E2S GNExS1 Series Instruction Manual
Alarm horn sounder
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INSTRUCTION MANUAL
GNExS1
Alarm Horn Sounder
For use in Flammable Gas Atmospheres
1) Product Table
Unit Type Code
GNExS1RDC024
GNExS1RDC048
GNExS1RAC230
GNExS1FDC024
GNExS1FDC048
GNExS1FAC230
*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 sounders. Review associated cable size,
length and quantity of sounders on each circuit.
European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH
Document No. D157-00-001-IS
GNExS1R
Nominal
Voltage Range
Input Voltage
12Vdc
10-30Vdc
24Vdc
48Vdc
38-60Vdc
115Vac
100-260Vac 50/60Hz
230Vac
12Vdc
10-30Vdc
24Vdc
48Vdc
38-60Vdc
115Vac
100-260Vac 50/60Hz
230Vac
Issue 9
28-11-22
GNExS1F
Nominal
Max.
Input Current
Current
221mA
221mA
185mA
115mA
221mA
73mA
80mA
48mA
221mA
221mA
185mA
115mA
221mA
73mA
80mA
48mA
www.e2s.com
Sound
Pressure Level
dB(A)
Max*
Nom
.†
110
105
110
105
110
105
115
110
115
110
115
110
Tel: +44 (0)208 743 8880
Sheet 1 of 7
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Summary of Contents for E2S GNExS1 Series
- Page 1 Ensure the system power supply is capable of providing the maximum current required for all sounders. Review associated cable size, length and quantity of sounders on each circuit. European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No. D157-00-001-IS...
- Page 2 Temperature Classification for Gas Applications 3) Marking & Rating Information All units have a rating label, which carries the following important information. Products may have further approvals, see E2S website for further details. 100ºC 85ºC ATEX / IECEx / UKEX Ratings...
- Page 3 Ensure that the ‘O’ ring seal is in place and undamaged. European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No. D157-00-001-IS...
- Page 4 Max Ambient Temperature (ºC) Model GNExS1 Table 2: Min. Ratings of Cables & Cable Glands. European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No. D157-00-001-IS Issue 9 28-11-22 Sheet 4 of 7...
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Page 5: Tone Selection
NOTE: Max supply is 33V DC – if higher DC voltage is required, use Negative switching. Figure 8: Stage Switching Polarity. European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No. D157-00-001-IS Issue 9... - Page 6 6V. A monitoring voltage greater than 6V may activate the alarm horn sounder and the 2nd, 3rd or 4th stages. European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No. D157-00-001-IS...
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Page 7: Maintenance, Overhaul And Repair
PFD (hazardous failure) 2.4 x 10 Proof Test Interval Up to 1 year European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No. D157-00-001-IS Issue 9 28-11-22 Sheet 7 of 7... - Page 11 Page left Intentionally blank...
- Page 13 Page left Intentionally blank...
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Page 14: Eu Declaration Of Conformity
Other Standards and Regulations EN 60529:1992+A2:2013 - Degrees of protection provided by enclosures (IP code) – enclosure rated IP66/67 E2S Telephone: +44 (0)20 8743 8880 Fax: +44 (0)20 8740 4200 Email: sales@e2s.com www.e2s.com DC-038_Issue_F (GNExS, GNExL) - Page 1 of 2 -... - Page 15 This Declaration is issued under the sole responsibility of the manufacturer. Martin Streetz Document No.: DC-038_Issue_F Quality Assurance Manager Date and Place of Issue: London, 23/12/2020 E2S Telephone: +44 (0)20 8743 8880 Fax: +44 (0)20 8740 4200 Email: sales@e2s.com www.e2s.com DC-038_Issue_F (GNExS, GNExL) - Page 2 of 2 - QAF_252_Issue_5...
- Page 16 This Declaration is issued under the sole responsibility of the manufacturer. Martin Streetz Document No.: DC-095_Issue_A Quality Assurance Manager Date and Place of Issue: London, 04/02/2022 E2S Telephone: +44 (0)20 8743 8880 Fax: +44 (0)20 8740 4200 Email: sales@e2s.com www.e2s.com DC-095_Issue_A (GNExS, GNExL) - Page 1 of 1 QAF_252_Issue_5...
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