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Demand based cooling

Demand based cooling

Rittal can now offer demand based cooling and monitoring from a single fan-and-filter unit, transforming the standard fan-and-filter unit into a smart solution perfectly suited to the cooling requirements of the modern technical era.

Rittal has launched a new EC Speed Control, compatible with larger models from the TopTherm EC fan-and-filter unit range (uninstalled air throughputs between 180m3/h and 900m3/h). Fan-and-filter units with electronically commutated (EC) motors for electrical enclosure cooling are already recognised for their lower energy consumption and extended service life.  

Furthermore, infinite speed control as well as a monitoring signal are much simpler to incorporate in an EC motor than on the AC motor equivalent.
Rittal's new EC Speed Control supports these benefits, and adds a number of others. It can be used to reduce noise output of EC fan-and-filter units, as well as lower energy consumption still further through the ability to control the speed of up to four units.  

Cooling demand, and hence the required fan speed, is determined by comparing the sensed temperature inside the enclosure with the set-point temperature on the device, from +5°C to +55°C.

The Rittal EC Speed Control is also able to closely monitor the status of the fan. The unit provides a local visual display of the operating status and incorporates an alarm relay for the remote monitoring of over-temperature, fan defect, cable break and sensor failure.

Rittal says this exciting and innovative new product sees the humble fan-and-filter unit come of age, providing demand-based cooling, greater temperature stability inside the enclosure, and performance monitoring, alerting users to any problems with their cooling system.

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