2.2.2 Unauthorised persons
WARNING!
Danger for unauthorised persons!
Unauthorised persons who do not fulfil the require-
ments specified here are usually not aware of the
dangers in the work area.
Therefore:
–
Keep unauthorised persons away from the work
area.
–
Instruct these persons to leave the hazardous
area or work area.
–
Stop work while unauthorised persons are
present in the work area.
2.3 Correct use
The unit is only designed and constructed for the
intended use described here.
The ventilation fan is only designed to convey
normal, dust-free and conditioned air, and other
non-aggressive, non-explosive gases.
The smoke exhaust fan is also designed to
convey fire gases in accordance with its tempera-
ture and time specifications.
Replace fan after use in the event of a fire!
The explosion-proof fan is designed to convey
explosive media and/or for installation in poten-
tially explosive atmospheres according to its
labelling.
Other intended uses approved by the manufacturer and
derived from the optional fan equipment are detailed in
the customer specifications.
WARNING!
Danger due to incorrect use!
Any use that extends beyond the correct use and/or
different use of the unit can lead to hazardous situa-
tions.
Therefore:
–
Only use the unit for its correct use.
–
Strictly comply with all of the information in this
operating manual.
Claims of any type for damages resulting from incorrect
use will not be accepted.
The system owner is solely responsible for all damages
resulting from incorrect use.
2.4 Explosion protection
ATEX Product Directive 2014/34/EU (ATEX 95)
The aim of the Directive is to protect individuals who
work in potentially explosive atmospheres. The Directive
contains the essential health and safety requirements
that the manufacturer must observe and that must be
verified by means of appropriate conformity assess-
ments. Since 30 June 2003, only units, components and
protective systems which comply with the ATEX Product
Directive 2014/34/EU can be used.
The deliverable version options are highlighted below:
Equipment groups
Equipment
group
For use in....
I
Units for use in mining
II
Units for use in the other areas
Classification
Zone
Category EPL
Safety
0
1
Ga
Very high level of
safety
1
2
Gb
High level of safety
2
3
Gc
Normal operation
Atmosphere
G = Gases
D = Dusts
Explosion group (gas group)
Gases and vapours are split into three explosion groups
(IIA, IIB and IIC) based on their particular flammability.
The danger increases from explosion group IIA to IIC.
(The higher explosion group includes the lower ones.)
Safety
Explosion protection
Centrifugal fans REH; RZH; BVREH; BVRA
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