2.2. Functionality of the system
The filter unit serves to suck off and filter polluted air (according to the intended use). The air is purified
on the surface of the filter cartridge in the filter section of the unit. The separated dust is collected in a
dust collecting tank. The activated carbon filter absorbs gases and unpleasant odours. The subsequent
particle filter cleans even fine smokes and dusts. An automatic filter monitoring indicates when a
cleaning or a replacement of the filters is necessary. The purified air is led back into the working room
via an exhaust air grille.
2.3. Intended use
The device is intended for commercial use. If the device is made publicly accessible, it must never be
operated unsupervised by authorized personnel, authorized by the operator.
The intended use of the filter unit is the application combined with laser devices and especially the
extraction and filtration of dusts, fumes and gases.
The filter unit can be used to extract explosive dusts with the following characteristic values (for further
information, see the section on “ATEX operation”):
MIE (minimum ignition energy)
Improper use can damage parts and be a danger to life and limb!
The device must not be used for the extraction of oil-laden welding fume, explosive
gases, hybrid mixtures, glowing or burning substances, gases, water, etc. The device
must not be operated in explosive zones.
Dangers arising from fire.
If the sucked medium is combustible fume or dust, the operator must determine
beforehand which fire protection measures are to be taken.
2.4. Residual risk
Danger due to possible hazardous materials in the exhaust air flow.
Because the unit does not monitor the quality of the air in the exhaust air flow, we
recommend that you always guide the exhaust air flow exiting our unit to areas (e.g. to the
outside into the open air) in which there is no danger to any living being. To do this, it is
necessary to fit a suitable exhaust air line at the filter unit.
BA_LFE-101-201-301_ST1_20230808_EN
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