Stainless steel cooling units

Wednesday January 29, 2014
A selection of wall-mounted cooling units, with nominal outputs in the 300- to 1,500-W range, and rated operating voltages of 230 VAC and 400 VAC, are now available from Rittal's stock. Cooling units keep the air inside an enclosure below a maximum permissible temperature, which may be even lower than that of the air surrounding it. The ambient air is used to cool refrigerant, which removes the heat from the air inside the enclosure, at a high temperature and pressure. However, due to separate internal and external air circuits, these units satisfy an ingress protection category of IP54 and the air inside the enclosure is simply recirculated, preventing the ingress of dust or other contaminants into the enclosure, the company explains. Rittal’s TopTherm Generation Blue e cooling units incorporate energy-efficient EC fans, revised components in the refrigerant circuit and an energy-saving control strategy. The Eco-mode software, which restricts the use of the internal fan, can have a significant impact on energy consumption, particularly in periods when no cooling is required, the company says.

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