Vega ATEX - Important Information For Mounting And Maintenance; Safe Operating Mode

14
VEGAMET 841, 842, 861, 862 • Installation in Zone 2
61274-01-191219
Ambienttemperature
You can nd the details in chapter "Thermal data" of these safety instructions.
Electrostaticcharging(ESD)
You can nd the details in chapter "Electrostatic charging (ESD)" of these safety instructions.
Zone2applications
The device must be installed in a protective housing or a switching cabinet with IP54 according to
EN 60079-0.
The device may only be used in an area with a minimum pollution level of 2 or better, as dened in
EN 60664-1.
6 Safeoperatingmode
Generaloperatingconditions
•
Do not operate the instrument outside the electrical, thermal and mechanical specications of
the manufacturer
Connection conditions
•
The connection cable of VEGAMET 841, 842, 861, 862 has to be wired x 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 fullled for mounting, electrical installation, setup and mainte-
nance of the instrument:
•
The sta must be qualied according the respective tasks
•
The sta must be trained in explosion protection
•
The sta must be familiar with the respectively valid regulations, e.g. planning and installation
acc. to EN 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 specications, the EU type
approval certicate and the valid regulations and standards
•
Modications on the instrument can inuence the explosion protection and hence the safety
•
Modications 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 certicate. 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
ATEX