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Active cooling<br />

(use of the ambient<br />

air)<br />

Fan systems for active cooling<br />

amplify the air exchange inside<br />

the rack and use ambient air for<br />

cooling.<br />

Active, rack-related<br />

cooling<br />

By contrast, rack-specific, active<br />

cooling is capable of reducing<br />

the interior temperature of the<br />

rack to below the ambient temperature.<br />

This cooling technique<br />

is very effective with an<br />

appropriate room volume and in<br />

industrial environments.<br />

Rittal IT catalogue/Cooling<br />

6<br />

3<br />

5<br />

Fan roofs<br />

Various designs and outputs,<br />

extendible with fan kits. Fast<br />

assembly tailored to racks.<br />

Roof-mounted cooling unit<br />

(office application)<br />

Useful cooling output 1100 W<br />

at an extremely low noise level.<br />

4<br />

2<br />

1<br />

Roof-mounted fan<br />

Quiet performance (1500 m 3 /h)<br />

for office applications<br />

Centrifugal fan/rack-mounted<br />

fan<br />

Rack-mounted cooling units<br />

482.6 mm (19″)<br />

Useful cooling output 1000 W,<br />

simple installation in the<br />

482.6 mm (19″) level.<br />

Cooling<br />

Active cooling<br />

1 Fan roof<br />

2 Roof-mounted fan<br />

3 Fan cross-member<br />

4 Roof-mounted cooling unit<br />

5 Rack-mounted cooling unit 19″<br />

6<br />

Air/water heat exchanger<br />

Fan cross member<br />

For the perforated door of TS 8<br />

server racks.<br />

Air throughput up to 1200 m 3 /h.<br />

Air/water heat exchangers<br />

These prevent the installation<br />

room from heating up. A link to a<br />

recooling system as cold water<br />

supply is essential.<br />

115<br />

Cooling

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