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6
Taking into operation
Prior to operation, check the light fitting
for its proper functioning and installation in
compliance with these operating instruc-
tions and other applicable regulations!
Only carry out insulation measurements
between PE and the external conductor L as
well as between PE and N.
– measuring voltage: max. 1 kV AC/DC
– measuring current: max. 10 mA
Mind:
There must no insulation measurement be
carried out between L and N, since that
would destroy the electronics (mains input
fuse in the unit).
Downloaded from
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Explosion protected LED-Emergency Exit Luminaire
Series: Ex-Lite N; Ex-Lite NLT
7
Observe the national regulations
applicable to the maintenance, servicing and
test of apparatus for explosive atmospheres
e.g IEC/EN 60079-17 as well as the general
rules of engineering!
7.1
When the battery shows low capacity because
of ageing the battery module has to be
changed.
Cut the apparatus off the voltage before
opening it!
Remove the printed board and disconnect the
3 wires L, N and PE from the terminal
(see mains connection).
Page 4:
Remove the two jumpers
Ex d contacts and demount the complete board
from the enclosure (fig. 8)
Now the printed board is voltage-free
and may be carried in hazardous area
without additional protection.
Outside of the hazardous area the battery
module can be changed. Open the two screws
M4 (4) and disconnect the 4 wires at the
terminals
fasteners
board and remove the battery module (fig. 10
and 10a).
Assemble the new battery module in reverse
order.
When servicing, in particular those components
that affect the explosion protection, will have to
be checked, e. g.:
– Housing and protective glass for any cracks
or damages.
– Gaskets for their perfect condition.
– Terminals and blanking plugs for their firm fit.
manuals search engine
Maintenance / Servicing
Battery module replacement
(2)
(3)
and
from the
(5)
(fig. 9). Compress the snap-on
(6
) at the back side of the printed
8
Repair/Overhaul
Repairs that affect the explosion
protection, may only be carried out by
CEAG/CCH or a qualified electrician in
compliance with the applicable national
rules (IEC/EN 60079-19).
Prior to replacing or removing any
components, observe the following:
Cut the apparatus off the voltage before
opening it or carrying out repairs!
Only use certified genuine CEAG/CCH spare
parts
(see CEAG/CCH spare parts list).
9
Disposal/Recycling
When the apparatus is disposed of, the
respective national regulations on waste
disposal will have to be observed.
In case of disposal you can obtain additional
information from your Cooper Crouse-Hinds /
EATON branch.
Subject to modifications or supplement of the
product range.
GB
13
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