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Level 01f
Cooling recommendations for the room
The following illustration does not represent any particular server machine type, and is intended only to
show hot and cold airflow and the arrangement of server aisles on the raised floor.
A typical zEC12 uses chilled air, provided from under the raised floor, to cool the system. As shown
below, rows of servers must face front-to front. Chilled air is usually provided through perforated floor
panels placed in rows between the fronts of servers (the cold aisles shown in the figure). Perforated tiles
generally are not placed in the hot aisles. (If your particular computer room causes the temperature in the
hot aisles to exceed limits of comfort for activities like system service, you may add as many perforated
tiles as necessary to create a satisfactory comfort level.) Heated exhaust air exits the computer room
above the computing equipment.
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zEC12 IMPP
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