Impermissible operation

Operation of the ventilation unit is not permitted in the following situations and environments, see also safety instructions for PushPull ventilation units:

with flammable materials, liquids or gases in the vicinity of the ventilation unit.
in potentially explosive atmospheres.
in combination with a lab extraction unit.
in combination with air-ventilated fireplaces connected to an exhaust gas system, which itself has multiple connections.
to convey chemicals or aggressive gases/vapours.
with extractor hoods in exhaust air mode.
during the construction phase.
to dry out new buildings.