Federal Signal Corporation Global G-STR Series User manual

25500185 en
Rev. A0 1015
Printed in U.S.A.
Installation and
Maintenance Instructions
Global Series
Model G-STR Strobe Beacon
For Use in Hazardous Locations
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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] • 877-289-3246 • Fax: [phone]
Email: [email protected] • www.federalsignal-indust.com

Model G-STR Global Series Strobe Beacon 3
Contents
Safety Messages to Installers and Users............................................. 5
Certication............................................................................................. 6
Unpacking the Beacon........................................................................... 7
Creating Combination Fixtures in the Field......................................... 7
Mounting the Beacon............................................................................. 8
Mounting the Trunnion-Mount Beacon ............................................. 8
Mounting the Surface-Mount Ex d Beacon ..................................... 10
Mounting the Ex de Surface-Mount Beacon.....................................11
Safety Messages for Wiring................................................................. 13
Connecting to the Terminal Block ...................................................... 14
Preparing to Wire the Ex d Flameproof Models................................. 14
Wiring the Ex d Models........................................................................ 15
24 Vdc Models ................................................................................. 15
120 Vac and 220-240 Vac Models .................................................... 16
Preparing to Wire the Ex de Increased Safety Models...................... 17
Wiring the Ex de Models...................................................................... 18
24 Vdc Model ................................................................................... 18
120 Vac or 220-240 Vac Ex de Models ............................................ 19
Safety Messages to Maintenance Personnel..................................... 19
Maintaining the Beacon ....................................................................... 20
Cleaning the Enclosure .................................................................... 20
Replacing the Strobe Tube ............................................................... 20
Lubricating the Threaded Joints ....................................................... 22
Ordering Accessories and Replacement Parts ................................. 22
Getting Repair Service or Technical Assistance .............................. 25
Returning the Product for Credit ........................................................ 25

4Model G-STR Global Series Strobe Beacon
Contents
© 2015 Federal Signal Corporation. All rights reserved.
Tables
Table 1 Replacement parts ................................................................... 23
Table 2 Accessories .............................................................................. 23
Table 3 Choosing cable-entry devices for Equipment in Potentially
Explosive Atmospheres ..........................................................................24
Figures
Figure 1 Beacon and sounder combination xture ................................. 8
Figure 2 Front view of trunnion-mount beacon....................................... 9
Figure 3 Side view of trunnion mount ..................................................... 9
Figure 4 Bracket dimensions ................................................................ 10
Figure 5 Front view of Ex d beacon...................................................... 10
Figure 6 Side view of Ex d beacon ....................................................... 10
Figure 7 Front view of Ex de surface mount......................................... 11
Figure 8 Side view of Ex de surface mount .......................................... 12
Figure 9 Disengaging a terminal block spring clamp............................ 14
Figure 10 IN/OUT PCB connections for Ex d 24 Vdc ........................... 16
Figure 11 IN/OUT PCB connections for Ex d 120 Vac and 220-240 Vac ..16
Figure 12 Connections for DC or AC Ex de beacons .......................... 18

5
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
Safety Messages to Installers and Users
It is important to follow all instructions shipped with this product.
This beacon is to be installed by a trained electrician who is
thoroughly familiar with and will follow all applicable national and
local codes in the country of use.
This beacon should be considered a part of the warning system and
not the entire warning system.
The selection of the mounting location for the beacon, 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.
• To avoid electrical shock hazards, do not connect wires when
power is applied. Failure to observe this warning may lead to
serious injury or death.
• 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.
• Do not connect this beacon to the system when power is on.
• After installation, ensure that all threaded joints are properly
tightened.
• Keep the unit tightly closed when in operation.
• After installation, test the beacon system to ensure that it is
operating properly.
• After testing is complete, provide a copy of this instruction sheet
to all personnel.
• Establish a procedure to routinely check the beacon system for
proper activation and operation.

6
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
• Brass inserts have the potential to store charge when they are not
plugged. Consideration should be taken to prevent these from
becoming a sparking hazard.
• The lens guard has the potential to store charge. Consideration
should be taken to prevent this from becoming a sparking hazard.
• Maximum ash frequency is 90 FPM.
Failure to follow all safety precautions and instructions may result in
property damage, serious injury, or death.
Certication
Certicate Nos.: ATEX Cert No.: Baseefa15ATEX0154X
IECEx Cert No.: IECEx BAS 15.0103X
ATEX coding: II 2 G D
Protection: Ex db IIC T3 Gb
Ex db e IIC T3 Gb
Ex tb IIIC T200°C Db IP66
(Tamb= -50°C to +70°C)
Standards: E N60079-0: 2012 + A11:2013, EN60079-1: 2014
E N60079-7: 2007, EN60079-31:2014,
IEC60079-0: 6th Ed., IEC 60079-1 7th Ed.,
IEC 60079-7: 4th Ed., IEC60079-31: 2st Ed.
Specic Conditions of Use:
1. The Modular Visual Strobe has external non-metallic surfaces
which may provided a potential electrostatic charging hazard.
See the manufacturer’s instructions for further information.
2. The Modular Visual Strobe has metallic components in the non-
metallic walls of the enclosure which can store electrical charge
and therefore may provide a potential electrostatic charging
hazard. The metallic brass inserts have a capacitance of 14 pF.
The metallic guard has a capacitance of 18 pF. See the
manufacturer’s instructions for further information.

7
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
Unpacking the Beacon
EXPLOSION HAZARD: A damaged lens can lead to explosions,
causing serious injury or death. If a lens is damaged, it must be
replaced.
After unpacking the beacon, examine it for damage that may have
occurred in transit. If it 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 [phone] or [phone].
Creating Combination Fixtures in the Field
The Federal Signal Global Series Ex de products can be connected
together in the eld using interchangeable E-box end caps and a
proprietary coupling system. The proprietary coupling system allows
for simple, and cost effective, wiring from product to product, often
eliminating the need for expensive Ex wiring practices and Ex rated
glands. The E-box is available only when factory installed on an Ex d
unit or when used as a E-box spacer adjoining an existing E-box.
Refer to the accessories listed on page 23 for available options. When
creating certain xture combinations, it is necessary to replace the
E-box end caps before mounting the product. If you are creating
combination xtures, refer to instruction manual 25500259 for
specic instructions and details.
A note about combination xtures: If the product is Ex db marked,
it is for use in gas atmospheres. If the product is Ex db e marked,
it uses increased-safety terminal enclosures and is for use in
gas atmospheres. The product is Ex tb marked for use in dust
atmospheres.

8
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
Figure 1 Beacon and sounder combination xture
Mounting the Beacon
ATTACH THE BEACON SECURELY: To prevent injury, this
apparatus must be securely attached to the mounting surface
in accordance with the installation instructions. Use installer-
supplied fasteners suitable for the mounting surface.
The mounting method and the installer-supplied mounting hardware
depend on which of the three G-STR models you are installing:
Mounting the Trunnion-Mount Beacon
For the beacon dimensions, see Figures 2 and 3 on page 9.
Mount the trunnion bracket to a at surface using the two 7.0 mm
mounting holes (Figure 4 on page 10). Use installer-supplied
fasteners suitable for the surface to which the device will be
mounted.
To adjust the vertical angle of the beacon, loosen the fasteners on
the mounting bracket to disengage the ratchet. Vertically aim the
beacon, and tighten the fasteners.

9
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
Figure 2 Front view of trunnion-mount beacon
189.2 mm
(7.45 in)
215.2 mm
(8.47 in)
Figure 3 Side view of trunnion mount
227.4 mm
(8.95 in)

10
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
Figure 4 Bracket dimensions
60.0 mm
(2.36 in)
2X M6 SCREW HOLE
31.8 mm
(1.25 in)
Mounting the Surface-Mount Ex d Beacon
Mount the beacon to a at surface using the four 8.5 mm mounting
holes. Use installer-supplied fasteners suitable for the surface to
which the device will be mounted.
Figure 5 Front view of Ex d beacon
105.9 mm
(4.17 in
105.9 mm (4.17 in
)
Ø105.9 mm (5.27 in)
4X COUNTER-BORED
HOLES TO FIT M8
SOCKET-HEAD
CAP SCREWS
Figure 6 Side view of Ex d beacon
227.4 mm (8.95 in)
132.6 mm
(5.22 in)
34.9 mm
(1.38 in)
2X M20 GLAND ENTRIES

11
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
Mounting the Ex de Surface-Mount Beacon
Mount the beacon to a at surface using the six 8.5 mm mounting
holes. Use installer-supplied fasteners suitable for the surface to
which the device will be mounted.
Figure 7 Front view of Ex de surface mount
4X COUNTER-BORED
HOLES TO FIT M8
SOCKET-HEAD
CAP SCREWS
105.9 mm
(4.17 in)
23.2 mm
(0.91 in)
2X Ø8.5 mm
103.2 mm
(4.06 in)
122.6 mm
(4.83 in)
3X M20
GLAND
ENTRIES

12
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
Figure 8 Side view of Ex de surface mount
3X M20 GLAND ENTRIES
SEE“ACCESSORIES”SECTION FOR
REPLACEABLE E-BOX END CAPS
227.4 mm
(8.95 in)
272.0 mm
(10.71 in)

13
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
Safety Messages for Wiring
When installing and operating ame-proof electrical equipment,
the relevant national regulations for installation and operation (e.g.,
EN60079-14, IEC Wiring Regulations and NEC/CEC) must be
observed.
• To avoid electrical shock hazards, do not connect wires when
power is applied. Failure to observe this warning may lead to
serious injury or death.
• To maintain the ame-proof integrity of the enclosure, DO NOT
damage the strobe lens cover or threads while disassembling or
reassembling unit.
• Painting and surface nishes, other than those applied by Federal
Signal Corporation, are not permitted.
• Cable termination should be in accordance with specications
applying to the application. Federal Signal recommends that all
cables and cores should be fully identied.
• Ensure that only the correct equipment-certied glands are used
and that the assembly is shrouded and correctly earthed. Gland
entries are M20-1.5 6H with an option for the M25 entry on the
end of the increased safety box models. See Table 3 on page 24
for choosing correct cable entry devices for Equipment in
Potentially Explosive Atmospheres.
• Because of space limitations, ensure the cable cores within the
unit are not too slack.
• In all countries, the wiring must comply with all national and local
codes and standards.
• Ensure that all nuts, bolts, and xings are secure.

14
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
Connecting to the Terminal Block
The terminal block for all models uses a spring clamp connection
to engage the wire. To disengage the clamp, insert the tip of the
screwdriver into the small openings near the top and press down. Insert
the stripped wire into the larger opening and remove the screwdriver to
engage the wire clamp.
Figure 9 Disengaging a terminal block spring clamp
Preparing to Wire the Ex d Flameproof Models
SHOCK HAZARD: To avoid electrical shock hazards, do not
connect wires when power is applied. Failure to observe this
warning may lead to serious injury or death.
CIRCUIT BOARD DAMAGE: The DC units are polarity sensitive,
and MAY BE DAMAGED by incorrect electrical hookup. When
connecting the DC strobe unit to the voltage supply lines,
POLARITY MUST BE OBSERVED. In addition, damage will result
if the voltage rating of the particular model is exceeded by more
than 10 percent.
This section has wiring instructions for the three ameproof models:
• G-STR 24 Vdc
• G-STR 120 Vac
• G-STR 220-240 Vac

15
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
The maximum wire gauge is 2.5 mm2 (12 AWG). The wire must
be rated 85 °C or higher. Use only stranded cable to terminate the
beacon. The cross-sectional area of the primary earth (ground) must
equal the cross-sectional area of the phase conductor.
Cable termination for these models should be in accordance with
specications applying to the application. It is recommended that all
cables and cores should be fully identied. Use the appropriate cable
gland for the application. Gland entry threads are M20-1.5 x 6H.
Tools needed:
• 1.5 mm A/F hexagon key
• 2 mm at-tip screwdriver
• No. 1 Phillips screwdriver
• Wire stripper
Wiring the Ex d Models
To wire the Ex d models:
1. Unscrew the M3 hex set screw on the side of the housing one
full turn.
2. Remove the lens cover from the housing by turning the cover
counter-clockwise. Three 120 degree spaced reliefs are provided
for a 3/8 in spanner wrench if needed. If the cover will not
unscrew, back out the set screw a few additional turns.
3. Loosen the captive Phillips screw retaining the printed circuit
board (PCB).
4. Slide out the PCB until the terminals clear the housing. Strip the
wire insulation 5 mm to 6 mm (0.22 in).
24 Vdc Models
a. See Figure 10 on page 16. Connect the positive (+) power
source wire to the terminal-block screw marked +.
b. Connect the negative (▬) power source wire to the terminal
block screw marked ▬.

16
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
c. Connect the earth ground wire to the terminal block pole
marked -GND.
Figure 10 IN/OUT PCB connections for Ex d 24 Vdc
J4
GND GND
+ - + -
120 Vac and 220-240 Vac Models
a. See Figure 11. Connect the line (hot) power source wire to
the terminal-block screw marked L1.
b. Connect the neutral (common) power source wire to the
terminal block screw marked L2.
c. Connect the earth ground wire to the terminal block pole
marked GND.
Figure 11 IN/OUT PCB connections for
Ex d 120 Vac and 220-240 Vac
J4
GND GND
L1 L2 L2L1
5. Insert the PCB into the enclosure and fully tighten the PCB
captive screw.
6. Place the cover on the housing and tighten it by turning it
clockwise.
7. To ensure O-ring compression, the cover must be fully seated against
the housing when the threads are tightened. Turn the M3 set screw on
the side of the housing until the screw contacts the housing.

17
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
8. Ensure that the unused wire entry is sealed with the provided
brass M20-1.5 x 6 g stopping plug (equipment-certied).
9. Test the beacon for proper operation.
Preparing to Wire the Ex de Increased Safety Models
SHOCK HAZARD: To avoid electrical shock hazards, do not
connect wires when power is applied. Failure to observe this
warning may lead to serious injury or death.
This section has wiring instructions for the three increased safety models:
• G-STR 24 Vdc
• G-STR 120 Vac
• G-STR 220-240 Vac
The maximum wire gauge is 4.0 mm2 (12 AWG). The wire must be
rated 85 °C or higher. Use only stranded cable to terminate the beacon.
The cross-sectional area of the primary earth (ground) must equal the
cross-sectional area of the phase conductor.
Cable termination should be in accordance with specications
applying to the application. It is recommended that all cables and
cores should be fully identied. Use the appropriate cable gland for
the application. Gland entry threads are M20-1.5 6H.
Conductive metalwork, including cable glands, must be a minimum
of 5 mm away from the terminals.
Leads connected to the terminals shall be insulated for the appropriate
voltage and this insulation shall extend to within 1 mm of the metal of
the terminal throat.
The G-STR terminal block is supplied with three poles and two
conductors per pole. The terminal block allows for easy supply-in and
loop-out wiring to connect beacons in series.
Tools needed:
• 3.0 mm A/F hexagon key
• No. 1 Phillips screwdriver
• Wire stripper

18
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
Wiring the Ex de Models
CIRCUIT BOARD DAMAGE: The DC units are polarity sensitive,
and MAY BE DAMAGED by incorrect electrical hookup. When
connecting the DC strobe unit to the voltage supply lines,
POLARITY MUST BE OBSERVED. In addition, damage will result
if the voltage rating of the particular model is exceeded by more
than 10 percent.
To wire the Ex de beacon:
1. Unscrew the four M4 socket-head cap screws and remove the
terminal box cover.
2. Strip the wire insulation 8 mm to 9 mm (0.33 in).
NOTE: When using more than one single or multiple strand lead, the
connection on either side of any terminal must be joined in a suitable
manner, e.g. two conductors into a single insulated crimped bootlace
ferrule.
24 Vdc Model
a. See Figure 12. Connect the positive (+) power source wire to
the terminal block pole marked L1/+.
Figure 12 Connections for DC or AC Ex de beacons
Aud+L1/+ L2/- L3/Alt+ Aud-
Aud+L1/+ L2/- L3/Alt+ Aud-
A A
b. Connect the negative (▬) power source wire to the terminal
block pole marked L2/-.

19
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
c. Connect the earth ground wire to the terminal block pole
marked .
120 Vac or 220-240 Vac Ex de Models
a. See Figure 12 on p. Connect the line (hot) power source wire
to the terminal block pole marked L1/+.
b. Connect the neutral (common) power source wire to the
terminal block pole marked L2/-.
c. Connect the ground wire to the terminal block pole marked .
5. Secure the cover on the terminal box with the four M4 screws.
Ensure that the gasket is properly seated to maintain the IP rating.
Do not overtighten the screws.
6. Test the beacon 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.
• If you acquired a signicant quantity of units, then it is
recommended that spares are also made available.
• Any maintenance to the beacon system must be done with power
turned off.
• Any maintenance to the beacon system must be performed by a
trained electrician who is thoroughly familiar with all applicable
national and local codes in the country of use.
• Never alter the unit in any manner. Safety of the unit may be
affected if additional openings or other alterations are made to the
internal components or housing.
• Repair of amepaths is not intended.

20
Installation and Maintenance Instructions
Model G-STR Global Series Strobe Beacon
• The nameplate, which may contain cautionary or other information
of importance to maintenance personnel, should NOT be obscured
in any way. Ensure that the nameplate remains readable.
• After performing any maintenance, test the beacon 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.
Maintaining the Beacon
EXPLOSION HAZARD: To prevent ignition of hazardous
atmosphere, disconnect the beacon from the supply circuit before
opening it. Do not open the beacon in the presence of explosive
gases in the atmosphere. Failure to follow this warning may result
in serious injury or death.
During the working life of the beacon, it should require little or no
maintenance. The non-metallic housing will resist attack by most
acids, alkalis, and chemicals and is as resistant to concentrated acids
and alkalis as most metal products. However, if abnormal or unusual
environment conditions occur due to plant damage or accident, etc.,
visual inspection of the beacon is recommended.
Cleaning the Enclosure
The enclosure should be cleaned periodically with a damp cloth to
maintain maximum light output. The polycarbonate colored strobe
lens should be regularly inspected for cracks. If it is damaged, it
must be replaced.
Refer to the “Certication” section on page 6 for any applicable
Specic Conditions of Use.
Replacing the Strobe Tube
EXPLOSION HAZARD: To maintain the ameproof integrity
of the enclosure, DO NOT damage the lens or threads while
disassembling or reassembling the beacon.