Federal Signal 141ST-120, 141ST-240 Installation Guide
Models 141ST-120 and 141ST-240
Electraash® Strobe Warning Lights
for Indoor/Outdoor Use
Installation and
Maintenance Instructions
256810G
Rev. G1 1014
Printed in U.S.A.
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
specications 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, afrmation, or warranty
concerning the goods and any such representation, afrmation 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: 708-534-4756 • 877-289-3246 • Fax: 708-534-4852
Email: elp@federalsignal.com
www.federalsignal-indust.com
2
Contents
Safety Messages to Installers and Users ........................................ 5
Unpacking the Light ......................................................................... 6
Mounting the Light ............................................................................ 6
Wiring the Light ................................................................................. 7
Safety Message to Maintenance Personnel .................................... 8
Replacing the Strobe Tube ............................................................... 9
Replacing the Circuit Board ........................................................... 10
Cleaning the Enclosure................................................................... 11
Ordering Replacement Parts and Accessories ............................ 12
Getting Repair Service or Technical Assistance .......................... 12
Returning the Product for Credit ................................................... 12
Figures
Figure 1 Options for mounting the light..............................................6
Figure 2 Dome removed from base ................................................. 10
Tables
Table 1 Replacement Parts .............................................................. 12
Table 2 Optional accessories ........................................................... 12
Electraash® Models 141ST-120 and 141ST-240
3
© 2014 Federal Signal Corporation. All rights reserved.
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Installation and Maintenance Instructions
Safety Messages to Installers and Users
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 device should be considered a part of the warning system and not
the entire warning system.
The selection of the mounting location for the device, 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 equipment.
• Do not connect this light to the system when power is on.
• Never alter the light in any manner. Safety may be affected
if additional openings or alterations are made to the internal
components or housing.
• After installation, test the light system to ensure that it is operating
properly.
• After testing is complete, provide a copy of these instructions to
all personnel.
• Establish a procedure to routinely check the light system for
proper activation and operation.
• Not to be used as a visual public mode alarm notication
appliance.
Failure to follow all safety precautions and instructions may result in
property damage, serious injury, or death.
Electraash® Models 141ST-120 and 141ST-240
5
Installation and Maintenance Instructions
1/2
SURFACE MOUNT PIPE MOUNT
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. Disposal of all
shipping materials must be carried out in accordance with national
and local codes and standards. If any parts are missing, please
call Federal Signal Customer Support at +1 708-534-4756 or
+1 877-289-3246.
Mounting the Light
The 141ST model may be mounted on a at surface or a half-inch
pipe as shown in Figure 1. Optional wall brackets are available
for mounting the light on walls or at the corners (see “Ordering
Replacement parts and accessories” on page 12).
Figure 1 Options for mounting the light
1/2 in NIPPLE
in CLOSE NIPPLE
1/2 in LOCKNUT
MOUNTING SURFACE
1/2 in
CONDULET
Underwriters Laboratories has investigated the Model 225 to ensure
that it complies with the TYPE 4X (watertight and corrosion resistant)
and IP66 (dust-tight and protection against heavy seas) enclosure
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Electraash® Models 141ST-120 and 141ST-240
Installation and Maintenance Instructions
requirements. If the light is used outdoors, it MUST be mounted with
the DOME UP. Mounting hardware and installation details are left to
the installer.
Wiring the Light
SHOCK HAZARD: To avoid electrical shock hazards, do not
connect or disconnect wires while power is applied.
ELECTROSTATIC DISCHARGE: The circuitry of this warning light
can be damaged by electrostatic discharge (ESD). Always follow
anti-static procedures while installing this warning light.
Use only 14 AWG to 18 AWG wire for the power connections. Strip no
more than 0.25 inch of wire insulation from the ends of the power leads.
To connect power:
1. Remove the two outer dome screws in the base, and remove the
dome.
DO NOT TOUCH THE TUBE WITH BARE HANDS: Oil deposits
on the glass portion of the strobe tube 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 tube.
2. The strobe tube is located at inside the bottom of the base to
protect it during shipment. Remove the tape and insert the tube
into the connectors on the board surface. Make sure all three pins
enter the board connectors and apply pressure slowly to the outer
leads to properly seat the strobe tube.
3. Connect the AC power leads to the 120 Vac or 240 Vac terminals
of the two-position connector by inserting the stripped wire ends
into the connector as far as they can travel.
Electraash® Models 141ST-120 and 141ST-240
7
Installation and Maintenance Instructions
4. Make sure the insulation of the supply lead is ush with the
connector. If stranded wire is used, be sure that there are no loose
strands outside the connector plug that could touch the adjacent
lead and cause a short circuit.
5. Tighten the terminal screws to secure the wires in the connector.
6. Place the outer dome back into position and reinstall the two
outer dome screws
7. Apply power to verify the light operates properly.
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 power
turned off.
• Any maintenance to the light system must be performed by a
trained electrician who is thoroughly familiar with all applicable
national and local codes in the country of use.
• If the dome is damaged in any way, it should be replaced.
• Do not connect this light to the system when power is on.
• Never alter the unit in any manner. Safety may be compromised
if additional openings or other alterations are made to the internal
components or housing.
• The nameplate should NOT be obscured, as it contains cautionary
and/or other information of importance to maintenance personnel.
Ensure the nameplate remains readable if the housing exterior is
painted.
• After performing any maintenance, test the light system to ensure
that it is operating properly.
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Electraash® Models 141ST-120 and 141ST-240
Installation and Maintenance Instructions
Failure to follow all safety precautions and instructions may result in
property damage, serious injury, or death.
Replacing the Strobe Tube
SHOCK HAZARD: Strobe systems generate high voltages.
Disconnect power from the strobe system and wait at least 5
minutes before opening the unit. Do not apply power to the unit
while it is open. Failure to follow this warning could result in
serious injury or death.
HANDLE STROBE TUBES CAREFULLY: Strobe tubes get hot
enough to burn you. Always allow these tubes to cool before
handling them. Strobe tubes are also pressurized and, if broken,
can result in ying glass. Failure to follow this warning may result
in personal injury.
ELECTROSTATIC DISCHARGE: The circuitry of this warning light
can be damaged by electrostatic discharge (ESD). Always follow
ant-static procedures while replacing the circuit board.
To replace the strobe tube:
1. Disconnect power from the electrical circuit.
2. Wait at least ve minutes before removing the dome.
3. See Figure 2 on page 10. Remove the two outer dome screws in
the base assembly, and remove the dome.
4. Carefully remove the burnt-out strobe tube by lifting it from both
sides at once.
DO NOT TOUCH THE STROBE TUBE WITH BARE HANDS:
Oil deposits on the glass portion of the strobe tube 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 tube.
Electraash® Models 141ST-120 and 141ST-240
9
Installation and Maintenance Instructions
DOME
5. Insert the new tube into the connectors on the board surface.
Make sure all three pins enter the board connectors and apply
pressure slowly to the outer leads to properly seat the strobe tube.
6. Place the outer dome back into position and reinstall the two
screws in the outer dome.
7. Apply power and verify that the light operates properly.
Figure 2 Dome removed from base
DOME SCREW (2)
STROBE TUBE
MOUNTING SCREW IN PCB (2)
STROBE CIRCUIT BOARD
DOME BASE
Replacing the Circuit Board
SHOCK HAZARD: Strobe systems generate high voltages.
Disconnect power from the strobe system and wait at least 5
minutes before opening the light. Do not apply power to the light
while it is open. Failure to follow this warning could result in
serious injury or death.
ELECTROSTATIC DISCHARGE: The circuitry of this warning light
can be damaged by electrostatic discharge (ESD). Always follow
ant-static procedures while replacing the circuit board.
1. Remove the circuit board:
a. Disconnect power from the electrical circuit.
b. Wait at least ve minutes before removing the dome.
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Electraash® Models 141ST-120 and 141ST-240
Installation and Maintenance Instructions
c. See Figure 2. Remove the two outer dome screws in the base
assembly and remove the dome.
d. Disconnect power from the board connector.
e. Remove the two mounting screws positioned at the outer
corners of the circuit board.
f. Remove the circuit board.
2. Install the new circuit board:
CIRCUIT BOARD DAMAGE: Do not overtighten the mounting
screws. Damage to the printed circuit board will result.
a. Place the new circuit board on top of the posts, and reinstall
the mounting screws.
b. Connect the AC power leads to the 120 Vac or 240 Vac
terminals of the two-position connector by inserting the
stripped wire ends into the connector as far as they can travel.
c. Make sure the insulation of the supply lead is ush with the
connector. If stranded wire is used, be sure that there are no
loose strands outside the connector plug that could touch the
adjacent lead and cause a short circuit.
d. Tighten the terminal screws to secure the wires in the
connector.
e. Place the outer dome back into position, and reinstall the
two outer dome screws.
f. Apply power and verify that the light operates properly.
Cleaning the Enclosure
The enclosure should be cleaned periodically to maintain maximum
light output. Use only mild, non-abrasive cleaning agents. The dome
should be regularly inspected for scratches and chips, and if damaged,
it should be replaced.
Electraash® Models 141ST-120 and 141ST-240
11
Installation and Maintenance Instructions
Ordering Replacement Parts and Accessories
To order accessories and replacement parts, call Federal Signal
Customer Support at 708-534-4756 or 877-289-3246.
Table 1 Replacement Parts
Description Part Number
Dome, Amber K8263079
Dome, Blue K8263079-01
Dome, Red K8263079-02
Dome, Green K8263079-03
Strobe Tube K149128
PCBA, 120 V K2001195
PCBA, 240 V K2001195-01
Table 2 Optional accessories
Description Part Number
Corner Bracket LCMB2
Wall Bracket LWMB2
Getting Repair Service or Technical Assistance
Products returned for repair require a Return Authorization form
from your local distributor or from Federal Signal. For repair service
or technical assistance from Federal Signal, call 708-534-4756 or
877-289-3246.
For instruction manuals and information on related products, visit:
www.federalsignal-indust.com.
Returning the Product for Credit
Product returns for credit require a return authorization from your
local distributor prior to returning the product to Federal Signal.
Please contact your distributor for assistance.
A product is qualied to be returned for credit when the following
conditions are met:
• Product is resalable and in the original cartons
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Electraash® Models 141ST-120 and 141ST-240
Installation and Maintenance Instructions
• Product has not been previously installed
• Product is the current revision
• Product has not been previously repaired
• Product is a standard product
• Product is not a service part
All returns are subject to a re-stock fee.
Defective products that are returned within the warranty period will
be repaired or replaced at Federal Signal’s sole discretion. Defective
products do not include those products with lamp failure.
Circumstances other than those listed above will be addressed on a
case-by-case basis.
Electraash® Models 141ST-120 and 141ST-240
13
Industrial Systems
2645 Federal Signal Drive • University Park, IL 60484-3167
Tel: 708-534-4756 • 877-289-3246 • Fax: 708-534-4852
Email: elp@federalsignal.com
www.federalsignal-indust.com
14
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