About This Manual; Typographical Conventions; Notes On Copyright And Information On Trademarks; Safety Rules - Videotec EXH Manuel D'instructions

1 About this manual

Read all the documentation supplied carefully before
installing and using this product. Keep the manual in
a convenient place for future reference.

1.1 Typographical conventions

DANGER!
Explosion hazard.
Read carefully to avoid danger of explosion.
DANGER!
High level hazard.
Risk of electric shock. Disconnect the
power supply before proceeding with any
operation, unless indicated otherwise.
CAUTION!
Medium level hazard.
This operation is very important for the
system to function properly. Please read
the procedure described very carefully and
carry it out as instructed.
INFO
Description of system specifications.
We recommend reading this part carefully
in order to understand the subsequent
stages.
Underlined titles
Information is subject to certifications.
2 Notes on copyright and
information on trademarks
The mentioned names of products or companies are
trademarks or registered trademarks.
MNVCEXH_2104_EN

3 Safety rules

DANGER!
Explosion hazard.
Read carefully to avoid danger of explosion.
• Installation and maintenance of the appliance
must be carried out by specialist technical staff in
compliance with the applicable reference standard
EN/IEC 60079-14, EN/IEC 60079-17 and national
standards.
• Do not open the device when powered and in
explosive atmosphere.
• Use appropriate tools for the installation. The
particular nature of the site where the device is to
be installed may mean special tools are required
for installation.
• Make all connections, installation and maintenance
work in a non-explosive atmosphere.
• The equipotential connection is mandatory to
avoid the risk of ignition of products installed in
potentially explosive environments.
• Before powering the product in an explosive
atmosphere, ensure the cover is closed correctly.
• The temperature of the surfaces of the device
is increased by exposure to direct sunlight.
The surface temperature class of the device
was determined only with ambient ambient
temperature, without taking into consideration
direct sunlight.
• Make sure that all the equipment are certified for
the application and for the environment in which
they will be installed.
• Any change that is not expressly approved by the
manufacturer will invalidate the guarantee.
5