Federal Signal Corporation VITALITE 121A User manual

8444335D
REV. D 613
Printed in U.S.A.
Models 121A and 121S
Vitalite® Rotating Lights
Installation and
Maintenance Instructions
français...............page 15
español...............página 29

Warranty – Seller warrants all goods for ve years on parts and 2-1/2 years
on labor, under the following conditions and exceptions: Seller warrants that
all goods of Seller's manufacture will conform to any descriptions thereof for
specications which are expressly made a part of this sales contract and at
the time of sale by Seller such goods shall be commercially free from defects
in material or workmanship. Seller reserves the right at the Seller’s discretion
to “Repair and Return” or “Replace” any item deemed defective during the
warranty period. This warranty does not cover travel expenses, the cost of
specialized equipment for gaining access to the product, or labor charges for
removal and reinstallation of the product. This warranty shall be ineffective
and shall not apply to goods that have been subjected to misuse, neglect,
accident, damage, improper maintenance, or to goods altered or repaired by
anyone other than Seller or its authorized representative, or if ve years have
elapsed from the date of shipment of the goods by Seller with the following
exceptions: lamps and strobe tubes are not covered under this warranty.
Outdoor warning sirens and controllers manufactured by Federal Warning
Systems are warranteed for two years on parts and one year on labor. No
agent, employee, representative or distributor of Seller has any authority to
bind the Seller to any representation, afrmation, or warranty concerning
the goods and any such representation, afrmation or warranty shall not be
deemed to have become a part of the basics of the sales contract and shall
be unenforceable. THE FOREGOING WARRANTIES ARE EXCLUSIVE AND
IN LIEU OF ALL OTHER WARRANTIES OR MERCHANTABILITY, FITNESS
FOR PURPOSE AND OF ANY OTHER TYPE, WHETHER EXPRESS OR
IMPLIED. These warranties shall not apply unless Seller shall be given
reasonable opportunity to investigate all claims for allegedly defective goods.
Upon Seller's instruction a sample only of allegedly defective goods shall be
returned to Seller for its inspection and approval. The basis of all claims for
alleged defects in the goods not discoverable upon reasonable inspection
thereof pursuant to paragraph 8 hereof must be fully explained in writing and
received by Seller within thirty days after Buyer learns of the defect or such
claim shall be deemed waived.
Industrial Systems
2645 Federal Signal Drive • University Park, IL 60484-3167
Tel.: [phone] • 1-877-289-3246 • Fax: [phone]
www.federalsignal-indust.com • www.fs-isys.com

Models 121A and 121S Vitalite®Rotating Light
3
Contents
Safety Messages to Installers .......................................................... 5
Overview of Models 121A and 121S ................................................ 6
Unpacking the Light.......................................................................... 6
Pipe Mounting the Light.................................................................... 6
Surface Mounting the Light.............................................................. 6
Wiring the Model 121A (24 Vdc) ....................................................... 7
Wiring the Model 121S (120 Vac)...................................................... 7
Safety Messages to Maintenance Personnel.................................. 8
Replacing the Lamp ......................................................................... 9
Cleaning the Reector .................................................................... 10
Lubrication..................................................................................... 11
Getting Repair Service or Technical Assistance ......................... 11
Ordering Accessories and Replacement Parts ............................ 11
Returning a Product for Credit....................................................... 12
Tables
Table 1 Replacement parts .............................................................. 11
Table 2 Mountng kits ........................................................................12
Figures
Figure 1 Cross section of lamp ........................................................10

© 2013 Federal Signal Corporation. All rights reserved.

5
Installation and Maintenance Instructions
Models 121A and 121S Vitalite®Rotating Light
Safety Messages to Installers
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/
or Canadian Electrical Code and will follow the NEC and/or
CEC Guidelines as well as all local codes. This light should be
considered a part of the warning system and not the entire warning
system.
The selection of the mounting location for the light, its controls
and the routing of the wiring are 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 light.
• Donotconnectthislighttothesystemwhenpowerison.
• Afterinstallation,makesurethatallsetscrewsandthreaded
joints are properly tightened.
• Afterinstallation,testthelighttomakesurethatitisoperating
properly.
• Aftertestingiscomplete,provideacopyofthisinstruction
booklettoallpersonnel.
• Establishaproceduretoroutinelycheckthelightforproper
activation and operation.
Failure to follow all safety precautions and instructions may result
in property damage, serious injury, or death.

6
Installation and Maintenance Instructions
Models 121A and 121S Vitalite®Rotating Light
Overview of Models 121A and 121S
Models121Aand121Srotatinglightsaredesignedformounting
onaathorizontalorverticalsurfaceorona1/2"NPTthreaded
pipe. Mounting on a vertical surface with the lens positioned
upward can be accomplished using a separately purchased Federal
Signalwall(ModelLWMB2)orcorner(ModelLCMB2)mounting
bracket.TheModel121Aisavailablefor24Vdc,andtheModel
121Sisavailablefor120Vac,50/60Hz.
Unpacking the Light
Afterunpackingthelight,examineitfordamagethatmayhave
occurred in transit. If the light has been damaged, do not attempt
to install or operate it. File a claim immediately with the carrier,
statingtheextentofthedamage.Carefullycheckallenvelopes,
shipping labels, and tags before removing or discarding them. If
anypartsaremissing,pleasecallFederalSignalCustomerSupport
at708-534-4756or877-289-3246.
Pipe Mounting the Light
Models121Aand121Scanbemountedon1/2inchpipe.
Mounting hardware and installation details are left to the installer.
NOTE: To prevent the connection from loosening, tighten the
xturetoaMINIMUMtorqueof5ft.-lb(6.8N•m)afterthreading
it onto the pipe.
Surface Mounting the Light
Tomountthelightonaatsurface:
1. Usingthegasketasatemplate,scribethethreemounting
holes and the center hole for surface mounting.
2. Drilla3/16"(4.8mm)diameterholeateachofthethree
scribedmountingmarks.
3. Drillorpuncha1"(25.4mm)diameterholeatthecenterfor
the wires.

7
Installation and Maintenance Instructions
Models 121A and 121S Vitalite®Rotating Light
4. Placethelightonthegasketandattachthelighttothe
mountingsurfaceusingtheprovided#8-32screws.
Wiring the Model 121A (24 Vdc)
SHOCK HAZARD—To avoid electrical shock hazards, do not
connect wires while power is applied.
REVERSE POLARITY/MISWIRING—The 121A is polarity
sensitive and MAY BE DAMAGED by incorrect electrical hookup.
Damage will result if the voltage rating of the particular model is
exceeded.
TheModel121Adirectcurrentunitissuppliedwithtwoleads(one
redandoneblack).
To wire the light:
1. Connectthered(+)leadtothepositivepower-source
terminal.
2. Connectheblack(-)tothenegativepower-sourceterminal.
3. Test the light for proper operation.
Wiring the Model 121S (120 Vac)
SHOCK HAZARD—To avoid electrical shock hazards, do not
connect wires while power is applied.
The120Vacunitsaredesignedtooperateonboth50Hzand
60Hzelectricalpower.SpecialmodicationsareNOTrequired
forthetwodifferentAClinefrequencies.
TheModel121Salternatingcurrentunitsaresuppliedwiththree
leads(oneblack,onewhite,andonegreen/yellow).

8
Installation and Maintenance Instructions
Models 121A and 121S Vitalite®Rotating Light
To wire the light:
1. Connecttheblackleadtothephasesideofthepowersource.
2. Connectthewhiteleadtothecommon(neutral)sideofthe
power source.
3. Connect the the green/yellow lead to earth ground.
4. Test the light for proper operation.
Safety Messages 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/CEC Guidelines
and local codes.
• Neveraltertheunitinanymanner.Safetymaybeendangeredif
additional openings or other alterations are made to units.
• Thenameplate,whichcontainscautionaryorotherinformation
of importance to maintenance personnel, should not be
obscured.
• Ifthedomeisdamagedinanyway,thecompletedome
assemblyMUSTbereplaced.
• Afterperforminganymaintenance,testthelightsystemto
ensure that it is operating properly.
Failure to follow all safety precautions and instructions may result
in property damage, serious injury, or death.

9
Installation and Maintenance Instructions
Models 121A and 121S Vitalite®Rotating Light
Replacing the Lamp
SHOCK HAZARD—To avoid electrical shock hazards, do not
disconnect or connect wires while power is applied.
HANDLE THE LAMP CAREFULLY—Incandescent lamps get hot
enough to burn you. Always allow these lamps to cool before
handling It. Incandescent lamps are also pressurized and, if
broken, can result in ying glass. Failure to follow this warning
may result in personal injury.
DO NOT TOUCH LAMP WITH BARE HANDS—Oil deposits on
the glass portion of the incandescent lamp can cause the glass
to fracture during use. If you are unsure if the glass has been
handled without gloves, clean the glass using a soft cloth and
isopropyl alcohol before installing the lamp.
To replace the lamp:
1. Disconnectpowerandallowthelamptocool.
2. SeeFigure1onpage10.Removethescrewlocatedatthe
bottom of the dome.
3. Grasp the top of the dome and push it down while turning the
domecounter-clockwiseapproximately3/4-inch.
4. Gentlyliftthedomeaway.Ensurethegasketbetweenthe
dome and base is not lost.
5. Grasp the lamp as close to the base as possible, and gently
pushthelamptowardthesocketwhileturningitcounter-
clockwise.
6. Insertthenewlampwhilegentlypushingittowardthesocket
whileturningthelampclockwise.Makesurenottoleaveany
residue on the glass.

10
Installation and Maintenance Instructions
Models 121A and 121S Vitalite®Rotating Light
7. Beforereplacingdome,ensurethatthegasketisproperly
seated on the housing base.
8. Placethedomeoverthebasewhilealigningtherecesses
insidethedomelipwiththefourpinsonthebase.Pushdown
onthedomeandturnitclockwiseuntilitlocksinplace
(approximately3/4-inch).
9. Replacethescrewinthebottomofthedome.
10. Test the light for proper operation.
Figure 1 Cross section of lamp
5.13" /130 mm
6.26" /
159 mm
SCREW
IN BASE
POLYCARBONATE
DOME
LAMP
INCANDESCENT
290A7381
1/2 " NPT
PIPE MOUNT
Cleaning the Reector
Tocleanthereector:
1. Disconnectpowerandallowthelamptocool.