Federal Signal Corporation 154XST Quick guide

MODEL 154XST
INSTALLATION AND SERVICE INSTRUCTIONS FOR MODEL 154XST
STROBE LIGHT FOR USE IN HARSH ENVIRONMENTS/
HAZARDOUS LOCATIONS
2561762B
REV. B 210
Printed in U.S.A.

INSTALLATION AND SERVICE INSTRUCTIONS FOR MODEL 154XST STROBE LIGHT
FOR USE IN HARSH ENVIRONMENTS/HAZARDOUS LOCATIONS
SAFETY MESSAGE TO INSTALLERS, USERS AND MAINTENANCE PERSONNEL
It is important to follow all instructions shipped with this product. This device is to be installed by a
trained electrician who is thoroughly familiar with the National Electrical Code and will follow the
NEC Guidelines as well as local codes.
The selection of the mounting location for the device, its controls and the routing of the wiring is to
be accomplished under the direction of the facilities engineer and the safety engineer. In addition,
listed below are some other important safety instructions and precautions you should follow:
•Readandunderstandallinstructionsbeforeinstallingoroperatingthisequipment.
•Donotconnectthislighttothesystemwhenpowerison.
•Afterinstallation,ensurethatthesetscrewisproperlytightenedandthatthreadedjointsarefully
engaged.
•Afterinstallation,testthelightsystemtoensurethatitisoperatingproperly.
•Aftertestingiscomplete,provideacopyofthisinstructionsheettoalloperatingpersonnel.
•Establishaproceduretoroutinelycheckthelightinstallationforintegrityandproperoperation.
Failure to follow all safety precautions and instructions may result in property damage, serious
injury,ordeathtoyouorothers.
I. GENERAL.
The Model 154XST Strobe Light is a UL listed visual signal for hazardous and marine locations
and has been investigated by UL as meeting Type 4X (water tight and corrosion resistant) enclo-
surerequirements.Itprovidesabout80high-intensityashesperminute.Theeffectivecandle-
power (ECP) of the light is 165 with a clear globe installed. The unit is available for 12 through
24VDC.
II. INSTALLATION.
A.Unpacking.
WARNING
Damagedglobescanleadtoexplosionswhichcouldresultinseriousinjuryordeath.
AfterunpackingtheModel154XST,examineitfordamagethatmayhaveoccurredintransit.If
theequipmenthasbeendamaged,donotattempttoinstalloroperateit,leaclaimimmediately
withthecarrierstatingtheextentofthedamage.Carefullycheckallenvelopes,shippinglabels
and tags before removing or destroying them.
B. Mounting.
CAUTION
Toreducetheriskofreorexplosion,donotinstallinahazardouslocationiftheoperatingtempera-
ture(seetable1)exceedsthehazardousatmosphere’signitiontemperature.
Beforeproceeding,usetable1asaguideanddeterminethattheunit’soperatingtemperature
DOESNOTexceedthehazardousatmosphere’signitiontemperature.
For marine applications, all wiring including supply wire must be stranded wire and meet the
USCG(CFR46)Sections(110-113).
TheModel154XSThasprovisionsformountingto3/4"pipeandmaybemountedinany
position. Before mounting, ensure that mating threads are clean. To prevent the ingress of water
and dust, apply conductive sealant to the conduit threads prior to mounting. If non-conductive
sealantisused,theenclosuremustbeearthedviatheprovidedinternalgroundingwire/ground-
ing screw to ensure proper grounding continuity. In high-humidity environments when units are
-1-

mounted dome down, condensation may occur in the conduit system. Use properly rated conduit
seals/drainstopreventmoisturefromenteringthexture.Threadthextureontothe3/4"pipe
and secure with the set screw.
Thedomeguard(Part#K8449090)maybeusedasanaccessory.Itismountedonthe154XST
usingthetwosupplied#8-32screws.Adjustthetensiononthescrewsuntilthedomeguardis
squarewiththehousing.
C. Electrical Connections.
WARNING
This is a four-wire device, and when installed, all four wires must be terminated. Failure to terminate
bothredandbothblackwireswillresultinashockorrehazard.
The 154XST unit is provided with four leads; two red, and two black. To achieve electrical
supervision, connect one red (+) lead to the positive side of the incoming power source and the
other red (+) lead to the outgoing power source. Likewise, connect one black (–) lead to the
negative side of the incoming power source, and the other black (–) lead to the negative side of
the outgoing power source.
Ifrequired,thegreenscrewinthehousingisprovidedforconnectiontoanearthground(see
gure1).Togainaccesstothescrew,thepowersupplyassemblycanberemoved.Globe
removalisdescribedinparagraphIII.A.1.
NOTE
This unit is polarity sensitive, and may be damaged by incorrect electrical hookup. Polarity must be
observedforproperoperation.Inaddition,damagewillresultifthevoltageratingisexceeded.
III. MAINTENANCE.
WARNING
Topreventignitionofhazardousatmospheres,disconnectthexturefromthesupplycircuit
before opening. Keep tightly closed when in operation.
SAFETY MESSAGE TO MAINTENANCE PERSONNEL
Listed below are some important safety instructions and precautions you should follow:
• Readandunderstandallinstructionsbeforeoperatingthissystem.
• Anymaintenancetothelightsystemmustbedonewiththepowerturnedoff.
• Anymaintenancetothelightsystemmustbeperformedbyatrainedelectricianinaccordancewith
NEC Guidelines and local codes.
• Neveraltertheunitinanymanner.Safetyinhazardouslocationsmaybeendangeredifadditional
openingsorotheralterationsaremadeinunitsspecicallydesignedforuseintheselocations.
• Thenameplate,whichmaycontaincautionaryorotherinformationofimportancetomaintenance
personnel,shouldnotbeobscuredifexteriorofhousingsusedinhazardouslocationsarepainted.
• Brokenglobescanleadtoexplosionswhichcouldresultinseriousinjuryordeath.Iftheglobeis
damaged in any way, the complete globe assembly MUST be replaced.
• Theonlyelectricalcomponentstobereplacedbythecustomeraretheashtubeandthecircuit
board assembly.
A. Flash Tube Replacement.
Asstrobelightsareused,theashtubesbegintodarken,causingthelightoutputtodecrease.
Thisdarkeningischaracteristicofashtubes.Darkeningwillbeginnearthebaseofthetube
andprogressupward.Also,asashtubesage,theymayhaveatendencytomisre(notre
periodically).
Afterextendedoperation,occasionallycheckforashtubedegradation.Shouldtheashtube
misre,haveanoticeabledecreaseinlightoutput,glowcontinuouslyordarkentoapoint
beyondthatshowningure2,itshouldbereplaced.
-2-

WARNING
High voltages are present inside the light assembly. Wait at least 5 minutes after shutting off
the power before servicing this unit.
Tochangetheashtube,proceedasfollows:
1. To remove the globe assembly, grasp the metal ring attached to the globe and turn it counter-
clockwise. If the globe assembly will not unscrew, place a screwdriver blade against one of
the four bosses on the metal ring attached to the globe. Gently tap the screwdriver handle to
loosen the globe assembly from the base casting.
WARNING
To maintain effectiveness of hazardous location enclosure, do not damage globe or threads while
disassemblingorreassemblingunit.Lubricatedthreadedjointsexposedforlongperiodsoftimemay
attractsmallparticlesofdirtorotherforeignmaterials.Bodyandcoverjointsshouldbereassembled
immediately, with all threads fully engaged.
2. Withthegloberemoved,gentlypulltheashtubefromitssocket.Arockingmotionismost
helpful when installing or removing the tube.
3. ReplacetheashtubewithFederalSignalPartNo.K149122.Ensurethatthereplacement
tube is fully seated in the socket.
4. Replacetheglobeassembly.Ensurethattheglobeassemblyisseatedsecurelyagainstthe
gasket.
5. Test the light for proper operation.
B. Power Supply Replacement.
WARNING
High voltages are present inside the light assembly. Wait at least 5 minutes after shutting off the
power before servicing this unit.
1.RemovetheglobeassemblyasdescribedinparagraphIII.A.1.
2.Removeandretainthescrewwhichsecuresthepowersupplycircuitboardtothehousing.
3.Disconnectthepowerconnectorfromtheoldpowersupplyandconnectittotheconnectoron
the new power supply.
NOTE
Ensure that the connector is fully seated on the circuit board connectors.
4. Secure the new power supply to the housing with the previously removed screw.
5. Installthenewashtubeinthesocket.Ensurethattheashtubeisfullyseatedinthesocket.
6. Replacetheglobeassembly.Ensurethattheglobeassemblyisseatedsecurelyagainstthe
gasket.
7. Test the light for proper operation.
C. Cleaning Enclosure.
NOTE
Maintenanceproceduressometimesrequirexturestobehoseddownforgoodhousekeeping.
Thextureshouldbecleanedperiodicallytomaintainmaximumlightoutput.Onlymild,non-
abrasivecleaningagentsshouldbeused.Thewaterforceappliedbyahosemustnotexceed65
gallonsperminutefroma1"diameterhoseatadistanceof10feet.Theglassglobeshouldbe
regularly inspected for scratches and chips, and, if damaged, must be replaced.
D. Lubrication.
Threadedjointsshouldbewelllubricatedwithpetroleumorasoap-thickenedmineraloil.If
corrosiveproductshaveaccumulatedonjointsandcannotreadilyberemovedwithsolvents,the
parts should be discarded and replaced.
-3-

WARNING
Neveruseanabrasivematerialorletoremovecorrosiveproductsfromthreadedsurfaces.In
extremelycorrosivelocations,equipmentshouldbeperiodicallyinspectedtoguardagainstunusual
deterioration and possible porosity, since this may weaken the enclosure structurally.
E. Service.
TheFederalfactorywillserviceyourequipmentorprovidetechnicalassistancewithanyprob-
lems that cannot be handled locally.
AnyunitsreturnedtoFederalSignalforservice,inspection,orrepairmustbeaccompanied
byaReturnMaterialAuthorization.ThisR.M.A.canbeobtainedfromthelocalDistributoror
Manufacturer’sRepresentative.
Atthistimeabriefexplanationoftheservicerequested,orthenatureofthemalfunction,should
be provided.
Addressallcommunicationsandshipmentsto:
FEDERAL SIGNAL CORPORATION
Industrial Systems
ServiceDepartment
2645FederalSignalDrive
UniversityPark,IL60484-3167
708-534-4858(Service)
708-534-3424,extension5823(TechnicalAssistance)
F. Replacement Parts.
Description Part Number
DomeAssembly,Red K8449078
DomeAssembly,Amber K8449078-01
DomeAssembly,Blue K8449078-02
DomeAssembly,Green K8449078-03
DomeAssembly,Clear K8449078-04
Gasket K8449080
PowerSupplyAssy.,12-24VDC K2001173
FlashTube K149122
DomeGuard K8449090
-4-
Table 1.
Hazardous
Environment
Max.Temperature/ULTempera-
tureCodeat40°CAmbient
Max.Temperature/ULTempera-
tureCodeat66°CAmbient
ClassI,Division2 260°C/T2B 300°C/T2
Class II, Groups E, F, G 100°C/T5 100°C/T5
Class III 100°C/T5 100°C/T5

English
A. Groundscrew(green)
B. 1/4-20setscrew
C. 3/4-14N.P.T.
D. Fieldwiring
E. Wrap power leads once
around washer then pull through casting.
-5-
290A4344
B
A
C D
E
1

English
A.Newashtube(K149122)
B.Usedashtubetendstodiscolorinareasshown,andshouldbereplaced.
290A4375
B
A
2
Industrial Systems
2645 Federal Signal Drive • University Park, IL 60484-3167
Tel: [phone] • Fax: [phone]
Email: [email protected] • www.federalsignal-indust.com