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INSTRUCTION MANUAL
STExS1
Alarm Horn Sounder
For use in Flammable Gas and Dust Atmospheres
1) Product Table
Standards
Model
STExS1RDC024
STExS1RAC230
STExS1FDC024
STExS1FAC230
*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.
Nominal current at nominal voltage.
Max rated current at worst case supply voltage.
Table 1: Electrical Ratings.
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. D199-00-001-IS
STExS1R
Nominal
Nominal
Input Voltage
Input Current
12Vdc
221mA
24Vdc
185mA
48Vdc
115mA
115Vac
73mA
230Vac
48mA
12Vdc
221mA
24Vdc
185mA
48Vdc
115mA
115Vac
73mA
230Vac
48mA
Issue 7
13-05-22
STExS1F
Voltage Range
Current
11.5-54Vdc
221mA
100-240Vac 50/60Hz
11.5-54Vdc
221mA
100-240Vac 50/60Hz
www.e2s.com
Sound
Pressure Level
Max.
dB(A)
.†
Max*
Nom
110
105
80mA
110
105
115
110
80mA
115
110
Tel: +44 (0)208 743 8880
Sheet 1 of 8
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Summary of Contents for E2S STExS1
- 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 STExS1: Class 1 Zone 1 AEx db IIC T5 Gb Ta -50°C to +70°C further details.
-
Page 3: Special Conditions For Safe Use
The sounder should be secured to any flat surface using the 85ºC three 7mm fixing holes (see figure 2). The angle can then be (STExS1 up to 65ºC ambient) adjusted as required but the mounting restrictions must be observed (see outline drawings for details, D199-05-001 for Dust Groupings STExS1F and D199-05-021 for STExS1R). -
Page 4: Installation Requirements
Figure 5: STExS1 Entries and Terminal Block Location. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com... - Page 5 For combustible dust applications, the cable entry device and Cable Glands. blanking elements shall be in type of explosion protection and shall have an IP 6X rating. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No.
- Page 6 Any other adapters used must be suitably rated and certified adapters. 8) Settings Following illustrations show the different settings available for STExS1 Alarm Horn Sounders. See schematic diagrams Figure 8: Stage Switching Polarity. D190-06-001 for DC units and D190-06-005 for AC units. 8.3. Tone Selection 8.1.
- Page 7 Refer to Schematic D190-06-001, Config. 6. Specify Product option ‘V’ when ordering. Spare part code for field installation: SP78-0001 E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No. D199-00-001-IS...
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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.