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INSTRUCTION MANUAL (ATEX / IECEx / UKEx)
GNExS1FDC024-S
Alarm Horn Sounder – SIL2
For use in Flammable Gas Atmospheres
1) Product Table
Model Number
GNExS1FDC024-S
*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. D157-00-651-IS
GNExS1FDC024-S
Nominal
Voltage Range
Input Voltage
24Vdc
20-28Vdc
Issue 1
27-10-2022
Nominal
Max.
Input Current
Current
185mA
221mA
www.e2s.com
Sound
Pressure Level
dB(A)
.†
Max*
Nom
115
110
Tel: +44 (0)208 743 8880
Sheet 1 of 14
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Summary of Contents for E2S GNExS1FDC024-S
- Page 1 INSTRUCTION MANUAL (ATEX / IECEx / UKEx) GNExS1FDC024-S Alarm Horn Sounder – SIL2 For use in Flammable Gas Atmospheres GNExS1FDC024-S 1) Product Table Sound Pressure Level Nominal Nominal Max. Model Number Voltage Range dB(A) Input Voltage Input Current Current .†...
- 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 100ºC further details. 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. D157-00-651-IS...
- Page 4 Model GNExS1F DC024-S 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. D157-00-651-IS Issue 1 27-10-2022 Sheet 4 of 14...
- Page 5 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. D157-00-651-IS Issue 1...
- 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. D157-00-651-IS...
- Page 7 Power relay RLY1-1 will be open whilst SIL 2 relay RLY1-2 will be closed contact between terminals 1 & 2. European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No. D157-00-651-IS...
- Page 8 If the hard reset process does not correct the latched fault the alarm horn sounder may require further investigation, please contact your local E2S representative. European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No.
- Page 9 15-1 as a 4 – Wire System. 14) SIL 2 APPROVED TONE SELECTION GNExS1FDC024-S sounders need to be set to one off the SIL 2 approved tones to work correctly with the automated sounder check on pattern generation and signal output checks.
- Page 10 If multiple SIL 2 alarm horn sounders are to be cabled in series the monitoring connections differ from that of a single alarm horn sounder. For more information see manual D197-00-651-IS available from the E2S website. 15-2) SIL 2 system wiring for fault detection in standby mode only – 2 wire installation Cabling is required to the positive '+' and negative '-' power input terminals only.
- Page 11 If multiple SIL 2 alarm horn sounders are to be cabled in series the monitoring connections differ from that of a single alarm horn sounder. For more information see manual D197-00-651-IS available from the E2S website. European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com...
- Page 12 The unit has now been reset. If the hard reset process does not correct the latched fault the alarm horn sounder may require further investigation, please contact your local E2S representative. J3 Header Pin - Position A Factory default position (pins 2 & 3 linked) Hard Reset Function disabled –...
- Page 13 Table 5: SIL 2 Failure Rate 18) Synchronised Operation All GNExS1FDC024-S alarm horn sounders connected to the same power supply and set to the same alarm tone will provide a synchronised output when activated. European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com...
- Page 14 The alternative 2-wire configuration requires an EOL resistor to be fitted. The EOL resistor can be specified during ordering and factory fitted or selected and fitted during the alarm horn sounder installation. See section 9 for EOL resistor location and wattage requirements. E2S recommends a value of 2.2K Ohm. If an alternative value is required, please see section 15-2.
- Page 15 2400Hz Motor Siren 0 1 1 1 1 1 1450Hz 0.25s 1 1 1 1 1 1 Simulated Bell 0.69ms E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH sales@e2s.com e2s.com Page 1 of 1 D221-95-651-IS_Issue_B - 28/11/2022...
- Page 16 STExS2 SIL 2 DC SOUNDER WIRING DIAGRAMS STANDARDS MANSELL ROAD EUROPEAN SAFETY SYSTEMS LTD. ACTON DRAWING NUMBER ALTERNATIVE MATERIAL AS PER LATEST DATE OF ISSUE SHOWN ABOVE LONDON W3 7QH SCALE SHEET APPROVED DATE WWW.E2S.COM D190-06-651 NTS 1 19/09/2022 R.N.POTTS...
- Page 17 19/09/2022 B.ISARD STExS2 SIL 2 DC SOUNDER WIRING DIAGRAMS STANDARDS MANSELL ROAD EUROPEAN SAFETY SYSTEMS LTD. ACTON DRAWING NUMBER AS PER LATEST DATE OF ISSUE SHOWN ABOVE LONDON W3 7QH SCALE SHEET ALTERNATIVE MATERIAL APPROVED DATE WWW.E2S.COM D190-06-651 19/09/2022 R.N.POTTS...
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Page 18: 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 19 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 20 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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