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5
Conformity with standards
The light fitting is conform to the standards specified in the EC-Declara-
tion of conformity, enclosed separately.
It has been designed, manufactured and tested according to the state of
the art and according to DIN EN ISO 9001und EN ISO/IEC 80079-34.
References to standards and directives in these operating instructions
always relate to the latest version. Other additions (e.g. details relating to
the year) shall be observed.
6
Field of application
The light fitting is suitable for use in zone 1 and 21 hazardous areas acc.
to IEC/EN 60079-10-1 and IEC/EN 60079-10-2.
7
Application / Properties
The light fitting are intended to illuminate plant areas in hazardous areas
(see technical data).
In regard to the minimum and maximum admissible ambient temperature
potential sources of cold and heat (e.g. direct heat or solar radiation,
cooling units) have to be considered!
The application of this light fitting is depending on the properties of the
surrounding dust. Please ensure that there will be an adequate difference
between the maximum surface temperature of the fitting and the glowing
and the ignition temperature of the respective dust!
Fig.1
Fig. 2
Light fittings with electronic gear
OK
Explosion protected plastic LED light fittings Series: KLL 2
fault
8
Installation
For skilled electricians and trained personnel in accordance
with national legislation, including the relevant standards and,
where applicable, in acc. with IEC/EN 60079-14 on electrical
apparatus for explosive atmospheres.
The respective national regulations as well as the general rules
of.engineering which apply to the installation and operation of.
explosion protected apparatus, will have to be observed!.
Transport and storage of the luminaire is permitted in original.
packing and specified position only!.
The light fitting must be mounted in the instructed operation position (see
section 1, Technical Data)!
8.1
open the light fitting
see Fig. 1
-
Open the clips of the light fitting. The safety locking device can be
opened by means of a suitable screw driver only (see picture).
-
Remove the diffuser with the included reflector.
8.2
Electrical connection
-
Screw the explosion-proof cable glands and explosion-proof locking
screw supplied with the fitting into the borings of the housing by
using the lock nuts (Torques see section 1, Technical Data).
-
After mounting the light fitting housing insert the connection cable
through the explosion-proof cable gland. An inlaid dust protective
disc, if existing, must be removed before.
-
Fasten the pressing screw of the explosion-proof cable gland (Torque
see section 3, Technical Data).
Appropriate measures (e.g. pull relief clips) must be taken to
protect the connection cable which is inserted through the cable
entry from tractive forces and twist!
The diameter of the connection cable must correspond to the
sealing range of the explosion-proof cable gland (see section 3,
Technical Data)!
Cable entries, which are not used, must be closed with the
enclosed closure plug (see section 3, Technical Data)! An inlaid dust
protective disc, if existing, must be removed before.
The conductors must not be damaged when skinning resp.
stripping the cable!
When stripping the cable special attention needs to be paid to the
correct length of the conductor end sections (see section 3, Technical
Data)!
Connect the conductors to the right terminals as per marking.
It is important to ensure that the bare conductor is fully inserted
into the terminal and that no cable insulation is clamped!
The dimmable light fittings with DALI control unit have two additional
terminals, are marked with "DA".The cables for the DALI control unit have
to be suitable for the main voltage of the light fitting.
8.3
Electronic gear in 3-phase-operation
see Fig. 2
The diagram shows the wiring for light fittings or light fitting groups in
3-phase circuits and with a common neutral conductor N
If the common neutral conductor is interrupted and voltage is present,
then light fittings or groups of light fittings may be exposed to unaccept-
ably high voltages and consequently the electronic gear may be de-
stroyed.
GB
9
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