Fire Alarm Systems | Bosch Voice Evacuation Systems
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 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.
Bosch Voice Evacuation Systems
▶
Digitally‑recorded automatic evacuation message (up
to 4 minutes of message capacity)
▶
Alarm and alert signals
▶
Live microphone override of message and tone
▶
Compatible with 12 V or 24 V, analog‑addressable or
microprocessor‑based fire alarm control panels
(FACPs)
▶
Clean dead‑front construction
▶
Easy installation and operation
▶
24‑hour backup with 7 Ah batteries installed (batteries
not supplied)
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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
(UL864), UOXX2: Control Unit
Accessories, System - Component
(UL864)
CSFM 6911-1615: 101, 6911-1615: 102,
6911-1615: 103, and 6911-1615: 104
Installation/Configuration Notes
Compatible Products
The following products are compatible with the Bosch Voice
Evacuation Systems:
Bosch Voice Evacuation Systems | 3
Category Product
Expansion
Modules
EVX‑25 25 W Amplifier with DMR and microphone
EVX‑25E 25 W Amplifier without DMR, with microphone
EVX‑25EM 25 W Amplifier without DMR and microphone
EVX‑50 50 W Amplifier with DMR and microphone
EVX‑50E 50 W Amplifier without DMR, with microphone
EVX‑50EM 50 W Amplifier without DMR and microphone
EVX‑100 100 W Amplifier with DMR and microphone
EVX‑100E 100 W Amplifier without DMR, with microphone
EVX‑100EM 100 W Amplifier without DMR and microphone
Remote
Microphones
EVX‑RM Charcoal‑gray Remote Microphone Panel
EVX‑RMR Red Remote Microphone Panel
Zone
Splitters
EVX‑2ZA Class A Zone Splitter
EVX‑4Z Class B 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 ft2 (139 m2) in
divided areas.
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)
16 AWG
(1.3 mm)
14 AWG
(1.6 mm)
12 AWG
(2.0 mm)
10 W 1900 ft
(579 m)
3050 ft
(930 m)
4850 ft
(1478 m)
7700 ft
(2347 m)
15 W 1280 ft
(390 m)
2030 ft
(619 m)
3230 ft
(985 m)
5140 ft
(1567 m)
25 W 760 ft
(232 m)
1220 ft
(372 m)
1930 ft
(588 m)
3080 ft
(939 m)
70 VRMS Output:
Power 18 AWG
(1.0 mm)
16 AWG
(1.3 mm)
14 AWG
(1.6 mm)
12 AWG
(2.0 mm)
10 W 15200 ft
(4633 m)
24200 ft
(7376 m)
38360 ft
(11692 m)
61100 ft
(18623 m)
15 W 10130 ft
(3088 m)
16130 ft
(4916 m)
25570 ft
(7794 m)
40730 ft
(12415 m)
25 W 6080 ft
(1853 m)
9680 ft
(2950 m)
15340 ft
(4676 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)
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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 Evacuation Systems | 5
Bosch Voice Systems Information
Bosch Voice Evacuation Systems with DMR and microphone)
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EVAX25*/2ZA 111EVAX50*/12Z 13 1EVAX100*/12Z 13 1
EVAX25*/4ZA 121EVAX50*/16Z141EVAX100*/16Z1 41
EVAX50*/2ZA 111EVAX100*/2ZA 111
EVAX50*/4ZA 121EVAX100*/4ZA 121
EVAX50*/6ZA 131Evax100*/6ZA 131
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EVAX150*/16Z1 41EVAX200*/16Z1 41
EVAX150*/4ZA 121EVAX200*/4ZA 121
EVAX150*/6ZA 131EVAX200*/6ZA 131
EVAX150*/8ZA 141EVAX200*/8ZA 141
* 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.
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6 | Bosch Voice Evacuation Systems
EVAX Expansion Panels - EM models (without DMR, without microphone)
Consists of Consists of Consists of
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EVAX25EM*/2ZA 111EVAX50EM*/12Z 13 1EVAX100EM*/12Z 13 1
EVAX25EM*/4ZA 121EVAX50EM*/16Z141EVAX100EM*/16Z141
EVAX50EM*/2ZA 111EVAX100EM*/2ZA 111
EVAX50EM*/4ZA 121EVAX100EM*/4ZA 121
EVAX50EM*/6ZA 131Evax100EM*/6ZA 131
EVAX50EM*/8ZA 141EVAX100EM*/8ZA 141
Consists of Consists of
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EVAX150EM*/4ZA 121EVAX200EM*/4ZA 121
EVAX150*/6ZA 131EVAX200EM*/6ZA 131
EVAX150*/8ZA 141EVAX200EM*/8ZA 141
* 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
EVAX Expansion Panels - E models (without DMR, with microphone)
Consists of Consists of Consists of
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* 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.
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.
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
EVAX25R/4Z
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
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
EVAX50R
Ordering Information
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
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
EVAX50R/8Z
Accessories
D126 Standby Battery (12 V, 7 Ah)
Sealed lead‑acid standby and auxiliary rechargeable power supply.
D126
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
DFP-2
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
EVX-BB-2
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8 | Bosch Voice Evacuation Systems
Ordering Information
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
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
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
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
EVX-CAB-2
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
EVX-CAB-2R
EVX-DR-2 Large Door
Charcoal-gray door fits a large cabinet or back
box
EVX-DR-2
EVX-DR-2R Large Door
Red door fits a large cabinet or back box
EVX-DR-2R
EVX-RM Remote Microphone
Remote microphone in a charcoal-gray cabinet
EVX-RM
EVX-SC Microphone Supervisory Card
supervises up to five remote microphones
EVX-SC
Americas:
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
Europe, Middle East, Africa:
Bosch Security Systems B.V.
P.O. Box 80002
5600 JB Eindhoven, The Netherlands
Phone: + 31 40 2577 284
Fax: +31 40 2577 330
emea.securitysystems@bosch.com
www.boschsecurity.com
Asia-Pacific:
Robert Bosch (SEA) Pte Ltd, Security Systems
11 Bishan Street 21
Singapore 573943
Phone: +65 6258 5511
Fax: +65 6571 2698
apr.securitysystems@bosch.com
www.boschsecurity.com
Represented by
© Bosch Security Systems Inc. 2010 | Data subject to change without notice
T1125085707 | Cur: en-US, V5, 4 Jul 2010
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