1 Safety
1.2
1.2
Description of symbols and
pictograms
This symbol draws your attention to
dangerous situations. The operation
concerned may endanger persons and
cause injuries.
This symbol is used to indicate that the
work must be carried out by a trained and
qualified electrician.
This symbol is followed by supplementary
information.
1.3 Start-up
The fan may only be put into operation (also for
testing) when the inlet and discharge ports are
provided with suitable guards/plate shutters or when
the fan is ducted.
Before the fan is started the housing and all duct
work connected to it must be checked. They must
be dry and free of screws, bolts, tools and other
foreign substances.
Disregarding the above instructions may
cause accidents and destroy the fan.
Observe the safety regulations for electrical
machines and equipment.
(
→
Electrical safety)
