Dräger Flame 2100 Notice D'utilisation page 15

en Use
Aiming the flame detector

The flame detector should be aimed toward the center of the

detection zone and have an unobstructed view of the
protected area.
Whenever possible, the flame detector face should be tilted

down at a 45º angle to maximize coverage and prevent
accumulation of dust and dirt.
Do not start an installation unless all conceivable considera-

tions regarding detection location have been taken into ac-
count.
Using flame detectors with EOL resistor

Flame detectors with EOL resistor can be used in systems where
the flame detectors are connected as 4-wire connection to the
control unit through fault and alarm relay. The resistor will be
connected between terminal 5 and 6 of the flame detector. A
corresponding label will be glued in the back cover of the detector.
Detector status Characteristics
Normal operation control unit will see the end of line
Fault control unit will see disconnection
Alarm control unit will see short circuit
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3.2
Do not repair or modify the flamepaths of the flame detector.

The unit may be painted or fitted with optional accessories. Some

of these parts are made of a non-metallic material or have a non-
metallic coating which could potentially generate an ignition-
capable level of electrostatic charge under certain extreme
conditions (such as high-pressure steam). Do not damage the
coating and clean the equipment with a damp cloth only to prevent
a build-up of electrostatic charges on the non-conducting surfaces.
The 3 fastening screws used to secure the cover of the flameproof

compartment have a yield stress of 344 N/mm². Any replacement
fasteners shall have a yield stress of at least this value.
Special instructions for safe use