Federal Signal Corporation Global G-SPA Series User manual

Limited Warranty: This product’s limited warranty can be found at www.fedsig.com/SSG-Warranty
SAFETY MESSAGES TO INSTALLERS AND USERS :
It is important to follow all instructions shipped with this product. This amplied speaker 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 amplied speaker should be considered a part of the warning system and not the entire warning system.
The selection of the mounting location for the amplied speaker, its controls, and the routing of the wiring are to
be accomplished under the direction of the facilities engineer and the safety engineer. 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 amplied speaker to the system when power is on.
• All effective warning speakers produce loud sounds, which may cause, in certain situations, permanent hearing
loss. Take appropriate precautions such as hearing protection. The device should be installed far enough away from
potential listeners to limit their exposure while still maintaining its effectiveness.
• After installation, ensure that all threaded joints are properly tightened.
• After installation, test the amplied speaker system to ensure that it is operating properly
• Keep the unit tightly closed when in operation.
• After testing is complete, provide a copy of this instruction sheet to all personnel.
• Brass inserts have the potential to store a charge when they are not plugged. Consideration should be taken to
prevent these from becoming a sparking hazard.
• Establish a procedure to routinely check the amplied speaker system for proper activation and operation.
• This equipment is suitable for use in Class I, Division2, Groups A, B, C, D; Class II, Division 2, Groups F and G; Class
III or non-hazardous locations only.
• WARNING - EXPLOSION HAZARD: Do not disconnect while the circuit is live or unless the area is known to be free
of ignitable concentrations.
• WARNING - EXPLOSION HAZARD: Do not remove or replace the fuse when energized.
• The purchaser should make the manufacturer aware of any external effects or aggressive substances to which the
equipment may be exposed.
Failure to follow all safety precautions and instructions may result in property damage, serious injury, or death to you or
others.
With respect to the potential electrostatic charging hazard as mentioned in the certicate “Specic Conditions of Use,”
under normal conditions of use, these devices are for xed installations and not generally in contact with people. The risk
of ignition is low. In addition, maintenance, cleaning, and extreme environmental factors (e.g., high velocity dust-laden
atmospheres or high-pressure steam) should be taken into account by the end user using local Explosive Atmosphere
(Ex) Electrical installation design, selection, inspection, and maintenance Codes and Standards. Cleaning of the devices
should be done only with a damp cloth.
Global Series Model G-SPA
Amplied Speaker for Use in
Hazardous Conditions
25500188 Rev B8 0523

2Federal Signal signaling.fedsig.com
Certication
Certicate Nos: • ATEX Cert No.: Baseefa15ATEX0155X
• IECEx Cert No.: IECEx BAS 15.0104X
• UKEX Cert No. SGS23UKEX0086X
• ATEX coding: II 2 G D
Protection: • Ex db IIB T5 Gb or Ex db e IIB T5 Gb
• Ex tb IIIC T100°C Db IP66 (Tamb= -55°C to + 49°C)
• Ex db IIC T4 Gb or Ex db e IIC T4 Gb
• Ex tb IIIC T135°C Db IP66 (Tamb= -55°C to + 70°C)
Standards: • EN60079-0:2018
• EN60079-1:2014
• EN IEC 60079-7:2015+A1:2018,
• EN60079-31:2014
• IEC60079-0:2017 7th Ed
• EC60079-1:2014-06 7th Ed
• IEC60079-7:2017 5.1 Ed
• IEC60079-31:2013 2nd Ed.
Specic Conditions of Use
1. The Modular Audible Device enclosure incorporates a sinter and the volume is greater than 100 cm3; therefore, use
of the Modular Audible Device in carbon disulphide gas atmospheres is not permitted.
2. The Modular Audible Device has external non-metallic surfaces that may provide an electrostatic charging hazard.
See the manufacturer’s instructions for further information.
3. The Modular Audible Device has metallic components in the non-metallic walls of the enclosure, which can store
electrical charge and therefore may provide a potential electrostatic discharge. The metallic brass inserts have a
capacitance of 24 pF. See the manufacturer’s instructions for further information.
cULus Zone Certications
This equipment is for use in Class I, Zone 1 and Zone 21 hazardous (classied) locations. It has been investigated with
reference to risks to life and property and for conformity to the installation and use in provisions of Articles 505 and 506
of NFPA 70 (NEC).
These models use protections:
• Class I, Zone 1, AEx db IIC T4 Gb or AEx db eb IIC T4 Gb
• Zone 21, AEx tb IIIC T135°C Db IP66 (Tamb= -55°C to +70°C)
• Ex db IIC T4 Gb or Ex db eb IIC T4 Gb
• Ex tb IIIC T135°C Db IP66 (Tamb= -55°C to +70°C)
Unpacking the Device: After unpacking the device, examine it for damage and verify parts. If a part is missing or
damaged, do not attempt to install, and contact Federal Signal Customer Support.
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 an E-box spacer adjoining an existing E-box. Please refer to the accessories listed on
page 11 for available options. When creating certain xture combinations, it is necessary to replace 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.

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A note about combination xtures: If the product is Exdb marked only, it is for use in gas atmospheres. If the product is
Ex db e marked, it uses the increased-safety terminal enclosures and is only for gas atmospheres. If the product is Ex tb
marked, it is for installation in dust atmospheres.
Figure 1 Beacon and amplied speaker combination xture
Mounting the Amplied Speaker
ATTACH THE AMPLIFIED SPEAKER 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 two G-SPA models you are
installing.
Mounting the Surface-Mount Ex d Amplied Speaker
Mount the amplied speaker 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 2 Front view of Ex d amplied speaker
105.9 mm
(4.17 in)
Ø133.8 mm (5.27 in)
4X COUNTER-BORED
HOLES TO FIT M8
SOCKET-HEAD
CAP SCREWS
105.9 mm
(4.17 in)
Mounting the Ex de Surface-Mount Amplied Speaker
Mount the amplied speaker 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.

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Figure 3 Front view of Ex de surface mount
2X Ø8.5 mm
103.2 mm
(4.06 in)
122.6 mm
(4.83 in)
3X M20
GLAND
ENTRIES
4X COUNTER-BORED
HOLES TO FIT M8
SOCKET-HEAD
CAP SCREWS
105.9 mm
(4.17 in)
23.2 mm
(0.91 in)
Figure 4 Side view of Ex de surface mount
272.0 mm
(10.71 in)
190.6 mm
(7.50 in)
SEE ACCESSORIES FOR
REPLACEABLE E-BOX END CAPS
3X M20 GLAND ENTRIES
Wiring the Device
SAFETY MESSAGES FOR WIRING : When installing and operating ameproof 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 ameproof integrity of the enclosure, DO NOT damage the cover or threads while disassembling or
reassembling the unit.
• Painting and surface nishes, other than those applied by Federal Signal Corporation, are not permitted.

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• Cable termination should be in accordance with the specications that apply to the application. Federal Signal
recommends that all cables and cores 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 6 H with an option for the M25 entry on the end of the increased safety box models.
See Table 3 on page 11 for choosing the correct cable entry devices for Equipment in Potentially Explosive
Atmospheres.
• Because of space limitations, ensure that 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.
Preparing to Wire the Ex d Flameproof Models
SHOCK HAZARD: To avoid electrical shock, 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 amplied speakers are polarity sensitive and MAY BE DAMAGED by incorrect
electrical hookup. When connecting the DC amplied speaker to the voltage supply lines, POLARITY MUST BE
OBSERVED. 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 ameproof models G-SPA 24 Vdc, 120 Vac, 220-240 Vac.
The models come in either 25 VRMS or 2.8/0.8 VRMS (selectable) audio input versions.
Ex d units are supplied with a ten-position PCB mounted-screw terminal block. The maximum wire gauge is 4.0mm (12
AWG). The wire must be rated 85 °C or higher. Use only stranded cable to terminate the amplied speaker. 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 the specications that apply to the application. It is
recommended that all cables and cores be fully identied. Use the appropriate cable gland for the application. Gland
entry threads are M20-1.5 x 6 H.
Tools needed:
• 1.5 mm A/F hexagon key
• No. 1 Phillips®screwdriver
• Wire stripper
Figure 5 Ex d in/out PCB connections (2.8 V/0.8 VRMS)
AUD− AUD+ EARTH L2 L1
VOLTAGE
SELECTOR

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Figure 6 Ex d in/out PCB connections (25 VRMS)
EARTH
AC
DC 230
U
UA
VOLTAGE
SELECTOR
25 V AUDIO
PASSTHOUGH
25 V
AUDIO
JUMPER
RMS
RMS
Wiring the Ex d Models
To wire the Ex d ameproof amplied speaker:
1. Unscrew the M3 hex set screw on the side of the housing one full turn.
2. Remove the cover from the housing by turning the cover counterclockwise. Three 120-degree spaced reliefs are
provided for a 3/8" 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 driver/printed circuit board (PCB).
4. Slide out the PCB until the terminals clear the housing. Strip the wire insulation 6.5 mm (0.25"). Maximum screw
tightening torque is 0.5 N•m (4.5in-lb).
5. Follow the instructions below for your line voltage and continue to Step 6 on 5. Refer to Figures 5 or 6 for the
voltage selector switch.
120 Vac operation
a. Set the voltage selector switches to 120 and AC.
b. Connect the line (hot) power source wire to the terminal block position marked L1 on the PCB.
c. Connect the neutral (common) power source wire to the terminal block position marked L2 on the PCB.
d. Connect the ground wire to the terminal block position marked EARTH.
e. Connect the positive (+) audio source wire to the terminal block position marked AUD+.
f. Connect the negative (–) audio source to the terminal block position marked AUD-.
220-240 Vac operation
a. Set the voltage selector switches to 230 and AC.
b. Connect the line (hot) power source wire to the terminal block position marked L1 on the PCB.
c. Connect the neutral (common) power source wire to the terminal block position marked L2 on the PCB.
d. Connect the ground wire to the terminal block position marked EARTH.
e. Connect the positive (+) audio source wire to the terminal block position marked AUD+.
f. Connect the negative (–) audio source to the terminal block position marked AUD-.
24 Vdc operation
a. Set the voltage selector switches to 230 and DC.
b. Connect the positive (+) power-source wire to the terminal block position marked L1 on the PCB
c. Connect the negative (–) power-source wire to the terminal block position marked L2 on the PCB.
d. Connect the ground wire to the terminal block position marked EARTH.
e. Connect the positive (+) audio source wire to the terminal block position marked AUD+.

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f. Connect the negative (–) audio source to the terminal block position marked AUD-.
Adjusting the Sound Pressure and Audio Input (Ex d)
Sound Pressure: See Figure 7. The 3/4-turn VR1 potentiometer on the PCB is factory set to the maximum sound pressure
level (MAX). To reduce the level, turn VR1 counterclockwise to the desired setting.
Figure 7 Location of VR1 potentiometer (sound pressure)
VR1 POTENTIOMETER:
FULL CLOCKWISE =
MAX. VOLUME
Audio Input: Two audio input levels are available to match the audio level provided by the peripheral system. To change
the level from 2.8VRMS, move jumper JP3 to 0.8VRMS. See Figure 8.
NOTE: This step is not necessary for the 25VRMS versions; the jumper is factory s,et.
Figure 8 Location of jumper JP3 (audio input)
JP3 JUMPER FOR
AUDIO INPUT LEVEL
6. Insert the PCB into the enclosure and fully tighten the PCB captive screw.
7. Place the cover on the housing and tighten it by turning it clockwise.
8. 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.
9. Ensure that the unused wire entry is sealed with the provided brass M20-1.5 x 6 g stopping plug (equipment-
certied).
Preparing to Wire the Ex de Increased Safety Models
SHOCK HAZARD: To avoid electrical shock, 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 amplied speakers are polarity sensitive and MAY BE DAMAGED by incorrect
electrical hookup. When connecting the DC amplied speaker to the voltage supply lines, POLARITY MUST BE
OBSERVED. Damage will result if the voltage rating of the particular model is exceeded by more than 10 percent.

8Federal Signal signaling.fedsig.com
This section has wiring instructions for the three increased safety models: G-SPA 120 Vac, G-SPA 220-240 Vac, and
G-SPA 24 Vdc.
Ex de units are supplied with a six-pole, spring-tension clamp-style terminal block. The maximum wire gauge is 4.0 mm
(12 AWG). The wire must be rated 85 °C or higher. Use only stranded cable to terminate the amplied speaker. 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 the specications that apply to the application. It is recommended that
all cables and cores be fully identied. Use the appropriate cable gland for the application. Gland entry threads are M20-
1.5 6 H.
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-SPA terminal block is supplied with two conductors per pole. The terminal block allows for easy supply-in and
loop-out wiring to connect amplied speakers in series.
Tools needed:
• 3.0 mm A/F hexagon key
• No. 1 Phillips®screwdriver
• Wire stripper
To wire the Ex de models:
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 into either side of any terminal
must be joined in a suitable manner, e.g., two conductors into a single insulated crimped bootlace ferrule.
3. To connect wires, press the button on the terminal block with a Phillips screwdriver and insert the wire into the
round opening. Release the button to make the connection.
4. Follow the instructions starting below for your line voltage and continue to Step 5. Refer to Figures 5 and 6 on
page 14 for the voltage selector switches.
Figure 9 Connections for DC or AC Ex de amplied speaker
Aud+L1/+ L2/- L3/Alt+ Aud-
Aud+L1/+ L2/- L3/Alt+ Aud-
A A
220-240 Vac operation
a. Connect the line (hot) power source wire to the position marked L1/+ on the terminal block.
b. Connect the neutral (common) power source wire to the position marked L2/- on the terminal block.
c. Connect the ground wire to the position marked on the terminal block.
d. Connect the positive (+) audio source wire to the position marked Aud + on the terminal block.
e. Connect the negative (-) audio source wire to the position marked Aud - on the terminal block.

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120 Vac operation
a. Connect the line (hot) power source wire to the position marked L1/+ on the terminal block.
b. Connect the neutral (common) power source wire to the position marked L2/- on the terminal block.
c. Connect the ground wire to the position marked on the terminal block.
d. Connect the positive (+) audio source wire to the position marked Aud + on the terminal block.
e. Connect the negative (-) audio source wire to the position marked Aud - on the terminal block.
24 Vdc Operation
a. Connect the positive (+) power source wire to the position marked L1/+ on the terminal block.
b. Connect the negative (-) power source wire to the position marked L2/- on the terminal block.
c. Connect the ground wire to the position marked on the terminal block.
d. Connect the positive (+) audio source wire to the position marked Aud + on the terminal block.
e. Connect the negative (-) audio source wire to the position marked Aud - on the terminal block.
5. Secure the cover on the terminal box with the four M4 screws. Ensure that the gasket is properly seated to
maintain IP rating. Do not overtighten the screws.
Adjusting the Sound Pressure and Audio Input (Ex de)
To set levels for the Ex de models:
1. Unscrew the M3 hex set screw on the side of the housing one full turn.
2. Remove the cover from the housing by turning the cover counterclockwise. Three 120-degree spaced reliefs are
provided for a 3/8" 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 driver/printed circuit board (PCB).
4. Slide out the PCB.
Sound Pressure: See Figure 7 on page 7. The 3/4-turn VR1 potentiometer on the PCB is factory set to the
maximum sound pressure level (MAX). To reduce the level, turn VR1 counterclockwise to the desired setting.
Audio Input: See Figure 8 on page 7. Two audio input levels are available to match the audio level provided by
the peripheral system. To change the level from the factory set 2.8 VRMS, move jumper JP3 to 0.8 VRMS.
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.
Maintaining the Amplied Speaker
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.
• Repair of amepaths is not recommended.
• If you acquired a signicant quantity of units, it is recommended that spares also be made available.
• 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.
• Any maintenance to the amplied speaker system must be performed by a trained electrician who is thoroughly
familiar with all applicable national and local codes in the country of use.
• Any maintenance to the amplied speaker system must be done with power turned off.

10 Federal Signal signaling.fedsig.com
• Check the amplied speaker periodically to ensure that the effectiveness of the device has not been reduced
because it has been clogged with a foreign substance or because objects have been placed in front of it.
• 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.
• 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 amplied speaker 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.
EXPLOSION HAZARD: To prevent ignition of hazardous atmosphere, disconnect the amplied speaker from the supply
circuit before opening it. Do not open the amplied speaker 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 amplied speaker, 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 amplied speaker is recommended.
Cleaning the Enclosure
The enclosure should be cleaned periodically with a damp cloth to maintain maximum sound output. Periodic checks
should be made to ensure the effectiveness of this device has not been reduced because the amplied speaker has
become clogged with a foreign substance or because objects have been placed in front of the amplied speaker.
Lubricating the Threaded Joints
A silicone-based, non-hardening, chemically compatible grease can be applied if required.
Maintenance and Service
Technical Assistance: Contact our Technical Support Team at [phone] or [email protected].
Repair Service: A return authorization is required. Contact your Authorized Distributor or Federal Signal Customer
Support. Defective products under warranty will be repaired or replaced at Federal Signal’s discretion.
Product Returns: Returns require authorization from Federal Signal. Contact your Authorized Distributor for more
information on our return policy or to request a return.

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Replacement Parts
Contact the factory for spare parts availability and part numbers. Typical spare parts are listed below. Due to
certication, certain component parts are not available for eld replacement. Units with this type of damage must be
either replaced entirely or returned to Federal Signal for service.
Table 1 Replacement Part
Description Part Number
Multi-Voltage G-GPA Speaker Kit (Includes PCBAs,Bracket, Driver, & Mounting Screws) K859501403
Table 2 Accessories
Description Part Number
Indicator Ring/Legend Kit, Black G-KIT-RP-BK
Indicator Ring/Legend Kit, Blue G-KIT-RP-B
Indicator Ring/Legend Kit, Green G-KIT-RP-G
Indicator Ring/Legend Kit, Magenta G-KIT-RP-M
Indicator Ring/Legend Kit, Red G-KIT-RP-R
Indicator Ring/Legend Kit, Yellow G-KIT-RP-Y
E-Box Endcap with M20 Opening K859500805-
02
E-Box Endcap with M25 Opening K859500805-
01
E-Box Cover Assembly (Includes two terminal blocks, mounting plate, retention hardware) K859501414
In-Line E-Box Coupler Kit G-KIT-EC180
90-Degree E-Box Coupler Kit G-KIT-EC90
Extension Box Spacer Kit G-KIT-EXTB
Single Trunnion Kit G-KIT-ST
Dual Trunnion Kit G-KIT-DT
Adapter, M20 Male to 1/2" Female NPT K231246A
Adapter, M20 Male to 3/4" Female NPT K231247
15 W Audible Acoustic Insert G-KIT-
15WINSERT
Table 3 Choosing cable-entry devices for Equipment in Potentially Explosive Atmospheres
Models Ex Atmospheres Cable Entry Devices (cable glands, stopping plugs, etc.)
G-SPA-XXX-D
(Ex db surface mount)
Gas Cable entry devices shall be equipment certied as ameproof. To maintain
the ingress protection of the ameproof amplied loudspeaker enclosure, we
recommend the cable entry device be IP66 certied.
G-SPA-XXX-E
(Ex db e surface mount)
Gas For the ameproof amplied loudspeaker enclosure, cable entry devices shall
be equipment certied as ameproof. To maintain the ingress protection of
the ameproof amplied loudspeaker enclosure, we recommend the cable
entry device be IP66 certied. For the increased safety terminal enclosures
(terminal boxes), cable entry devices shall be equipment certied as increased
safety and shall maintain an IP rating of IP54.
G-SPA-XXX-D
(Ex db surface mount)
G-SPA-XXX-E
(Ex db e surface mount)
Dust Cable entry devices for the terminal enclosures shall be equipment certied
as dust protected. To maintain the ingress protection of the amplied
loudspeaker and terminal enclosures, the cable entry devices shall be IP6X
certied.

2645 Federal Signal Drive, University Park, Illinois 60484
Additional translations available at signaling.fedsig.com
Traducciones adicionales disponibles en signaling.fedsig.com
Customer Support 1-800-344-4634+1-708-534-4756, [email protected]
Technical Support 1-800-755-7621+1-708-587-3587, signalsuppor[email protected]
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