Fire Alarm Systems | Bosch Voice Evacuation Systems
Bosch Voice Evacuation Systems
www.boschsecurity.com
u Digitally‑recorded automatic evacuation message
(up to 4 minutes of message capacity)
u Alarm and alert signals
u Live microphone override of message and tone
The Bosch Voice Evacuation systems and expansion
panels provide a variety of options that can be easily
added to an existing fire alarm control panel system
for area of assembly applications and for high‑rise
voice evacuation not requiring firemens' phones.
Choose up to 2000 W of audio amplifier power to
meet your speaker power requirements. You can
supervise multiple zones through your choice of zone
splitters.
System overview
BOSCH Voice Evacuation Systems
All Bosch voice evacuation systems include all the
necessary features to provide an effective voice
evacuation system:
• Audio amplifier
• Digital message repeater (DMR)
• 120 VAC power transformer and battery charger
• Tone generator
• Paging microphone
• Surface‑mount or semi‑flush‑mount enclosure with a
hinged, key‑locked door in charcoal‑gray (standard)
or red (optional)
The EVAX25, EVAX50, and EVAX100 respectively
provide 25 W, 50 W, and 100 W of audio amplifier
power in a standard‑size enclosure. The EVAX150 has
u Compatible with 12 V or 24 V, analog‑addressable or
microprocessor‑based fire alarm control panels
(FACPs)
u Clean dead‑front construction
one 50 W audio amplifier and one 100 W audio
amplifier in a double‑size enclosure. The EVAX200 has
two 100 W amplifiers in a double‑size enclosure.
Customize these systems to satisfy most application
requirements by adding expander panels, expander
modules, or zone splitters. Expanders can be grouped
together in any combination to provide up to 2000 W
of audio power.
Optional Expander Panels
The Bosch system expander panels provide an easy
and cost-effective way to increase the output power of
a Bosch voice evacuation system. They can also
provide a manually‑activated emergency paging panel
for buildings. Features of the EVAX25E, EVAX50E, and
EVAX100E:
• Audio amplifier
• 120 VAC power transformer and battery charger
• Tone generator
• Paging microphone
• Standard‑size enclosure with a hinged, key‑locked
door
The EVAX150E and EVAX200E expander panels provide
the same features with additional power in a
double‑size enclosure housing two amplifier modules.
2 | Bosch Voice Evacuation Systems
Use the EVAX25EM, EVAX50EM, or EVAX100EM
expander panel when a 25 W, 50 W, or 100 W audio
expander is needed with its own enclosure. Use the
EVAX150EM and EVAX200EM for expansion when
greater power is required in the larger enclosure
configuration. The EM models have all the features of
the E models except they are without a paging
microphone.
Optional Expander Modules
The expander modules (EVX- models) can increase the
capacity of any Bosch voice evacuation system or
expander panel. They do not have paging microphones
and are intended for installation in UL Listed
enclosures (not supplied). Features of these modules:
• Audio amplifier
• Power regulator and battery charger
• Tone generator
Optional Zone Splitters
The EVX‑4Z and EVX‑2ZA zone splitters allow the
supervised output of any Bosch audio amplifier to
supervise multiple zones. Features of these zone
splitters:
• Manual selection of any or all voice evacuation zones
for emergency paging
• Automatic selection of voice evacuation zones by
connecting normally‑open contacts from the FACP or
other auxiliary control system
• Annunciation of either active or faulted zone status by
individual LEDs
• Compatibility with jumper‑selectable 25 V and 70 V
amplifier outputs
The EVX‑4Z has four Class B zones. The EVX‑2ZA has
two Class A zones.
Functions
Digital Message Repeater
Each of the Bosch voice evacuation systems (EVAX25,
EVAX50, EVAX100, EVAX150, and EVAX200) includes a
digital message repeater (DMR). The systems come
with the following standard 15‑second message
programmed:
"Attention, please. There has been a report of an
emergency. Proceed calmly to the nearest exit and
leave the building immediately. Do not use the
elevators; use stairwells where necessary. All
handicapped occupants shall use the building
evacuation plan."
The voice evacuation message is broadcast until the
FACP resets or until emergency personnel interrupt
the broadcast with a manual page. When the FACP
resets, the voice evacuation system automatically
returns to normal operating condition.
The closure of a contact from either the FACP or from
any normally‑open contact device can cause the
broadcast of a chime tone followed by the message
"All clear."
Optional primary and secondary messages are
available. For further information, refer to the Bosch
Voice Evacuation System's Optional Messages Technical
Service Note (P/N: F01U500869).
Remote Paging Microphones
Remote paging microphones (up to five per EVX‑SC
supervisory card) are supported through a supervised
circuit. Remote microphones may be mounted up to
5000 ft (1.5 km) away from the EVAX voice evacuation
panel. An ideal use for a remote microphone is when
the FACP and voice evacuation system panels are in an
electrical room and you need a microphone in the
lobby.
System Settings
Control system operation by DIP switch settings:
• Configure three DIP switches to determine alert tones
of Temporal Slow Whoop (default), Hi Lo, Horn, Bell,
or 1 kHz.
• Turn the Diagnostic Mode on or off (default).
• Set the AC Power Failure Report for no delay
(default) or for a six‑hour delay.
• Indicate if batteries are connected to the system. The
default setting is batteries are connected.
• Indicate if a microphone is connected to the system.
The default setting is a microphone is connected.
• Set the initial delay before a message starts for no
delay, 4‑second delay, 8‑second delay (default),
12‑second delay, 16‑second delay, 20‑second delay,
24‑second delay, or 28‑second delay. The chosen
tone sounds during the delay.
• Set the delay between repeats of the message for a
4‑second delay, 8‑-second delay, 12‑second delay
(default), or 16‑second delay.
• Indicate if the message plays or not. Message on is
the default.
• Set the number of times the message plays to one
play, two plays, three plays (default), or continuous
play.
Certifications and approvals
Region Certification
USA UL UOXX: Control Unit Accessories, System
CSFM 6911-1446:0100
CSFM 6912-1446:0101
(UL864), UOXX2: Control Unit Accessories, System - Component (UL864)
Installation/configuration notes
Compatible Products
The following products are compatible with the Bosch
Voice Evacuation Systems:
Category Product
Expansion
Modules
EVX‑25E 25 W Amplifier without DMR, with
EVX‑25 25 W Amplifier with DMR and microphone
microphone
3 | Bosch Voice Evacuation Systems
EVX‑25EM 25 W Amplifier without DMR and
EVX‑50 50 W Amplifier with DMR and microphone
EVX‑50E 50 W Amplifier without DMR, with
EVX‑50EM 50 W Amplifier without DMR and
EVX‑100 100 W Amplifier with DMR and microphone
EVX‑100E 100 W Amplifier without DMR, with
EVX‑100EM 100 W Amplifier without DMR and
Remote
Microphones
EVX‑RMR Red Remote Microphone Panel
Zone
Splitters
EVX‑4Z Class B Zone Splitter
microphone
microphone
microphone
microphone
microphone
EVX‑RM Charcoal‑gray Remote Microphone Panel
EVX‑2ZA Class A Zone Splitter
Speaker Placement
Choose speakers that deliver a minimum ambient
sound of 15 dB above the normal ambient noise level.
In high‑ambient noise areas, speakers should be
tapped at 15 dB to 21 dB above the ambient noise
level and placed closer to one another to ensure that
voice messages are intelligible.
The best way to determine speaker placement needs
is to conduct a site survey with a decibel meter to
measure ambient noise levels; however, some general
rules for speaker placement are:
• Locate speakers at all pull stations and in main
corridors similar to the layout of conventional fire
horns.
• Ensure that all occupied locations are within 50 ft
(15 m) of a speaker. Place additional speakers in
rooms such as cafeterias and computer rooms. Be
sure there are speakers in isolated areas where
service personnel might be working.
• For ceiling‑mount speakers, use 2 W of speaker
power for every 2000 ft2 (186 m2) of area covered in
open areas and 2 W for every 1500 ft2 (139 m2) in
divided areas. For wall‑mount speakers, use 1 W of
speaker power for every 2000 ft2 (186 m2) of area
covered in open areas and 1 W for every 1500 ft
(139 m2) in divided areas.
2
Speaker Power Requirements
System power (total wattage) must be sufficient to
supply the power required by all of the speakers on
the system. Speaker transformers can often be tapped
for different wattages (usually, ¼ W, ½ W, 1 W, etc.).
A system rated at 25 W of audio power can power a
speaker load of 25 W. This can be made up of 25
speakers each tapped at 1 W, 50 speakers each
tapped at ½ W, or any mathematical combination that
is less than or equal to 25 W.
Speaker Wiring Requirements
The 25 V speaker circuits of most voice evacuation
systems are classified as power‑limited wiring and can
be run with other fire alarm wiring without ill effects.
No special cabling is required. Standard power‑limited
fire alarm cable (FPL) is sufficient for most
applications; however, certain addressable systems
can generate extraneous noise from their addressable
loop. Because these addressable systems cannot use
shielded cable, shielding of the evacuation speaker
circuit helps to eliminate noise picked up and heard in
the speakers. When using 70 V circuits, separate them
as described in the National Electrical Code.
Generally, 18 AWG (1.0 mm) wire is adequate for
speakers. Heavier wire is needed if loads are high or
the runs are long. The following table indicates typical
wire lengths for specific wire sizes and speaker loads.
It assumes that there is an even distribution of
speaker load and that a 20% drop at the last device is
allowable.
25 VRMS Output:
Power 18 AWG
(1.0 mm)
10 W 1900 ft
(579 m)
15 W 1280 ft
(390 m)
25 W 760 ft
(232 m)
70 VRMS Output:
Power 18 AWG
(1.0 mm)
10 W 15200 ft
(4633 m)
15 W 10130 ft
(3088 m)
25 W 6080 ft
(1853 m)
16 AWG
(1.3 mm)
3050 ft
(930 m)
2030 ft
(619 m)
1220 ft
(372 m)
16 AWG
(1.3 mm)
24200 ft
(7376 m)
16130 ft
(4916 m)
9680 ft
(2950 m)
14 AWG
(1.6 mm)
4850 ft
(1478 m)
3230 ft
(985 m)
1930 ft
(588 m)
14 AWG
(1.6 mm)
38360 ft
(11692 m)
25570 ft
(7794 m)
15340 ft
(4676 m)
12 AWG
(2.0 mm)
7700 ft
(2347 m)
5140 ft
(1567 m)
3080 ft
(939 m)
12 AWG
(2.0 mm)
61100 ft
(18623 m)
40730 ft
(12415 m)
24440 ft
(7449 m)
System Power Requirements
All Bosch voice evacuation systems require 120 VAC
connected to the system's power transformer.
Standby power is supplied, in case of AC power
failure, by standby batteries (not supplied). The
EVAX25, EVAX50, and EVAX100 require two 12 VDC,
7 Ah standby batteries. The EVAX150 and EVAX200
require four 12 VDC, 7 Ah standby batteries.
Technical specifications
Environmental Considerations
Relative Humidity: Up to 95%, non condensing
Temperature (Operating): +32°F to +120°F (0°C to +49°C)
4 | Bosch Voice Evacuation Systems
Mechanical Properties
Color: Standard: charcoal gray
Optional: red
Dimensions (H x W x D): Standard: 18 in. x 14.5 in. x 4 in.
(45.7 cm x 36.8 cm x 10.2 cm)
Double-size: 27 in. x 14.5 in. x 4 in.
(68.6 cm x 36.8 cm x 10.2 cm)
Material: 16 gauge (1.5 mm) steel
Outputs
Tone and Voice
(at 25/70 VRMS):
25 W system: 25 W
50 W system: 50 W
100 W system: 100 W
150 W system: 150 W
200 W system: 200 W
Power Requirements (Battery)
Current (Alarm): 25 W system: 1 A
50 W system: 1 A
100 W system: 2.5 A
150 W system: 1 A
200 W system: 5 A
Current (Standby): 25 W system: 0.18 A
50 W system: 0.13 A
100 W system: 0.18 A
150 W system: 0.31 A
200 W system: 0.36 A
Power (Battery): 24 VDC
Power Requirements (Primary)
Current (Input): 25 W system: 0.8 A
50 W system: 0.6 A
100 W system: 2 A
150 W system: 2.6 A
200 W system: 4 A
Voltage (Nominal Input): 120 VAC
Bosch Voice Systems Information
Bosch Voice Evacuation Systems with DMR and microphone)
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Model
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EVAX25* 1 1 EVAX50* 1 1 EVAX100* 1 1
EVAX25*/4Z 1 1 1 EVAX50*/4Z 1 1 1 EVAX100*/4Z 1 1
EVAX25*/8Z 1 2 1 EVAX50*/8Z 1 2 1 EVAX100*/8Z 1 2 1
EVAX25*/2ZA 1 1 1 EVAX50*/12Z 1 3 1 EVAX100*/12Z 1 3 1
EVAX25*/4ZA 1 2 1 EVAX50*/16Z 1 4 1 EVAX100*/16Z 1 4 1
EVAX50*/2ZA 1 1 1 EVAX100*/2ZA 1 1 1
EVAX50*/4ZA 1 2 1 EVAX100*/4ZA 1 2 1
EVAX50*/8ZA 1 4 1 EVAX100*/8ZA 1 4 1
Consists of Consists of
Model
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EVAX150* 1 1 EVAX200* 1 1
EVAX150*/8Z 1 2 1 EVAX200*/8Z 1 2 1
EVAX150*/12Z 1 3 1 EVAX200*/12Z 1 3 1
EVAX150*/16Z 1 4 1 EVAX200*/16Z 1 4 1
AEV X150*/8ZA 1 4 1 EVAX200*/8ZA 1 4 1
* The asterisk (*) is not part of the number; it is a placeholder for indicating the color option. For a charcoal gray
enclosure, drop the asterisk (*). For a red enclosure, replace the asterisk (*) with an R.
| Bosch Voice Evacuation Systems
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EVAX Expansion Panels - EM models (without DMR, without microphone)
Consists of Consists of Consists of
Model
EV
AX25EM
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EVAX25EM* 1 1 EVAX50EM* 1 1 EVAX100EM* 1 1
EVAX25EM*/4Z 1 1 1 EVAX50EM*/4Z 1 1 1 EVAX100EM*/4Z 1 1 1
EVAX25EM*/8Z 1 2 1 EVAX50EM*/8Z 1 2 1 EVAX100EM*/8Z 1 2 1
EVAX25EM*/2ZA 1 1 1 EVAX50EM*/12Z 1 3 1 EVAX100EM*/12Z 1 3 1
EVAX25EM*/4ZA 1 2 1 EVAX50EM*/16Z 1 4 1 EVAX100EM*/16Z 1 4 1
EVAX50EM*/2ZA 1 1 1 EVAX100EM*/2ZA 1 1 1
EVAX50EM*/4ZA 1 2 1 EVAX100EM*/4ZA 1 2 1
EVAX50EM*/8ZA 1 4 1 EVAX100EM*/8ZA 1 4 1
Consists of Consists of
Model
EV
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EVAX150EM* 1 1 EVAX200EM* 1 1
EVAX150EM*/8Z 1 2 1 EVAX200EM*/8Z 1 2 1
EVAX150EM*/12Z 1 3 1 EVAX200EM*/12Z 1 3 1
EVAX150EM*/16Z 1 4 1 EVAX200EM*/16Z 1 4 1
EVAX150EM*/8ZA 1 4 1 EVAX200EM*/8ZA 1 4 1
* The asterisk (*) is not part of the number; it is a placeholder for indicating the color option. For a charcoal gray
enclosure, drop the asterisk (*). For a red enclosure, replace the asterisk (*) with an R.
| Bosch Voice Evacuation Systems
6
EVAX Expansion Panels - E models (without DMR, with microphone)
Consists of Consists of Consists of
Model
EVAX25E
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EV
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EVAX25E*1 1EVAX50E* 11EVAX100M*1 1
Consists of Consists of
Model
EV
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EVAX150E*1 1EVAX200E* 11
* The asterisk (*) is not part of the number; it is a placeholder for indicating the color option. For a charcoal gray
enclosure, drop the asterisk (*). For a red enclosure, replace the asterisk (*) with an R.
| Bosch Voice Evacuation Systems
7
8 | Bosch Voice Evacuation Systems
Notice
Information from the Configuration Order Form is
required when ordering Bosch voice evacuation
systems through Bosch Customer Service.
Download the form from the Documents drop
down menu on the Bosch Voice Evacuation
Systems product page on the Bosch website (click
here). When submitting an order by email, fax, or
electronically, please fill in the form and submit it
with your order. When ordering over the phone,
please be prepared to provide the information to
your Customer Service Representative.
Ordering information
EVAX25R 25 W Amplifier with DMR and Microphone
(red cabinet)
25 W amplifier with a digital message repeater and a
microphone in a standard (45.7 cm x 36.2 cm x
10.2 cm [18 in. x 14.25 in. x 4 in.]) red cabinet.
Order number EVAX24R
EVAX25R/4Z 25 W, Four‑zone Amplifier with DMR and
Microphone (red cabinet)
25 W amplifier with one EVX‑4Z Zone Splitter, a digital
message repeater, and a microphone in a standard
(45.7 cm x 36.2 cm x 10.2 cm [18 in. x 14.25 in. x
4 in.]) red cabinet
Order number EVAX25R/4Z
Accessories
EVX-BB-2 Large Back Box
Large charcoal-gray back box measures (HxWxD) 27 in.
x 14.25 in. x 4 in. (68.6 cm x 36.2 cm x 10.2 cm) and
comes without a door
Order number EVX-BB-2
EVX-BB-2R Large Back Box
Large red back box measures (HxWxD) 27 in. x
14.25 in. x 4 in. (68.6 cm x 36.2 cm x 10.2 cm) and
comes without a door
Order number EVX-BB-2R
EVX-CAB-1 Standard Cabinet
Charcoal-gray standard cabinet measures (HxWxD)
18 in. x 14.25 in. x 4 in. (45.7 cm x 36.2 cm x 10.2 cm)
and comes with a door
Order number EVX-CAB-1
EVX-CAB-1R Standard Cabinet
Red standard cabinet measures (HxWxD) 18 in. x
14.25 in. x 4 in. (45.7 cm x 36.2 cm x 10.2 cm) and
comes with a door
Order number EVX-CAB-1R
EVX-CAB-2 Large Cabinet
Large charcoal-gray cabinet measures (HxWxD) 27 in.
x 14.25 in. x 4 in. (68.6 cm x 36.2 cm x 10.2 cm) and
comes with a door
Order number EVX-CAB-2
EVAX25R/8Z 25 W, Eight‑zone Amplifier with DMR and
Microphone (red cabinet)
25 W amplifier with two EVX‑4Z Zone Splitters, a
digital message repeater, and a microphone in a
standard (45.7 cm x 36.2 cm x 10.2 cm [18 in. x
14.25 in. x 4 in.]) red cabinet
Order number EVAX25R/8Z
EVAX50R 50 W Amplifier with DMR and Microphone
(red cabinet)
50 W amplifier with a digital message repeater and a
microphone in a standard (45.7 cm x 36.2 cm x
10.2 cm [18 in. x 14.25 in. x 4 in.]) red cabinet
Order number EVAX50R
EVAX50R/4Z 50 W, Four‑zone Amplifier with DMR and
Microphone (red cabinet)
50 W amplifier with one EVX‑4Z Zone Splitter, a digital
message repeater, and a microphone in a standard
(45.7 cm x 36.2 cm x 10.2 cm [18 in. x 14.25 in. x
4 in.]) red cabinet
Order number EVAX50R/4Z
EVAX50R/8Z 50 W, Eight‑zone Amplifier with DMR and
Microphone (red cabinet)
50 W amplifier with two EVX‑4Z Zone Splitters, a
digital message repeater, and a microphone in a
standard (45.7 cm x 36.2 cm x 10.2 cm [18 in. x
14.25 in. x 4 in.]) red cabinet
Order number EVAX50R/8Z
EVX-CAB-2R Large Cabinet
Large red cabinet measures (HxWxD) 27 in. x 14.25 in.
x 4 in. (68.6 cm x 36.2 cm x 10.2 cm) and comes with
a door
Order number EVX-CAB-2R
EVX-DFP-1 Standard Dead Front Panel
Charcoal gray panel fits a standard cabinet or back
box with door and comes with a lock and key
Order number EVX-DFP-1
EVX-DFP-2 Large Dead Front Panel
Charcoal gray panel fits a large cabinet or back box
with door and comes with a lock and key
Order number EVX-DFP-2
EVX-DR-2 Large Door
Charcoal-gray door fits a large cabinet or back box
Order number EVX-DR-2
EVX-DR-2R Large Door
Red door fits a large cabinet or back box
Order number EVX-DR-2R
EVX-RM Remote Microphone
Remote microphone in a charcoal-gray cabinet
Order number EVX-RM
EVX-SC Microphone Supervisory Card
Supervises up to five remote microphones
Order number EVX-SC
9 | Bosch Voice Evacuation Systems
Represented by:
Americas: Europe, Middle East, Africa: Asia-Pacific: China: America Latina:
Bosch Security Systems, Inc.
130 Perinton Parkway
Fairport, New York, 14450, USA
Phone: +1 800 289 0096
Fax: +1 585 223 9180
security.sales@us.bosch.com
www.boschsecurity.us
Bosch Security Systems B.V.
P.O. Box 80002
5617 BA Eindhoven, The Netherlands
Phone: + 31 40 2577 284
Fax: +31 40 2577 330
emea.securitysystems@bosch.com
www.boschsecurity.com
Robert Bosch (SEA) Pte Ltd, Security
Systems
11 Bishan Street 21
Singapore 573943
Phone: +65 6571 2808
Fax: +65 6571 2699
apr.securitysystems@bosch.com
www.boschsecurity.asia
Bosch (Shanghai) Security Systems Ltd.
203 Building, No. 333 Fuquan Road
North IBP
Changning District, Shanghai
200335 China
Phone +86 21 22181111
Fax: +86 21 22182398
www.boschsecurity.com.cn
Robert Bosch Ltda Security Systems Division
Via Anhanguera, Km 98
CEP 13065-900
Campinas, Sao Paulo, Brazil
Phone: +55 19 2103 2860
Fax: +55 19 2103 2862
latam.boschsecurity@bosch.com
www.boschsecurity.com
© Bosch Security Systems 2015 | Data subject to change without notice
2724609419 | en, V4, 01. Apr 2015
D126 Standby Battery (12 V, 7 Ah)
A rechargeable sealed lead‑acid power supply used as
a secondary power supply or in auxiliary or ancillary
functions.
Order number D126
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