
GFE-SWR - INSTALLATION MANUAL - 12/2016
globalfire.pt
7.1 Commissioning
Before the flame detector is activated, the following steps must be executed:
1. Clean the detector window.
2. Close the housing of the flame detector.
3. Check the position and the alignment of the flame detector.
4. Check if there are potential false alarm sources in the sight of the flame detector.
5. Check if this is a correct and valuable application for a flame detector.
6. Check the cabling in between the flame detector and the fire control panel or PLC.
7. Check the shield of the cabling.
8. Check the grounding of the fire control panel or PLC.
9. Check the ingress protection and the cable gland.
10. Thoroughly tighten all fasteners.
11. Thoroughly tighten the cable gland.
12. Perform a functional test with a test lamp.
Before the final commissioning is done, the flame detector should be in use with idled outputs of the fire control panel or PLC, for a time which
should represent the normal operating conditions. During the test mode the set-up should be checked and, if needed, modified, until all flame
detectors are showing a fault free operation. After a final functional test with help of a test lamp, the commissioning can be finalized.
7.2 Testing
The flame detector has been tested in the factory. However, the flame detector should be regularly functionally tested in an “end-to-end” test
to make sure that the combination of the flame detector and panel responds properly to a fire. The detector window should be clean. A layer of
contamination, fat, oil or water lowers the sensitivity of the flame detector.
If the user defined a performance-requirement, with the help of a test fire it can be tested if the requirements are met. For a test fire, the right
fuel, the right fire size, the right detection distance should be chosen and also possible additional requirements should be considered. Make
sure that before and during the test fire all necessary safety precautions are taken, to avoid harm on persons and damage of goods, caused by
the test fire.
We supply a test lamp that is suitable for functional testing the flame detector. Read the test lamp instructions before you start the functional
test.
7.3 Failure analysis
False alarms may occur because of the following causes:
1. The flame detector is activated by a known or unknown source in the sight of the flame detector.
2. The flame detector is activated by electromagnetic interference on the cabling and/or on the electronics.
3. The flame detector is activated by wrong or damaged cabling.
4. The electronics of the flame detector is damaged.
For fault finding it is necessary to thoroughly search the root cause of the false alarm or fault and of the circumstances during the false alarm or
fault. For example time, date, weather conditions are important features for determining the cause of a false alarm or fault.
Remarks:
If you ask us for technical support, make sure that you well-reported the fault in the log.
First of all the power supply should be checked: voltage, current, ripples on the voltage signal etc. Next check all items mentioned in the
section Commissioning. Exchange, if possible, the flame detector with a spare flame detector or exchange the detector with a flame detector
on the site, which is working properly, if the set up contains more than one flame detector.
To determine if the false alarm is caused by an event in the field of view of the flame detector, the flame detector window should be covered.
Make sure that no light or other radiation can reach the sensors of the flame detector. If the flame detector is still generating a false alarm, it
may be caused by the cabling or by the electronics. Make sure that after the test the detector window is uncovered again.