Before changing an enclosure cooling system, establish the cause of overheating, the conditions around the cabinet and the utilities available on site. Restoring the existing cooler may be enough; in other cases, a different cooling method or a separate chilled-water supply may be needed.
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Cabinet dimensions may be agreed before cable entries and cooling equipment are positioned. If a cooling unit moves later, the cut-out drawing may need to change, and maintenance access may become restricted. Before ordering, the purchaser and the team responsible for the cabinet layout need to se...