WARNING
Loss of explosion protection
Risk of explosion in hazardous areas if the device is open or not properly closed.
• Close the device as described in Installing/mounting (Page25).
WARNING
Enclosure open
Risk of explosion in hazardous areas as a result of hot components and/or charged capacitors
inside the device.
To open the device in a hazardous area:
1. Isolate the device from power.
2. Observe the wait time specied in Technical data (Page87) or on the warning sign before
opening the device.
3. Visually inspect sensor inlet and outlet.
Exception: Devices exclusively having Intrinsic safety (Exi) may be opened in an energized
state in hazardous areas.
WARNING
Improper connection after maintenance
Risk of explosion in areas subject to explosion hazard.
• Connect the device correctly after maintenance.
• Close the device after maintenance work.
Refer to Connecting (Page37).
2.5.4 Opening device in energized state
WARNING
Opening device in energized state
Risk of explosion in hazardous areas
• Only open the device in a de-energized state.
• Check prior to commissioning that the cover, cover locks, and cable inlets are assembled in
accordance with the directives.
Exception: Devices having exclusively the type of protection "Intrinsic safety Ex i" may also be
opened in energized state in hazardous areas.
Safety notes
2.5Use in hazardous areas
SIPROCESS GA700 rack and wall mounted devices
Compact Operating Instructions, 06/2023, A5E35134047-AB 23
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