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Aesthetics and function<br />
Typical of the <strong>Rittal</strong> fan-and-filter<br />
unit design is the extremely low<br />
build height. The super-slimline<br />
vent grille guarantees optimum<br />
air throughput with low noise<br />
generation. Combined with the<br />
technical features, <strong>Rittal</strong> fanand-filter<br />
units meet all application<br />
requirements.<br />
<strong>Rittal</strong> <strong>System</strong> <strong>Climate</strong> <strong>Control</strong><br />
Fan-and-filter units<br />
Benefits<br />
Fan-and-filter units are ideal for dissipating heat loads cost-<br />
effectively. The pre-requisite is that the ambient air must be<br />
relatively clean and with a temperature below the desired<br />
enclosure internal temperature.<br />
The entire range of fan-and-filter units is now also available<br />
with EMC shielding and all required rated voltages.<br />
Not always full power!<br />
At lower ambient temperatures,<br />
the air throughput may be<br />
reduced. By adapting the fanand-filter<br />
speed to match the<br />
temperature using a controller,<br />
noise generation is reduced.<br />
Benefits<br />
in brief !<br />
● Air throughput from<br />
20 m3 /h to 700 m3 /h<br />
● Super-fast assembly<br />
● IP 54 as standard<br />
● Reversing the direction<br />
of air flow.<br />
Air flow direction may<br />
be reversed from<br />
extracting (standard<br />
setting) to blowing<br />
● All fans also available<br />
with EMC shielding<br />
Important<br />
● The prescribed heat<br />
loss and the maximum<br />
anticipated ambient<br />
temperature define the<br />
required volumetric flow<br />
● Always use the fanand-filter<br />
units and outlet<br />
filters together<br />
Calculation formulae,<br />
see page 30<br />
or refer to the Internet at<br />
www.rittal.com<br />
69<br />
8.4
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