Safety Information For Analyzers Used In Hazardous Areas - Siemens ULTRAMAT 23 Series Equipment Manual

Service and maintenance
10.1 Safety instructions
10.1.2

Safety information for analyzers used in hazardous areas

Impermissible repair and maintenance of the device
• Repair and maintenance must be carried out by Siemens authorized personnel only.
Electrostatic charge
Danger of explosion in hazardous areas if electrostatic charges develop, for example, when
cleaning plastic surfaces with a dry cloth.
• Prevent electrostatic charging in hazardous areas.
Maintenance during continued 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.
- or -
• Ensure that the atmosphere is explosion-free (hot work permit).
Impermissible accessories and spare parts
Danger of explosion in areas subject to explosion hazard.
• 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.
• Connect the device correctly after maintenance.
• Close the device after maintenance work.
Refer to Connecting (Page 67).
168
WARNING
WARNING
WARNING
WARNING
device or enclosed with the accessory or spare part.
WARNING
Equipment Manual, 04/2022, A5E37100388-012
ULTRAMAT 23