Rittal Therm 6.3 – updated thermal

To simplify the often time-consuming and complicated calculation of enclosure cooling and heating require-ments use Rittal’s Therm 6.3 software.

Input the dimensions and position of your panel, together with the heat loss of the equipment installed, the ambient temperature, your preferred internal temperature and details of the available power supply, you can then select a cooling or heating solution specific to your project requirements.

A user-friendly interface guides you step-by-step through the selection process and at the end of the calculation, you receive a detailed report that not only shows the selected product, but also the net heat transfer through the walls of the enclosure. In the case of cooling solutions, the internal temperature that would be reached without climate control.

All evaluations are based on the requirements of IEC/TR3 60890 890 AMD 1 and DIN 3168 for enclosure cooling units and so this useful tool also gives considerable peace of mind that suitable components have been chosen.

Enclosures can be selected from Rittal ranges or alternatively, the dimensions of bespoke cabinets can be entered manually. The heat dissipated by installed equipment can be input directly, calculated using actual measured enclosure internal and ambient temperatures or selected from a database of standard components.

Use an online version or download the offline version of Therm 6.3 from the Rittal website.

Rittal RiThermUD

Rittal Enclosures, Power Distribution, Climate Control, IT Infrastructure, 19 inch Racks, Software & Service – http://www.rittal.co.uk

Save Energy by Cooling with Water

Rittal air/water heat exchangers are capable of cooling the air in an enclosure to a temperature lower than that of the ambient air. Heat to be removed is transferred to a water circuit and may be conveyed to a remote location before being dissipated. The lack of dependence on ambient air results in a maximum operating ambient air temperature of 70 °C.  Air is recirculated inside the enclosure maintaining an ingress protection category of IP 55.

Cooling with water may also be considered from an energy saving perspective. Air/water heat exchangers supplied with the eComfort controller incorporate the Eco-Mode control functionality. This employs an intelligent strategy to effectively target the use of energy by disabling the internal fan when the temperature inside the enclosure falls to a predetermined level below the setpoint. The fan is then pulsed periodically to ensure the accuracy of the sensed temperature before being permanently enabled when the temperature rises above the predetermined level.

Although the capital cost of a cooling system incorporating multiple air-to-water heat exchangers and a single water chiller may be greater than that of an equivalent number of refrigerant based cooling units, energy savings are typically in the region of 40 per cent.  Efficiency of water cooling systems may be further improved, particularly in the climate of the United Kingdom, by locating water chillers externally and integrating dry air coolers to take advantage of free cooling.

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