__________________________________________________________________________________________________________________
European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH [email protected] Tel: +44 (0)20 8743 8880
www.e2s.com Fax: +44 (0)20 8740 4200
Document No. IS4204 Issue: C 12-04-06 Sheet 1 of 2
INSTRUCTION & SERVICE MANUAL
E2xS121EG SOUNDERS
For Use In Hazardous Areas
•
45 Tones 3 stage Sounder
•
Automatic Synchronisation
•
Volume control
•
IP Rating
•
Operating Temperature Range
-20ºC to +55ºC
Unit Type No.
E2xS121EG
Input Voltages:
DC Units
10-30V or 48V
AC Units
120V or 230V
II 3G EEx nA nL IIC T4 (Tamb. -20ºC to +55°C)
Certificate No.
DEMKO 06 ATEX 0421554
Group/Category:
II
3G
Zone:
Zone 2
INSTALLATION
The E2xS121EG sounders must be installed in accordance
with the relevant parts of the EN60079 standards or the
equivalent IEC standards.
Note the units are factory set to
tone 2 (800/1000Hz alternating at 2Hz) and maximum output
.
If necessary the unit should be connected to a suitable power
supply in a safe area to determine what tone pattern and
output level is required.
Flat Washer
Spring Washer
M4 Hex
Socket Screw
WARNING – DO NOT OPEN WHEN ENERGISED
WARNING – TO AVOID A POSSIBLE ELECTROSTATIC
CHARGE ONLY CLEAN THE UNIT WITH A
DAMP CLOTH
E2xS121EG DC PCB Layout
E2xS121EG AC PCB Layout
MOUNTING
The E2xS121EG sounder must be mounted using the rotating
bracket as shown.
Release screw to rotate
bracket.
18° Increments
WIRING CONECTIONS
The E2xS121EG sounder has two M20 cable entries one of
which is fitted with an M20 blanking plug. This should be
removed if two cable entries are required. Cable entry devices
shall be used which ensure a minimum ingress protection of
IP54.
The cable connections are made to the terminal blocks on the
pcb assembly in the enclosure. On AC units a six way terminal
block is provided for the Mains Input Supply and a separate
three way terminal block is provided for selecting the second
and third stage outputs if required. On DC units a ten way
terminal block is provided for both the DC supply and the
second and third stages.
WARNING - ALL ELECTRICAL WIRING MUST BE
INSTALLED IN ACCORDANCE WITH THE
RELEVANT STANDARDS AND ANY LOCAL
CODES THAT MAY APPLY
AC SOUNDERS
Live
L
Common
C
Neutral
N
Stage 2
S2
Earth
E
Stage 3
S3
S
3
S
3
S
2
S
2
-
-
+
+
Tone Selection
DIP Switch
Volume Control
Potentiometer
E2xS121EG DC Sounder
Tone Switch and Volume
Control Positions
E
E
L
N
C S2
S3
S3
S2
C
N
L
L
N
C
C
N
L
Stage 2
Stage 3
S2
S3
Tone Selection
DIP Switch
Volume Control
Potentiometer
S
3
S
2
C
N N
L L
E E
E2xS121EG AC Sounder
Tone Switch and Volume
Control Positions