Siemens SITRANS TH Notice De Service page 6

Symbol Meaning
Pay attention to the operating instructions
Observe the test certification, provisions and laws applicable in your country during connection, assembly and operation.
These include, for example:
● National Electrical Code (NEC - NFPA 70) (USA)
● Canadian Electrical Code (CEC) (Canada)
Further provisions for hazardous area applications are for example:
● IEC 60079-14 (international)
● EN 60079-14 (EC)
The CE mark on the device is a sign of conformity with the following European directives:
Electromagnetic Compatibility EMC
2004/108/EC
Atmosphère explosible ATEX
94/9/EC
The directives applied can be found in the EC declaration of conformity for the associated device.
WARNING
Improper device modifications
Danger to personnel, system and environment can result from modifications to the device, particularly in hazardous areas.
● Only carry out modifications that are described in the instructions for the device. Failure to observe this requirement
cancels the manufacturer's warranty and the product approvals.
Qualified personnel for hazardous area applications
Persons who install, connect, commission, operate, and service the device in a hazardous area must have the following
specific qualifications:
● They are authorized, trained or instructed in operating and maintaining devices and systems according to the safety
regulations for electrical circuits, high pressures, aggressive, and hazardous media.
● They are authorized, trained, or instructed in carrying out work on electrical circuits for hazardous systems.
● They are trained or instructed in maintenance and use of appropriate safety equipment according to the pertinent safety
regulations.
WARNING
Unsuitable device for the hazardous area
Danger of explosion.
● Only use equipment that is approved for use in the intended hazardous area and labelled accordingly.
WARNING
Loss of safety of device with type of protection "Intrinsic safety Ex i"
If the device has already been operated in non-intrinsically safe circuits or the electrical specifications have not been
observed, the safety of the device is no longer ensured for use in hazardous areas. There is a danger of explosion.
● Connect the device with type of protection "Intrinsic safety" solely to an intrinsically safe circuit.
● Observe the specifications for the electrical data on the certificate and in Chapter "Technical data (Page 26)".
6
Directive of the European Parliament and of the Council on the approximation of the
laws of the Member States relating to electromagnetic compatibility and repealing
Directive 89/336/EEC.
Directive of the European Parliament and the Council on the approximation of the
laws of the Member States concerning equipment and protective systems intended
for use in potentially explosive atmospheres.
SITRANS TH/TR/TF
A5E32363963-02, 09/2021