Instruction manual
Negative Pressure Unit D-range
4.4 Control SE
For the power regulation the negative pressure unit is delivered in series with a manual
continuously variable control.
4.5 Control SRE
For the power regulation the negative pressure unit is delivered in series with an
electronic control, in order to measure and to regulate the negative pressure. The
negative pressure is measured between the dirty area and at a reference point to be
determined (adjoining rooms) and the set point is kept by the continuous speed
regulation of the electric fan.
On reaching the maximal fan capacity, a LED Fan will beam.
The necessary filter change will be indicated by the LED Filter
LED „Filter"
LED „Fan"
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