TELEDYNE OLDHAM SIMTRONICS OLCT 80 d, Руководство пользователя

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OLCT 80
GAS TRANSMITTER
USER MANUAL
NPO80GB
Revision F.1
99
14 Special instructions for use in
explosive atmospheres and
fonctional safety
14.1 General comments
OLCT 80 gas detectors comply with the requirements of ATEX 2014/34/UE European Directive
relating to explosive Dust and Gas atmospheres.
The information given in the following sections should be respected and taken into account by the
manager of the site where the equipment is installed. With respect to requirements for improving
the safety and health protection of workers potentially at risk from explosive atmospheres, please
refer to ATEX 1999/92/CE European Directive.
14.2 Warnings
Do not open when energized. After de-energizing, delay 2 minutes before opening. Read
instructions notice (cable glands).
14.3 Requirements for use in dust explosive atmospheres
For the equipment installed in dust explosive atmosphere, user shall ensure a sufficient cleaning to
prevent dust accumulation on the device. The maximum permissible thickness of a dust layer must be
less than 5 mm.
14.4 Cable entries
Cable glands and other wiring accessories (plugs, adaptors, etc.) shall be “db” certified for use
in gas explosive atmospheres and “tb” for use in dust explosive atmospheres. They must be at
least IP66 and of M20x1.5 6g or M25x1.5 6g types in accordance with ISO965-1 and
ISO965-3 standards. Minimum depth of engagement must be 5 threads and installation must be
done in accordance with current version of EN 60079-14 and eventually with any local or
national additional requirements that may apply in the country of installation.
The cables should be suitable for use at a temperature equal to or greater than 80°C.