Safety Instructions For Hazardous Areas - Siemens SIPROCESS GA700 Compact Operating Instructions

8.2

Safety instructions for hazardous areas

Impermissible accessories and spare parts
Danger of explosion in areas subject to explosion hazard or device damage.
• Only use original accessories or original spare parts.
• Observe all relevant installation and safety instructions described in the instructions for
Improper connection after maintenance
Danger of explosion in areas subject to explosion hazard or device damage.
• Connect the device correctly after maintenance.
• Close the device after maintenance work.
See chapter "Maintaining the analyzer (Page 80)".
Open enclosure
Danger of explosion in hazardous areas as a result of hot components and/or charged
capacitors inside the device.
Follow these steps when you open the device in a hazardous area:
1. Isolate the device from power.
2. Make sure you observe the wait time listed in chapter "Technical specifications
3. Pickup inlet and outlet (visual inspection)
Exception: Devices exclusively having the type of protection "Intrinsic safety Ex i" may also
be opened in an energized state in hazardous areas.
Maintenance during ongoing operation in a hazardous area
There is a danger of explosion when carrying out repairs and maintenance on the device in
a hazardous area.
• Isolate the device from power.
• Alternatively: Make sure that the atmosphere is explosion-free (hot work permit).
• Wait 10 minutes after disconnecting the power supply before you open all doors and
Devices in explosion-proof design
Compact Operating Instructions, 05/2018, A5E35134047-03
WARNING
the device or enclosed with the accessory or spare part.
WARNING
WARNING
(Page 83)" or on the warning label before you open the device.
WARNING
covers.
Service and maintenance
8.2 Safety instructions for hazardous areas
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