For Use In Hazardous Areas - Siemens SIPROCESS GA700 Kompaktbetriebsanleitung

2.3

For use in hazardous areas

Unsuitable device for the hazardous area
Explosion hazard
• Only use devices that have been approved for use in the intended hazardous area and
Use outside the permitted voltage limits
Explosion hazard
• Only use the device within the voltage limits specified on the nameplate.
Contaminated gas paths during analysis of flammable gas mixtures in the OXYMAT 7
Explosion hazard
Contaminated gas paths can cause an explosion during the introduction of flammable gas
mixtures into the OXYMAT 7.
• Prior to the analysis, flush the gas path in the analyzer and the gas line with inert gas
Vibrations at the installation location
Explosion hazard
For ignition protection type Ex ec and Ex py, vibrations of more than 5 m/s² can cause an
explosion.
• Make sure that the device is installed in a low-vibration location.
Note
Contamination class when using the ignition protection type Ex e
When using the ignition protection type Ex e, the device may only be operated in an
environment with at least contamination class 2 (in accordance with IEC 60664-1).
Devices in explosion-proof design
Compact Operating Instructions, 11/2019, A5E35134047-04
WARNING
are labeled accordingly.
WARNING
WARNING
when flammable gas mixtures are introduced into the wall-mounted device at a pressure
of more than 1100 hPa as well as into the rack-mounted device also at lower pressures.
WARNING
Safety instructions
2.3 For use in hazardous areas
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