Airedale OnRak 3kW 35kW - Manual (Page 39)

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™ OnRak
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Technical, Installation and Maintenance Manual :6912497 V1.5.0 02_2013
Rack Sealing The rack must be sealed so that air does not bypass the servers. The racks must not
have any ventilation holes such as a perforated roof.
Any space within the server racks that are redundant must be sealed with blanking panel
(usually supplied in 1U and 2U).
The heat leaving the servers must be sensed by the OnRak to ensure correct operation.
Figure 1 Wrong Cabinet not sealed Figure 2 Right Cabinet sealed
CAUTION Any air bypass will reduce the efficiency of the unit and may cause overheating of
the server racks due to the OnRak not detecting the cooling demand.
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