Vega ATEX, Инструкции по безопасности

Страница: 46 / 68

4 VEGAMET 841, 842, 861, 862
61274-EN-191219
Ambient temperature
You can find the details in chapter " Thermal data " of these safety instructions.
Electrostatic charging (ESD)
You can find the details in chapter " Electrostatic charging (ESD) " of these safety instructions.
Zone 2 applications
T he device must be installed in a protective housing or a switching cabinet with IP54 according to
IEC 60079-0.
The device may only be used in an area with a minimum pollution level of 2 or better, as defined in
IEC 60664-1.
6 Safe operating mode
General operating conditions
•
Do not operate the instrument outside the electrical, thermal and mechanical specifications of
the manufacturer
Connection conditions
•
The connection cable of VEGAMET 841, 842, 861, 862 has to be wired fix and in such a way
that damages can be excluded
•
If the temperature at the inlet components exceeds 70 °C, temperature-resistant connection
cables must be used
7 Important information for mounting and maintenance
General instructions
The following requirements must be fulfilled for mounting, electrical installation, setup and mainte -
nance of the instrument:
•
The staff must be qualified according the respective tasks
•
The staff must be trained in explosion protection
•
The staff must be familiar with the respectively valid regulations, e.g. planning and installation
acc. to IEC 60079-14
•
Make sure when working on the instrument (mounting, installation, maintenance) that there is no
explosive atmosphere present, the supply circuits should be voltage-free, if possible.
•
The instrument has to be mounted according to the manufacturer specifications, the Certificate
of Conformity and the valid regulations and standards
•
Modifications on the instrument can influence the explosion protection and hence the safety
•
Modifications must only be carried out by employees authorized by VEGA company
•
Use only approved spare parts
•
Components for installation and connection not included in the approval documents are only
permitted if these correspond technically to the latest standard mentioned on the cover sheet.
They must be suitable for the application conditions and have a separate certificate. The special
conditions of the components must be noted and if necessary, the components must be inte -
grated in the type test. This applies also to the components already mentioned in the technical
description.
Mounting
Keep in mind for instrument mounting
•
Mechanical damage on the instrument must be avoided
•
Mechanical friction must be avoided
IECEx