Outside air enters through an intake equipped with an outside air damper and a V-filter section with a differential pressure sensor. Return air from the hot ceiling mixes into the airstream before passing through a cooling section with a bypass damper and a direct evaporative cooler. The conditioned air then flows through a non-return air damper and a supply air fan array before being delivered to the data hall. A relief air damper connects to an exhaust fan extending through the roof.
OUTSIDE AIR INTAKE V-FILTER SECTION OUTSIDE AIR DAMPER RETURN AIR FROM HOT CEILING COOLING SECTION BYPASS DAMPER DIRECT EVAP COOLER NON-RETURN AIR DAMPER SUPPLY AIR FAN ARRAY SUPPLY AIR TO DATA HALL ROOF RELIEF AIR DAMPER M M M M DP EF
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