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1)
Introduction
The A131 high level audible warning system is an
effective wide area warning alarm system and
can be used where there is a requirement to
attract attention over large areas and also where
potential high levels of background noise exist.
The system comprises of a central control unit
which is configured to drive between one and four
synchronized audible horns.
The control unit produces forty five different alarm
sounds (tones) that are selectable using an
internal dipswitch (see tone table page 3 for
available tones) including a stage 2 and stage 3
alarm option.
Each audible horn is capable of producing a
range of loud warning signals with output levels
at
one
meter
of
approximately
depending on tone selected.
Both the control unit and horns are suitable to
mount either indoors or outdoors in a number of
mounting configurations with ingress protection to
IP66.
This particular unit is also fitted with a Battery
backup system with fault monitoring with relay
terminals and a set of remote start and stop
terminals.
2)
Operating and Marking
All
units
have
the
requirements and limitations.
Audible Horn Units
Unit Type No.:
A131
Operating Temp: -20 to +55C
IP Rating:
IP66
Weight:
4.7kg per horn
Control Panel
Unit Type No.
A131AC230GxB1
on variant chosen see table 1)
Input Voltage:
European Safety Systems Ltd.
Document No. D5423-D5426-IS_Issue_B 12-02-13
INSTRUCTION MANUAL
A131 High Level Audible Warning System / Battery backup
131dB(A)
following
operating
(dependent
Impress House, Mansell Road, Acton, London W3 7QH
Sheet 1 of 5
115 or 230VAC (90V to 264V AC range)
Operating Temp: -20 to +55C
IP Rating:
IP66
Weight:
5.5 kg single AC unit
7.0 kg four way AC unit
Marking:
Installation Requirements
Always de-energize control unit before removing
cover.
The installation of the units must be in
accordance with any local codes that may apply
and should only be carried out by a competent
electrical engineer who has the necessary
training.
3)
Power Supply Selection
It is important that a suitable power supply is run
the control unit. The power supply selected must
have the necessary capacity to provide the input
current to the control unit.
The following table shows the input current taken
by the various control unit configurations units:-
AC Unit Type
Input
No. Horns
Voltage Current I/P Volts
A131AC230G1B1
1 Horn Unit
115V AC 0.78A
1 Horn Unit
230V AC 0.39A
A131AC230G2B1
2 Horn Units
115V AC 1.60A
2 Horn Units
230V AC 0.78A
A131AC230G3B1
3 Horn Units
115V AC 3.9A
3 Horn Units
230V AC 1.5A
A131AC230G4B1
4 Horn Units
115V AC 4.2A
4 Horn Units
230V AC 1.95A
Table 1: Control Unit variants and power
requirements
Current levels shown above are for the nominal
input voltage. The input current will vary
according to the voltage input level and the tone
selected.
The above table also shows the maximum and
minimum voltages at which the control units can
be operated.
sales@e2s.com
www.e2s.com
Input
Range.
90-264V AC
90-264V AC
90-264V AC
90-264V AC
Tel: +44 (0)208 743 8880
Fax: +44 (0)208 740 4200
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Summary of Contents for E2S A131
- Page 1 INSTRUCTION MANUAL A131 High Level Audible Warning System / Battery backup 115 or 230VAC (90V to 264V AC range) Operating Temp: -20 to +55C IP Rating: IP66 Weight: 5.5 kg single AC unit 7.0 kg four way AC unit Marking:...
- Page 2 INSTRUCTION MANUAL A131 High Level Audible Warning System / Battery backup Cable Selection The battery should be routinely checked to ensure maximum battery life and correct When selecting the cable size consideration must be given to the input current that the control unit charging.
- Page 3 INSTRUCTION MANUAL A131 High Level Audible Warning System / Battery backup Fig 1-2 Battery Installation There is a set of contacts that change over on a system fault, this includes a battery fault or a charging fault. 9) Wiring of Control Unit to Power and horn units For wiring schematics see figures 3.
- Page 4 INSTRUCTION MANUAL A131 High Level Audible Warning System / Battery backup 11) Remote Sounder Operation Second and Third Stage Tone Selection First Stage Tone Selection To select the second and third stage tones on the This system is supplied with terminals that...
- Page 5 INSTRUCTION MANUAL A131 High Level Audible Warning System / Battery backup Fig 3: Schematic Circuit Diagram of AC unit with stages S2 and S3 with negative switching European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH sales@e2s.com Tel: +44 (0)208 743 8880 www.e2s.com...