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6.3
Cable entries (KLE);
blanking plugs
Generally, only certified cable entries and
blanking plugs may be used. Flexible
cables are to be used with trumpet-
shaped cable glands or other suitable
entries with additional pull-relief.
The mounting directives applicable to the
fitted cable entries are to be observed.
When using cable entries with a lower IP
protection than that which applies to the
device (see technical data, page 6), the IP
protection of the whole device will be
reduced.
When using apparatus or cable entries for
the connection to or into the apparatus, when
applicable, the relevant special conditions for
safe use given in the individual certificates
shall be considered.
In order to establish the minimum protection
category, unused holes have to be closed
with a certified blanking plug.
Care has to be taken that when fitting the
cable entries, sealing inserts appropriate to
the cable diameter are used.
In case of sealing inserts that are cut out, it
will have to be ensured that the insert is
properly adapted to the cable diameter.
All vacant metric COOPER CROUSE-HINDS /
CEAG cable entries are to be closed with the
certified blanking plug for metric cable
entries.
In order to ensure the required minimum
protection category, the cable glands shall be
tightened down.
Overtightening might impair the
protection category.
Attention: The metal frame and metal
glands are to be integrated into the
potential equalization.
8 8 8 8 8
Cooper Crouse-Hinds GmbH
6.5
Closing the device/
cover closure
Any foreign matter shall be removed from
the apparatus.
In order to ensure the required minimum
protection category, the cover screws are to
be tightened down.
Overtightening might impair the
protection category.
6.6
Taking into operation
Prior to taking the apparatus into operation,
the tests specified in the relevant national
regulations will have to be carried out.
Apart from that, the correct functioning and
installation of the apparatus in accordance
with these operating instructions and other
applicable regulations will have to be
checked.
Incorrect installation and use of the
terminal boxes can invalidate the
guarantee.
7
Maintenance/Servicing
The relevant national regulations which
apply to the maintenance/servicing of
electrical apparatus in explosive
atmospheres, shall be observed
(EN 60079-17).
Before opening the enclosure make sure
that the apparatus is disconnected from
the voltage, or take the appropriate
protective measures.
In case of intrinsically safe circuits, working is
permitted while voltage applies.
The required maintenance intervals depend
on the respective application and will
therefore have to be determined by the user
dependent on the conditions of use.
When servicing the apparatus, particularly
those parts that are decisive for the type of
protection against explosion, will have to be
checked (e. g. intactness of enclosure, cable
glands, efficacy of the cover gaskets).
If during servicing repairs prove to be
necessary, section 8 of these operating
instructions will have to be observed.
8
Repairs / Overhaul /
Modification
Repairs may only be carried out with genuine
COOPER CROUSE-HINDS / CEAG spare
parts.
Repairs that affect the explosion
protection, may only be carried out by
COOPER CROUSE-HINDS / CEAG or a
qualified electrician in compliance with
the applicable national rules.
(EN 60079-19).
Modifications to the apparatus or changes of
its design are not permitted, except for the
mounting of additional cable entries and the
installation of supply terminals in accordance
with the approval of the apparatus.
9
Disposal / Recycling
When the apparatus is disposed of, the
respective national regulations on waste
disposal will have to be observed.
In order to facilitate the recycling of individual
components, plastic parts have been
provided with the identification mark of the
plastic material used.
Subject to modifications or supplement of the
product range.
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