ARPACK AirClean AC 40 Manual - Halaman 10

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7 Functionality / Operation

7.1 Functionality

The device's functionality is based on the

photocatalytic oxidation of volatile organic

compounds on the surface of nanocrystalline

titanium dioxide affected by UV-A radiation. The

contaminated air reaches the photocatalytic

treatment area through convective air flow or air

streams that are generated by the heat released

from the UV-A diodes (Fig. 2). The pollutants,

bacteria and viruses are absorbed from the

surfaces of photocatalytic elements and are mainly

mineralised into carbon dioxide and water vapours

due to the UV-A diodes' light.

Housing

Photocatalytic

elements

UV-A LED

Power feeder

Fuse

Switch

Fig. 2 Device presentation

10 | ARPACK GmbH