Air Handling Units

Air Sanitization - JONIX

Air pollution in closed spaces represents a serious public health problem, with significant social and economic implications. Although the pollutants are present in concentrations that do not result in acute effects, they are the cause of negative effects on people’s health and well-being, especially if connected with a long exposure period.

The European commissions have defined guide values for the main indoor pollutants. Germany, France, the Netherlands, Finland, Belgium, and Italy have initiated the monitoring and sampling of the main indoor pollutants.

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The international organizations WHO, Istituto Superiore della Sanità (National Institute of Health), ASHRAE, the Scientific Committee on Health and Environmental Risks (SCHER), and the European Commission in Science and Technology on Indoor Air Quality have stated that it is necessary to reduce the sources of contamination and reduce the concentrations of the pollutants included on the shared European list: Benzene, formaldehyde, carbon monoxide, nitrogen dioxide, naphthalene, volatile organic compounds, toluene, etc.


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The ionization of the air is a natural phenomenon that occurs spontaneously whenever a molecule is subject to the action of an energy process in which the total amount of energy is greater than that of the molecule itself. In practice when we add energy to a molecule, an electron is “removed” from the molecule’s outermost orbit, and the resulting electric imbalance causes the molecule (atom) to assume a positive electric charge.

The electron “freed” from the outer orbit immediately attaches to another atom, which then assumes a negative electric charge. Each atom has a well-established probability of becoming a negative and positive atom depending on the saturation of its outer shell. In nature ions are produced by solar radiation; by the friction of the wind on the earth’s surface; by storms, rain, and other weather events; by the absorption of cosmic rays; and by the collisions of particles possessing kinetic energy. NTP technology artificially ionizes the air by means of what is known as “Cold Plasma”.

The modularity of the devices installed on Cetra air handling units makes sizing possible according to their intended use, in terms of both application and air flow rates; in fact, the Jonix air sanitization systems with NTP technology are especially suitable for inclusion in ventilation systems for domestic residential use and the service sector, offices, exhibition halls and meeting rooms, and shopping centres as well as for systems installed in the hospital and food sectors. They are recommended for the microbial decontamination of the internal surfaces of air handling units (and rooftop units) and all the internal components, such as: filters, coils, and fans.

They are recommended for preventing the growth of Legionella in the condensate drip trays and water humidification systems. They are also recommended for the sanitization of the internal surfaces of the air distribution ducts, which are otherwise difficult to inspect and clean even just once during the system’s entire life.

The systems with more than one condenser are pre-assembled and wired in a single frame, with the possibility of removing them via a drawer for their routine maintenance as well as the routine maintenance of the air handling system.

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The system described in this manner comes complete with a single power supply/electric control panel installed on the panel (outside the AHU) with IP65 protection rating. The control panel includes a main disconnecting switch and an auto/manual switch for controlling operation even from a remote system.