{ "item_title" : "Data Center Mep Design Review Series Crah & Crac Design Review Checklist", "item_author" : [" Charles Nehme "], "item_description" : "Computer Room Air Handler (CRAH) and Computer Room Air Conditioner (CRAC) units are the workhorses of data center cooling. Whether chilled-water CRAHs served by a central plant or self-contained DX CRACs with integral compressors, these units determine whether IT equipment sees stable inlet temperature and humidity - or whether it doesn't. A poorly specified or poorly commissioned unit can undermine an otherwise well-engineered mechanical system.This checklist is built for use at three points in a project: design review (does the specification and layout make sense before it is built), factory/field acceptance (does the equipment as delivered match the design intent), and operational readiness (is the unit ready to be trusted with a live load). Each chapter maps to one of nine review domains that recur across nearly every CRAH/CRAC deployment, regardless of manufacturer.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/9/79/819/082/9798190821017_b.jpg", "price_data" : { "retail_price" : "49.99", "online_price" : "49.99", "our_price" : "49.99", "club_price" : "49.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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