HLU HF R 48 R Series - Fan Marking

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