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©Firefly AB (November 2015)
time delay setting. It is not recommended that the model 540/545 test
source be used for testing flame detectors with delays exceeding three
seconds.
Upon release of the model 540/545 trigger, a period of approximately
60 seconds is required for the battery pack to regain full capacity. The
model 540/545 circuitry includes a lock-out feature; attempts to retest
prior to completion of battery recovery period will result in no output
signal being generated from the 540/545 test source.
The quartz halogen lamps used in the model 540/545 generate
significant amounts of heat during use. Therefore, when using the test
source, it is recommended that in cases where several tests of up to
ten seconds duration are to be made, cool-down periods are allowed
between successive tests. It is important to note the case temperature
during use and allow the model 540/545 to cool if it becomes
noticeably warm to the touch.
Failure of the flame detector to respond indicates one of the following:
• The distance between the test source and the flame detector is too
great.
• Aiming of the test source was not accurate enough to excite both
channels of the flame detector.
• The flame detector under test is inoperable.
• The flame detector optics (windows) require cleaning. Clean the
optics and repeat the test.
• Obstructions between the flame detector and test source may
be preventing sufficient “light energy” from reaching the flame
detector face.
• The test source battery may have insufficient charge or is
malfunctioning.
Battery pack maintenance
In order to ensure long life capacity of the NiCad battery pack please
use the following suggestions.
• New battery packs will require 4 to 6 full charge/discharge cycles to
reach full capacity.
• Allow the battery pack to fully discharge before recharging it. The
NiCad chemistry will allow for proper operation until it nears the
end of its charge cycle. Recharging the battery pack prior to being
fully discharged can change the battery chemistry and shorten the
discharge cycle.
• Allow the test source and battery to fully cool before charging.
Battery pack replacement procedure
Caution:
Do not open and or attempt to replace the battery pack in
hazardous environments.
1. Loosen the two 4-40 set screws in the rear cover using a .050 Allen
wrench (hex key).
2. Remove the rear cover. Note: Be careful not to get the anti-seize
compound on hands and clothes.
3. Carefully remove the battery pack plug from the control board
connector. The battery pack plugs into the left connector on the
control board when the pistol grip handle is pointing downward.
4. Remove the battery pack.
5. Insert the battery pack replacement into the battery pack holder.
Insure the battery pack is fully seated in the holder.
6. Plug the battery pack into the open connector on the left side of
the control board J1.
7. Securely attach the rear cover by tightening five to six turns (mini-
mum). Re-tighten the two set screws.
8. Charge the battery pack per the first paragraph within the opera-
ting instructions of this manual.
Optional equipment
Part No.
Description
22663
Charger with adapter plug
100-240 VAC universal input
Including wall outlet plugs for EU, UK , US and AUS
70718
NiCad Battery Pack
Picture shows Omniguard model S40 test source. Model 545 test source has the same dimension as model 540.
