\u003c\/strong\u003e, is a critical \u003cstrong\u003eOEM replacement part\u003c\/strong\u003e engineered specifically for \u003cstrong\u003eLiebert Mini-Mate2\u003c\/strong\u003e precision cooling systems. This high-precision \u003cstrong\u003eHVAC internal circuit board\u003c\/strong\u003e manages complex humidification cycles and environmental monitoring within 2-ton to 8-ton evaporator units, including \u003cstrong\u003eR-407C\u003c\/strong\u003e and chilled water configurations. Designed for seamless integration with \u003cstrong\u003eVertiv Liebert thermal management\u003c\/strong\u003e hardware, this board ensures the precise execution of control algorithms required for data center and telecommunications infrastructure. Technicians should verify \u003cstrong\u003einput voltage compatibility\u003c\/strong\u003e (typically 208\/230V or 277V depending on the specific SFA) before installation. This robust \u003cstrong\u003emicroprocessor control board\u003c\/strong\u003e maintains system stability by regulating the humidifier assembly and interfacing directly with wall-mounted LCD displays, providing reliable signaling for high-limit safety switches and internal diagnostics. Utilizing authentic \u003cstrong\u003eLiebert replacement parts\u003c\/strong\u003e like the 154243P1S preserves the calibrated performance and \u003cstrong\u003eoperational efficiency\u003c\/strong\u003e of high-density cooling environments while minimizing unexpected downtime caused by generic component failure.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsures direct \u003cstrong\u003eOEM compatibility\u003c\/strong\u003e with \u003cstrong\u003eLiebert Mini-Mate2\u003c\/strong\u003e 2-ton, 3-ton, 5-ton, and 8-ton systems.\u003c\/li\u003e\n  \u003cli\u003eOptimized for \u003cstrong\u003eprecision cooling\u003c\/strong\u003e applications in sensitive environments like server rooms and medical labs.\u003c\/li\u003e\n  \u003cli\u003eSupports integrated \u003cstrong\u003ehumidifier control\u003c\/strong\u003e and sensor communication for accurate RH management.\u003c\/li\u003e\n  \u003cli\u003eRobust \u003cstrong\u003eindustrial-grade construction\u003c\/strong\u003e designed to withstand continuous 24\/7 duty cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 154243P1S compatible with both air-cooled and water-cooled Mini-Mate2 units?\u003c\/strong\u003e\u003cbr\u003e\nYes, this \u003cstrong\u003eSGH control board\u003c\/strong\u003e is designed to function across the Mini-Mate2 product line, including air-cooled, water\/glycol, and chilled water models, provided the unit supports the SG kit configuration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat are the signs that a Liebert humidifier control board needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nCommon indicators include humidifier \"fail to strikes,\" loss of communication with the wallbox display, or the inability of the \u003cstrong\u003eprecision cooling unit\u003c\/strong\u003e to maintain programmed humidity setpoints.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use this board for 460V primary systems?\u003c\/strong\u003e\u003cbr\u003e\nWhile the board itself operates on specific control voltages, it is utilized in units across multiple primary voltages; however, technicians must reference the \u003cstrong\u003eLiebert electrical schematic\u003c\/strong\u003e to ensure the onboard transformer and secondary circuits match the 154243P1S specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"color: red;\"\u003eThis item is not eligible for free shipping.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Liebert","offers":[{"title":"Default Title","offer_id":44970359390386,"sku":"154243P1S","price":4623.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_47a3dc0f-b829-4a0f-8e75-d99714c3555c.png?v=1747955408","url":"https:\/\/www.gsistore.com\/en-ca\/products\/liebert-154243p1s","provider":"GSIstore","version":"1.0","type":"link"}