Introducing new air conditioning units from Weiss Technik

Vindur® Top by Weiss Technik

Vindur® Top by Weiss Technik

If planned poorly or not service properly, air conditioning units can quickly turn into transmitters of disease causing germs. Weiss Technik, a manufacturer of environmental simulation, heat and pharmaceutical technology and air solutions, has developed an innovative recirculating air-cooling system that helps to prevent the growth and spread of bacteria, mould and viruses.

The hygienic air cooling system Vindur® Top was developed specially for use in hospitals, on wards and in examination rooms, for public and industrial buildings, as well as for hotels and the private sector. It is often used as a supplementary or retrofit solution if the existing primary building climate equipment is no longer sufficient and additional cooling is required.

Vindur® Top is equipped with a new, unique fourstage safety concept for these special requirements:

HEPA filters: A two-stage filter concept filters 99.99% of all microorganisms, bacteria and viruses from the air.

UV lamps reliably kill viruses, germs and bacteria that have been accumulated on the particulate air filter.

Antimicrobial Interior Coating: The inner plates of the cooler are coated with silver ions which destroy viruses, bacteria, germs and mould.

Thermal disinfection: After the unit is switched off, heat exchangers and condensate drip tray are heated sequentially for about 10 minutes to approx. 70 °C. This dries out the biofilm resulting from the cooling process, reliably killing microorganisms and viruses.

Improving hygiene with hygienic air-cooling units Hygienic air-cooling units are recirculating air systems which are often used as supplementary or retrofit solutions if the primary building climate equipment is not dimensioned sufficiently for all rooms, or if additional cooling is required. As air cools, condensate can form, providing a breeding ground for bacteria and mould. These develop in particular while the unit is not running, and can be spread to all rooms when the equipment is put back into operation. To prevent this, Vindur® Top is equipped with a two-level filter (intake side PM1/≥ 50%, pressure side PM1/≥ 80% or H14 as an option to prevent viruses).

Thermal disinfection kills micro-organisms To improve hygiene further, Vindur® Top units can be equipped with optional thermal disinfection. This newly developed method effectively prevents the growth of micro-organisms such as bacteria and mould in the air-conditioning unit. Here, the heat exchanger and condensate drip tray are heated and dried completely in turn, controlled by a humidity sensor, so that all micro-organisms are safely destroyed.

Simple handling, two model variants Vindur® Top hygienic air-cooling units can either be mounted on the ceiling or, equipped with intake and pressure side duct connections, integrated into a suspended ceiling. They have an energy-efficient EC fan and a cooler with condensate lifting pump. Air quantity and temperature can be controlled easily and comfortably via the DD control with web visualisation using the room control panel or touch display. In addition, their smooth surfaces make them easy to clean and disinfect. All the relevant unit parts can be accessed easily through the downward-opening housing flap. This guarantees the straightforward replacement of spare parts.

Malcolm Youll, Managing Director of Weiss Technik UK Ltd, said: “Viruses and bacteria can spread very easily, which is particularly dangerous in rooms with sick patients. That’s why it is so important to ensure these areas have optimal air hygiene. Our new hygienic air-cooling unit Vindur® Top helps to provide hygienic cooling and prevent the growth and spread of mould, bacteria and viruses. Once installed, all maintenance and service work can be carried out quickly and easily, and thanks to the web visualisation all installed parts and operating states can be checked and monitored at all times.”

The Weiss Technik Companies Under the slogan “Test it. Heat it. Cool it.”, the Weiss Technik Companies offer solutions that are used around the world in research and development as well as in the production and quality assurance of numerous products. A strong distribution and service organisation with 22 companies at 40 locations in 15 countries ensures optimum customer support and guarantees a high degree of operational safety. The brand weisstechnik® includes individual solutions for environmental simulation, clean rooms, climatic engineering, air dehumidification and containment solutions. Weiss Klimatechnik provides reliable air-conditioning solutions wherever optimal climatic conditions for man and machine are required: in industrial production processes, clean rooms and measuring rooms, hospitals, mobile operation tents or in the information and telecommunication technology fields. As one of the leading providers of professional clean room and air-conditioning systems, we provide you with effective and energy saving solutions, and support you with our expertise from the planning to the implementation of your projects. The Weiss Technik companies are part of the Schunk Group, which is based in Heuchelheim, close to Giessen.

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