09302-52-00 DUSTOMAT 21-67 H 11
6.2 Function description
Depending on the model, the DUSTOMAT is driven by a 2.2 kW or 3.0 kW three-
phase motor that drives a radial fan.
The main switch supplies or cuts off the necessary power to the device, and the
device is turned on and off with the red-green double push button.
The vacuum created by the fan draws air through the suction hose connected to
the intake port. A permanent filter set up within the filter housing separates the
dust that is in the exhausted air.
The purified air is guided back into the room through the exhaust vents.
The DUSTOMAT is equipped with a vacuum monitor as a control device for
overseeing minimum airflow volume. This monitoring device measures the
vacuum in the filter. With increased dust soiling of the filter, the flow resistance
increases along with the vacuum behind the filter. If the value set on the vacuum
monitor is reached, an acoustic signal sounds. This means that the minimum
airflow volume has fallen to the limit and that the filter must be cleaned.
Depending on the model, filter cleaning is handled in various manners. The
cleaning clears the filter of dust and refurbishes it. The dust collection container
underneath the filter catches the dust that is cleared.
For easier removal of the collected dust material, the upper part can be tipped
backwards and the dust collection container removed from the device complete
with its contents.
Category H devices have a main filter in addition to the filter described above. It is
this filter that allows the device to comply with dust class "H". It cannot be
cleaned, so when necessary it must be replaced.
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