Air filtration device

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Corbetta, Italy
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Air filtration device

Each model and version of the Sabiana Carisma fan coils is available, exclusively, with the patented Crystall electrostatic filter. This is an active electronic plate filter. 
The CRYSTALL SABIANA electrostatic filter matches the need for better air conditioning with the concepts of space and design. With this filter the various stages of air treatment are combined in one appliance. Thanks to this new patented filter, air pollutants such as cigarette smoke, dust, pollen and most biological organisms are eliminated. In addition, as fresh air is not being introduced to obtain the best climatic conditions, there are 
consequential energy savings. 
Purifying the air with the Sabiana Crystall appliance also entails no reduction of living room space, as the dimensions of the fan convector are practically unchanged (just 10 cm higher). 
The positioning of the electronic filter allows simple and effective maintenance and, as it is easy to wash, its working life is practically unlimited. 
The modularity of the filter components and their ease of mounting make the system extremely competitive in terms of cost compared with other types of filters present on the market. In spring and autumn, if environmental air conditioning/heating is not required, the appliance acts simply as an air purifier. 

Further info from manufacturer on CRYSTALL CARISMA
Further details
All electrical connections are made during production. The installation of the FuturaSabiana fan coil incorporating the Crystall electronic filter is therefore similar to that of a normal fan coil; the only difference is the installation height, for which the filter dimensions must taken into account.

The Crystall electronic filtering system consists of two parts: the first is a plate type electronic active filter and is fitted in the suction section of the fan coil, while the second is an electronic control and regulation board.

Active plate type electronic filter
The filtering element consists of two sections: the first consists of electrodes and insulating elements,
forming a self-supporting ionising frame, while the second consists of special reliable steel profiles (collector). The two sections are installed in an extractable drawer mounted on lateral telescopic guides to make the extraction and maintenance of the filter easier. The extraction of the drawer actuates a safety microswitch that cuts off the voltage supply to the electrodes. The collector can be cleaned by washing with water and ordinary detergents or steam jets (please consult the maintenance manual for further details).

Electronics board
Controls and regulates all functions of the electronic filter. It is appropriately protected against any operating defects of the electronic filter. It supplies a constant voltage to the electrodes when the mains supply voltage varies (± 15%). The supply transformer is constructed with its primary and secondary coils physically separated and wound onto separate cores. The energy consumption depends on the size of the fan convector on which the filter is mounted, with a maximum value of about 0.02 kW.
The problem of indoor air quality (IAQ) is at the centre of international attention and a current topic of discussion due to the implicit repercussions on the socio-sanitary situation in each country. Numerous studies and research carried out all over the world have in fact highlighted that all common environments contain a multitude of pollutants that are harmful to the health of the occupants.

These airborne pollutants are produced by the increasingly widespread use of new products for construction and furniture. In addition, in large cities, traffic, home combustion appliances, the use of chemical products for cleaning, the type of room and the characteristics of the site, inadequate ventilation, tobacco smoke and other causes represent important factors in the decline of indoor air quality.

In response to these facts, special attention has been paid to this important topic in recent years all over the world. This increased sensitivity has, through control of emissions and establishing maximum admissible concentrations, led to a significant reduction of some contaminants in the atmosphere, above all those of industrial origin, and a perceptible reversal in the trends of some related illnesses.

In addition, together with the relative reduction of outdoor pollution, recent years have seen the international medical-scientific community engaged in the public health sector take a stand on the problem of contamination of the air in indoor spaces. In general, indoor pollution is defined as the "presence of physical, chemical and biological contaminants in the air that would not naturally be found in air in high quality outdoor ecological systems" (Italian Environment Ministry, 1991).

The main source of exposure for some airborne pollutants and the only source for others is therefore represented by the level of indoor contamination.

Naturally, the composition of the atmosphere (nitrogen, oxygen, etc.) is the same outdoors and indoors, however the quality and the quantity of contaminants found indoors may differ significantly. The problem becomes even more important if we consider that some groups of people are much more sensitive to atmospheric pollution (the elderly, children, asthmatics, people suffering from bronchitis, emphysema, and illnesses in general, etc.) who, as well as spending most of their time indoors, have weakened natural defences to combat the harmful actions of some pollutants found in the air they breathe.

Since 1995, most Sabiana fan coils have been available with an innovative active electronic filter, called Crystall, which reduces the levels of many pollutants in the air, such as tobacco smoke, dust and fibres, and microbiological substances such as bacteria and fungi that are harmful to the health. The subject of numerous scientific publications, the Crystall filter has proven to be especially effective in reducing the spread of microbiological substances through air distribution ducts, and as a result is also currently available in the Crystall Duct System and Crystall Flex System version.

Carisma Collection by SABIANA
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