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2S

EUROPEAN SAFETY SYSTEMS LTD

IMPRESS HOUSE

MANSELL ROAD

ACTON

LONDON W3 7QH

WWW.E2S.COM

C

THIS DRAWING AND ANY INFORMATION OR DESCRIPTIVE 

MATTER THEREIN IS COMMUNICATED IN CONFIDENCE AND 

IS THE COPYRIGHT PROPERTY OF EUROPEAN SAFETY 

SYSTEMS LTD. NEITHER THE WHOLE OR ANY EXTRACT MAY 

BE DISCLOSED, LOANED, COPIED OR USED FOR 

MANUFACTURING OR TENDERING PURPOSES WITHOUT THEIR 

WRITTEN CONSENT.

EUROPEAN SAFETY SYSTEMS LTD.

AS PER LATEST DATE OF ISSUE SHOWN ABOVE

DRAWING TO BS8888:2000
GEOMETRIC TOLERANCES TO ISO1101:1983
LINEAR DIMENSIONAL TOLS

ANGULAR DIMENSIONAL TOLS

STANDARDS

MOD No.

REASON - INITIAL - DATE

ISSUE

DATE

APPROVED

CHECKED

DATE

DATE

DRAWN

WEIGHT (Kg)

SURFACE FINISH

MATERIAL

ALTERNATIVE MATERIAL

SHEET

SCALE

TITLE

A3

IF IN DOUBT, ASK - 
DO NOT SCALE

ALL DIMENSIONS IN MM

DRAWING NUMBER

A

B

C

D

E

F

G

10

9

G

F

E

7

8

6

5

D

C

1

3

4

2

A

B

D190-06-001

R.S.RAIT

B.ISARD

R.N.POTTS

NTS

SWITCHES FOR STAGE OPERATION
CUSTOMER SUPPLIED

Stage 2 -ve

ve IN

ve OUT

Stage 1 -ve OUT

Stage 3 -ve

Stage 1 -ve IN

H2

H1

Stage 1 +ve

Stage 1 -ve

Stage 2 -ve

Stage 2 +ve

OF

2

3

R1

+

-
-

+

S2
S3

R1

+

-
-

+

S2

R2

OPTIONAL LINE MONITORING RESISTOR, CUSTOMER SUPPLIED,  

14V MAX SYSTEM = 120Ω MIN, 2W MIN OR 1KΩ MIN, 0.5W MIN

28V MAX SYSTEM = 470Ω MIN, 2W MIN OR 2.4KΩ MIN, 0.5W MIN

RECOMMENDED MINIMUM VALUES:

R1

Set H1 & H2 to -ve switching

Three/Four Stages. Voltage Free 2nd, 3rd & 4th Stage Activation Configuration                 Config.: 2
Common Positive
Customer Set H1 & H2 to Negative Switching (See Below)
Stage 1: Apply Power to ve & Stage 1 -ve 
Stage 2: Apply Power to ve & Stage 1 -ve & connect Stage 2 -ve to Stage 1 -ve 
Stage 3: Apply Power to ve & Stage 1 -ve & connect Stage 3 -ve to Stage 1 -ve 
Stage 4: Apply Power to ve & Stage 1 -ve

& connect Stage 2 -ve & Stage 3 -ve to Stage 1 -ve

Two Stage Configuration 

        Config.: 3

Independent Stage Input
Reverse Polarity Stage Monitoring

Stage 1: Apply Power to Stage 1 +ve & Stage 1 -ve
Stage 2: Apply Power to Stage 1 +ve & Stage 1 -ve & connect Stage 2 -ve to Stage 1 -ve

H2

H1

Set H1 & H2 to -ve switching

Cut Link W1

INTRODUCTION

INTRODUCTION

1

RSR - 19/01/2022

19/01/2022

19/01/2022

19/01/2022

D1x

D1xS1 / D1xS2 / GNExS1 / GNExS2 / STExS1 / 
STExS2 DC SOUNDER WIRING DIAGRAMS

Summary of Contents for GNExS1R Series

Page 1: ...c 50 60Hz 73mA 80mA 110 105 230Vac 48mA GNExS1FDC024 12Vdc 10 30Vdc 221mA 221mA 115 110 24Vdc 185mA GNExS1FDC048 48Vdc 38 60Vdc 115mA 221mA 115 110 GNExS1FAC230 115Vac 100 260Vac 50 60Hz 73mA 80mA 115 110 230Vac 48mA Max Tone 4 Nom Tone 44 The table shows the input current taken by the various sounders A supply voltage variation of 10 outside the voltage range is permissible The current levels sho...

Page 2: ...Classification The units can be installed in locations with the following conditions Area Classification Zone 1 Explosive gas air mixture likely to occur in normal operation Zone 2 Explosive gas air mixture not likely to occur in normal operation and if it does it will only exist for a short time Gas Groupings Group IIA Propane Group IIB Ethylene Group IIC Hydrogen and Acetylene Temperature Classi...

Page 3: ...ible between the cover and base of the sounder enclosure Tighten the M3 grub screw 7 Installation Requirements 7 1 Installation Standards Compliance Warning High voltage may be present risk of electric shock DO NOT open when energised disconnect power before opening The sounder must only be installed by suitably qualified personnel in accordance with the latest issues of the relevant standards ATE...

Page 4: ...ed in the table below Max Ambient Temperature ºC Model 40 45 50 55 60 65 70 GNExS1 70 75 80 85 90 95 Table 2 Min Ratings of Cables Cable Glands Cable Glands Appropriate cable glands to be customer supplied The cable entries have an M20 x 1 5 6H entry thread Only suitably rated and ATEX IECEx certified cable glands must be used They must be suitable for the type of cable being used and also meet th...

Page 5: ...nt tones that can be selected independently for the first and second stage alarms The tones are selected by operation of the tone setting DIP switch 1 DIP 2witch 2 see figures 6 and 7 on the PCB for stage 1 and stage 2 respectively Default S2 Tone 1 Default S1 Tone 44 ON 1 OFF 0 Figure 9 DIP switch configuration The sounder can also be switched to sound the third and fourth stage alarm tones The t...

Page 6: ... 06 005 for AC schematic diagrams 7a AC Single Stage Configuration Default 7b AC Three Four Stage Configuration Default 8 AC Two Stage Voltage Free Activation Configuration Custom K Table 3 Summary of Wiring Options 9 End of Line Monitoring DC Units All DC units have a blocking diode fitted in their supply input lines An end of line monitoring diode or an end of line monitoring resistor can be con...

Page 7: ...vant standards EN60079 19 IEC60079 19 Explosive atmospheres Equipment repair overhaul and reclamation EN 60079 17 IEC60079 17 Explosive atmospheres Electrical installations inspection and maintenance Flameproof threaded joints and cemented joints are not permitted to be repaired Units must not be opened while an explosive atmosphere is present If opening the unit during maintenance operations a cl...

Page 8: ...E MONITORING RESISTOR CUSTOMER SUPPLIED 14V MAX SYSTEM 120Ω MIN 2W MIN OR 1KΩ MIN 0 5W MIN 28V MAX SYSTEM 470Ω MIN 2W MIN OR 2 4KΩ MIN 0 5W MIN RECOMMENDED MINIMUM VALUES R1 Stage 1 ve IN Stage 1 ve OUT Common ve IN Common ve OUT Stage 2 ve Stage 1 ve IN Stage 1 ve OUT Common ve IN Common ve OUT Stage 2 ve Stage 3 ve R1 R1 S2 R1 S2 S3 Stage 1 ve IN Stage 1 ve OUT Stage 1 ve IN Stage 1 ve OUT Singl...

Page 9: ...ve OUT Stage 1 ve OUT Stage 3 ve Stage 1 ve IN H2 H1 Stage 1 ve Stage 1 ve Stage 2 ve Stage 2 ve OF 2 3 R1 S2 S3 R1 S2 R2 OPTIONAL LINE MONITORING RESISTOR CUSTOMER SUPPLIED 14V MAX SYSTEM 120Ω MIN 2W MIN OR 1KΩ MIN 0 5W MIN 28V MAX SYSTEM 470Ω MIN 2W MIN OR 2 4KΩ MIN 0 5W MIN RECOMMENDED MINIMUM VALUES R1 Set H1 H2 to ve switching Three Four Stages Voltage Free 2nd 3rd 4th Stage Activation Config...

Page 10: ...e 2 ve Stage 2 ve Two Three Stage Voltage Free Activation Configuration Config 5 Customer Set H1 H2 to Negative Switching See Below Power ve ve Stage 1 Connect Stage 1 ve to Common ve Stage 2 Cconnect Stage 2 ve to Common ve Stage 3 Connect both Stage 1 ve Stage 2 ve to Common ve CUSTOM CONFIGURATION CONTACT E2S WHEN ORDERING Cut Link W1 H2 H1 Set H1 H2 to ve switching CUSTOM CONFIGURATION CONTACT...

Page 11: ...S RAIT B ISARD R N POTTS OF NTS 1 SWITCHES FOR STAGE OPERATION CUSTOMER SUPPLIED 1 Earth Earth Stage 2 Stage 3 Common Live IN Live OUT Neutral IN Neutral OUT Earth Stage 1 Stage 2 Common N N L L E N N L L E C N N L L E C S2 S3 Live IN Live OUT Neutral IN Neutral OUT Stage 1 Live IN Stage 1 Live OUT Stage 1 Neutral IN Stage 1 Neutral OUT Single Stage Configuration Config 1a Stage 1 Apply Power to S...

Page 12: ... 0 0 0 1 0 1 0 0 0 0 1 1 0 0 0 1 1 1 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 1 0 0 1 1 0 1 0 0 0 0 1 1 0 0 1 0 1 1 0 0 0 1 1 1 0 0 1 1 1 1 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 1 0 0 1 0 1 1 0 0 1 0 0 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 1 1 0 1 0 1 1 0 1 1 0 0 0 1 1 1 0 0 1 1 1 1 0 0 0 0 0 0 1 0 1 0 0 0 1 1 1 0 0 0 1 0 0 1 0 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 1 1 0 0 1 0 0 0 1 0 1 0 1 0 1 0 1 1 0 1 1 0 1 0 1 1 1 0...

Page 13: ...dy No 2813 CSA Group Netherlands B V Utrechtseweg 310 6812 AR Arnhem Netherlands Quality Assurance Notification Module D SIRA 05 ATEX M342 Provisions fulfilled by the equipment II 2G Ex db IIB or IIC T3 T4 T5 or T6 Gb Standards applied EN 60079 0 2018 EN 60079 1 2014 A C 2018 Directive 2014 30 EU Electromagnetic Compatibility Directive EMC Standards applied EN 61000 6 1 2007 EN 61000 6 2 2005 EN 6...

Page 14: ...ate and Place of Issue London 23 12 2020 EU Declaration of Conformity On behalf of European Safety Systems Ltd I declare that on the date the equipment accompanied by this declaration is placed on the market the equipment conforms with all technical and regulatory requirements of the above listed directives regulations and standards This Declaration is issued under the sole responsibility of the m...

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