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INSTRUCTION MANUAL
STExS2
Alarm Horn Sounder
For use in Flammable Gas and Dust Atmospheres
1) Product Table
Standards
Unit Type Code
STExS2FDC024
STExS2FAC230
STExS2HDC024
STExS2HAC230
*Max = Tone 4
†
Nom. = Tone 44
The table shows the input current taken by the various sounders.
The current levels shown above are for the 440Hz Continuous tone @ nominal input voltage at P2 and P3 power setting.
Nominal current at nominal voltage.
Max rated current at worst case supply voltage.
Table 1: Product table
Ensure the system power supply is capable of providing the maximum current required for all beacons. Review associated cable size,
length and quantity of beacons on each circuit.
E2S Warning Signals
Impress House, Mansell Road, Acton, London W3 7QH
Document No. D199-00-051-IS
STExS2F
Nominal
Nominal
Input Current
Input Voltage
P2
12Vdc
289mA
324mA
24Vdc
195mA
48Vdc
115Vac
125mA
230Vac
78mA
12Vdc
289mA
324mA
24Vdc
195mA
48Vdc
115Vac
125mA
230Vac
78mA
Issue 3
13-05-22
STExS2H
Voltage
Range
P3
P2
356mA
740mA
11.5-54Vdc
324mA 740mA
391mA
282mA
100-240Vac
138mA 325mA
50/60Hz
167mA
356mA
740mA
11.5-54Vdc
324mA 740mA
391mA
282mA
100-240Vac
138mA 325mA
50/60Hz
167mA
Sound
Max.
Pressure Level
Current
P2, dB(A)
P3
Max*
Nom
120
115
120
115
124
119
124
119
www.e2s.com
Tel: +44 (0)208 743 8880
Sound
Pressure Level
P3, dB(A)
.†
.†
Max*
Nom
123
118
123
118
127
122
127
122
Sheet 1 of 8
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Summary of Contents for E2S STExS2
- Page 1 Ensure the system power supply is capable of providing the maximum current required for all beacons. Review associated cable size, length and quantity of beacons on each circuit. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No.
- Page 2 All units have a rating label, which carries the following Flameproof Enclosures 'd' important information. Ratings Products may have further approvals, see E2S website for STExS2: Class 1 Zone 1 AEx db IIC T5 Gb Ta -50°C to +70°C further details.
-
Page 3: Special Conditions For Safe Use
Figure 2: Fixing Location for STExS2F Sounder. Ambient Temperature Range -50°C to +70°C IP Rating IP6X to EN/IEC60079-0 IP66 to EN60529 E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No. D199-00-051-IS Issue 3... -
Page 4: Installation Requirements
Tighten the M4 grub screw. 2.5mm² / AWG 24-14. Wire insulation needs to be stripped 8mm. Wires may be fitted securely with crimped ferrules. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No. - Page 5 60ºC and therefore suitable heat resisting cables and cable glands must be used, with a rated service temperature at least as stated Figure 6: STExS2 Entries and Terminal Block Location. below: When connecting wires to the terminals great care should be...
- Page 6 8) Settings Following illustrations show the different settings available for STExS2 Alarm Horn Sounders. See schematic diagrams D190-06-001 for DC units and D190-06-005 for AC units. 8.1. SPL Configuration See Table 1 for product power supply and Sound Pressure Levels (SPL).
- Page 7 The resistor Figure 11: End of Line Resistor placement. leads should be kept as short as possible. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No.
-
Page 8: Maintenance, Overhaul And Repair
Potential electrostatic charging hazard - Clean only with a damp cloth. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No.
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