User Documentation

5
This document should be read carefully before starting installation.
Respect the information stated on the certication label of the
enclosure, e.g. Type/s of protection, gas group and temperature
class. A copy of the certication label can be found at the end of this
notice. Alterations or modications to the enclosure or its contents
may invalidate the certication. The installation, maintenance and
repair of these enclosures should only be carried out by authorised
and qualied personnel whose training has included instruction on
the various types of protection and installation practices (according
to IEC/EN 60079-17 and IEC 60079-19; EN 60079-19, IEC/EN
60079-14), the relevant rules and regulations, and on the general
principles of area classication.
Certicationlabel
The certication label of the empty enclosure “U” must be removed or
covered with the type label of the fully certied apparatus.
Opening of the Enclosure
WARNING
Maintenance and repair of these enclosures should only be
carried out by authorised and qualied personnel.
The lid should be removed by loosening the cover xing screws and any
attached lid bonding cable with a suitable tool.
Do not fully unscrew the lid screws and do not remove the gasket from the
enclosure lid.
Closing the Enclosure Lid
Before closing the cover, ensure that:
• That all covers and earth studs / bolts are fully tightened.
• The lid, gasket and surrounding area are clear of any dirt or dust.
• The lid is correctly oriented to the base of the enclosure.
• Place the lid on the enclosure and tighten all the lid securing screws.
Screws have to be tightened crosswise manner!