Dräger Flame 1350 Instrucciones De Uso página 8

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Description
WARNING
Explosion hazard!
A damaged flame path could lead to an explosion. Opening the flame detector
in an explosive atmosphere may cause an explosion.
► Do not open the flame detector in presence of an explosive atmosphere.
► Ensure that the flame path of the flame detector is not damaged during
installation.
CAUTION
Risk of damage to the device!
Incorrect disassembly of the flame detector may damage the device.
► Only appropriately trained service personnel may open the enclosure.
2.2.5 Status indicator
The status of the flame detector is indicated by the colour of a status LED
located below the lens:
LED
Steady OFF
Steady Green
Steady Yellow
Steady Red
One yellow flash at start up
Two yellow flashes at start up
Four yellow flashes at start up
2.3 Intended use
The flame detector is designed for use in areas that may contain a potentially
explosive atmosphere.
It is used to monitor an area and trigger the necessary control actions upon the
detection of fire or flame within its field of view.
8
Status
No power/Major internal fault
Healthy
Fault
Alarm
Set to low sensitivity (17.5 m)
Set to standard sensitivity (25 m)
Set to high sensitivity (39 m)
2.4 Limitations on use
– The flame detector is not approved for use in oxygen-enriched
atmospheres.
– As the flame detector responds to flame, it cannot be used in locations
where flare stacks and other open flames are within its field of view without
triggering false alarms.
– The flame detector responds to CO
cannot detect non-hydrocarbon fires such as those burning pure hydrogen.
– The flame detector may be obscured by extremely dense fog, smoke or
other airborne particulates.
– Arc welding should not take place within 10 m of the flame detector when
using the highest sensitivity setting.
2.5 Approvals
Authority/
Parameter
Standard
Hazardous area certification ATEX
Hazardous area certification NEC 505
Hazardous area certification NEC 500
Hazardous area certification IECEx
American fire service listing FM
Certified SIL 2 Capable Exida
Further standards can be found in the EU DoC at the end of this document.
2.6 Explanation of type-identifying marking and
symbols
The flame detector is fitted with a label that shows the certification and
conditions within which it can operate.
The following label is an example only.
emissions of a flame; therefore, it
2
Approval
II 2 G Ex db IIC T4 Gb
Class 1, Zone 1 AEx db IIC T4 Type 4X
Class 1, Div. 1, Groups B, C, D T4 Type
4X
Ex db IIC T4 Gb
Class 3260, 3615, 3600
pending
Instructions for use |