Fan Marking - HLU HF R 48 R Series Operating Manual

4.2 Fan marking

Specifications for fans without explosion protection:
Type
Order no. (AB)
Fan-specific data
Fig. 3a| Type label (normal application)
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Operating manual
Centrifugal fans
HF R | RV | MRV
Hazards due to electric current
are marked with the symbol shown opposite.
Protective earth connection
is marked by these symbols at the connecting points.
Hazards due to explosive atmosphere
are marked with the symbol shown opposite.
Construction year
Caution
Fans without explosion protection marking are not permissible for
operation inside the explosion-hazarded atmosphere.
This applies to the environment and the exhausted fluid.
Specifications for fans with explosion protection:
Type Denomination of explosion
protection type
Ex-Zone Temperature
Motor explosion protection type
Order no. (AB) Construction year
Fan-specific data
Fig. 3b| Type label (explosive atmosphere)
17
06.2019