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The LFE50... together with the QRA50M / QRA51M form a
self-checking UV flame supervision system (DETACTOGYR?) designed
for use with continuously operating oil or gas burners or burners
operating without interruption for more than 24 hours.
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LFE50... and the flame detectors QRA50... / QRA51....
It is designed for UV supervision and can therefore be used in
connection with oil burners, gas burners and gas / oil burners.
Automatic startup and control of these burners must be ensured with
a control unit LEC1... (refer to Data Sheet 7761). The system is
also suited for the supervision of manually operated burners.
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Prerequisite for the use of the DETACTOGYR system is
sufficiently high UV radiation
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at the flame detector’s mounting location.
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For combustion plant where heat generation must also
be ensured in the event the
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flame supervision system fails, active redundancy
circuitry can be accomplished by using 2 DETACTOGYR systems.
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