Safety Instructions For Hazardous Areas; Loss Of Explosion Protection; Absence Of Pre-Purging - Siemens SIPROCESS GA700 Compact Operating Instructions

7.2

Safety instructions for hazardous areas

7.2.1

Loss of explosion protection

Loss of explosion protection
Danger of explosion in hazardous areas if the device is open or not properly closed.
• Close the device as described in the operating instructions.
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 the
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 79)".
7.2.2

Absence of pre-purging

Absence of pre-purging
Danger of explosion in hazardous areas.
An explosive atmosphere existing in a device with pressurized enclosure (type of protection Ex
p) can result in an explosion during commissioning.
• Make sure that the device is pre-purged before it is commissioned.
• Make sure that the purging time, quantity and medium are correctly observed. Refer to the
Devices in explosion-proof design
Compact Operating Instructions, 01/2022, A5E35134047-11
WARNING
WARNING
device or enclosed with the accessory or spare part.
WARNING
WARNING
information in Chapter "Technical specifications (Page 83)".
Service and maintenance
7.2 Safety instructions for hazardous areas
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