2 operation in potentially explosive environments, Operation in potentially explosive environments – Baumer HOG 28 M Benutzerhandbuch
Seite 7
MB178T2 - 11081759
Baumer_HOG28-T2_II_DE-EN (14A1)
4
Operation in potentially explosive environments
2
2
Operation in potentially explosive environments
The device complies with the
EU standard 94/9/EG for potentionally explosive atmospheres.
It can be used in accordance with
equipment categories 3 G (explosive gas atmosphere) and
3 D (explosive dust atmosphere) except for the version with earthing brush which must not
be used in potentionally explosive atmospheres.
Equipment category 3 G: - Ex labeling:
II 3 G Ex nA IIC T4 Gc
- Conforms to standard:
EN 60079-0:2009
EN 60079-15:2010
- Type of protection:
nA
- Temperature class:
T4
- Group of equipment:
II
Equipment category 3 D: - Ex labeling:
II 3 D Ex tc IIIB T135°C Dc
- Conforms to standard:
EN 60079-31:2009
- Protective principle:
Protection by enclosure
- Max. surface temperature: +135 °C
- Group of equipment:
III
The operation in other explosive atmospheres is
not permissible.
2.1
In Ex areas the device must only be used within the
ambient temperature range from -20 °C to
+40 °C.
2.2
The plant operator must ensure that any possible
dust deposit does not exceed a thickness of
5 mm (in accordance with EN 60079-14).
2.3
An
UL listing that may be stated elsewhere is not valid for use in explosive environ-
ments.
2.4
Operation of the device is only permissible when ...
–
the details on the type label of the device match the on-site conditions for the permissible
Ex area in use (group of equipment, equipment category, zone, temperature class or maxi-
mum surface temperature),
–
the details on the type label of the device match the electrical supply network,
–
the device is undamaged (no damage resulting from transport or storage), and
–
it has been checked that there is no explosive atmosphere, oils, acids, gases, vapors,
radiation etc. present during installation.
2.5
It is not permissible to make any alteration to equipment that is used in potentially explosive envi-
ronments. Repairs may only be carried out by authorized authorities provided by the manufacturer.
Contravention invalidates the EX approval.
2.6
Attend the norm EN 60079-14 during mount and operation.
The device must be operated in accordance with the stipulations of the installation and
operating instructions. The relevant laws, regulations and standards for the planned ap-
plication must be observed.