Rittal Hygienic Design air/water heat exchangers for enclosures

Rittal’s Hygienic Design air/water heat exchangers for enclosures have been designed to meet the hygienic requirements of the food and beverage industry.

Liquid cooling of enclosures offers a number of benefits: because water has a higher thermal capacity than air, liquid cooling can dissipate even large quantities of heat. What is more, industrial environments often already have a central cooling water supply available that can be used for enclosure cooling. All that is left to do is to mount suitable air/water heat exchangers on the enclosure. With hygienic design, it is particularly important that no air exchange takes place between the enclosure and the environment.

Two variants of the wall-mounted, hygienic design air/water heat exchangers are available — supplying cooling outputs of either 0.65 or 1.2 kW.

The units are made from stainless steel with a brushed grain size of 400, producing a surface roughness Ra of less than 0.8 μm. The smooth surface finish is easy to clean and disinfect. There are no hard-to-clean gaps where contamination could collect.

The silicone seal between the enclosure and the case prevents the transfer of colourants, flavourings and unwanted odours. The seal eliminates gaps between the air/water heat exchanger and the enclosure which would be difficult to clean.

The air/water heat exchangers have C-UR and CSA approval, making them suitable for international use. The hygienic design was tested by the DGUV Food department testing and certification agency in accordance with GS-NV 6 (test principles for hygiene). The devices comply with standard DIN EN ISO 14159:2008 and are suitable for use in the food sector in conformity with DIN EN 1672-2:2009.