Ex d Gas installation
Contents
1. aes DIP Switch supply to the ve and ve terminals Similarly for the third Tone Selection S Stage Selection stage flash pattern connect a ve supply line to terminal S3 The supply line to the S3 terminal will automatically override Stage 1 Frequency Description DIAT Stage 2 Stage 3 a supply to the S2 terminal I Continuous 1000Hz 00000 Tones Tonell Toxic gas alarm f F 2 Altemating 800 1000Hz at 0 25s 10000 Tone 17 Tone 5 AC Units Second and Third Stage Selection interva 3 Slow Whoop 500 1200Hz at 0 3Hz 0 000 Tone 2 Tone 5 A with 0 5s repeated To select the second and third stage flash patterns on the 7 Sweeping 8001000 at THz i ooo rae T BExCS110 L1D AC beacons the Common C terminal on 5 Continuous at 2400Hz 00100 Tone3 Tone 27 6 Sweeping 2400 2900Hz at 7Hz 10100 Tone 7 Tone 5 the three way terminal block on the pcb is connected to the n Sweeping 24007290H z at THz Soo rao Tns S2 terminal for the second stage tone and the S3 terminal for 8 Siren 500 1200 500Hz at 0 3Hz T1100 Tone2 Tone 5 the third stage tone 9 Sawtooth 1200 500Hz at 1Hz 00010 Tone 15 Tone 2 10 Altemating 2400 2900Hz at 2Hz 10010 Tone 7 Tone 5 11 Intermittent 1000Hz at 0 5Hz 01010 Tone 31 Tone 1 Flash Pattern Table General alarm 12 Altemating 800 1000Hz2. warning signals 1 Introduction The BExCS110 L1D is a flameproof combined sounder LED beacon which is certified meet the requirements of the ATEX directive 94 9 EC and the IECEx Scheme The combined unit produces both loud audio warning signals and visual warning signals that can be used in hazardous areas where potentially flammable atmospheres may be present Thirty two different first stage audio alarm sounds can be selected by internal switches and each one can be externally changed to a second or third stage alarm sound see tone table on Page 5 The sounder produces output levels in the 110dB A range Nine different flash patterns can be selected including a steady ON state and can also be remotely switched to a second and third flash pattern see flash pattern table on page 5 The unit can be used in Zone 1 and Zone 2 areas with gases in groups IIA and IIB and with Temperature Classifications of T1 T2 T3 and T4 2 Marking All units have a rating label which carries the following important information Unit Type No BExCS110 L1D Input Voltage DC Units 12V or 24V or 48V AC Units 230V or 115V Code Ex d IIB T4 for Ta 50 C to 70 C Certificate No KEMA 01ATEX2223X IECEx KEM 10 0025X Epsilon x Equipment Group and Category Il 2G C 0518 DO NOT OPEN WHEN AN EXPLOSIVE GAS ATMOSPHERE IS PRESENT CE Marking Notified Body No Warnings COVER BOLTS CLASS A4 80 USE HEAT RESISTING CAB
3. 760mA 15V BExCS110 L1D 48V DC 130mA 50V BExCS110 L1D 230V AC 65mA 253V BExCS110 L1D 115V AC 135mA 126V The above table also shows the maximum voltages at which the units can be operated Sounder Section The input current to the sounder section will vary according to the voltage input level and the frequency of the tone selected The current levels shown above are for the 440Hz Continuous tone nominal input voltage The 24V and 48V DC units and the 230V AC 115V AC units have a switching voltage regulator circuit and therefore the input current level will decrease slightly as the input voltage in increased and European Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH Document No IS 2446 P Issue C 23 04 10 sales e 2 s com Www e 2 s com Tel 44 0 208 743 8880 Fax 44 0 208 740 4200 Sheet 2 of 6 will increase slightly as the input voltage is reduced The 12V units do not have a voltage regulator and therefore their input current will increase when the input voltage is increased LED Beacon Section The input current to the beacon section will vary according to the voltage input level The current levels shown above are for nominal input voltages of 12V 24V and 48V DC the units have a converter circuit and therefore the input current level will decrease slightly as the input voltage in increased and will increase slightly as the input voltage is reduced 10 Cable Selection When selecting th
4. operate simultaneously or they can be wired to separate input supplies so they can be operated independently see diagrams on page 6 of this manual If the sounder and beacon sections are connected to the same input supply the incoming cables should be connected to the input terminals on the LED beacon board and the two connecting wires that are supplied with the unit should be used to link the supply from the interconnecting terminals on the beacon board down to the supply terminals on the sounder board SOUNDER SECTION CONECTIONS On the AC units a two way terminal block is provided for the live and neutral mains supply wires and a three way terminal block is provided for linking the second and third stages see figure 7 On the DC units a four way terminal block is provided for ve and ve supply input and second and third stage modes of operation see figure 6 A single wire with a cross sectional area of up to 4mm can be connected to each terminal way or if an input and output wire is required two 2 5mm wires can be connected to each terminal way When connecting wires to the terminals great care should be taken to dress the wire so that when the beacon section is inserted into the chamber the wires do not exert excess pressure on the terminal blocks This is particularly important when using cables with large cross sectional areas such as 2 5mm and above If the sounder is wired to the same power supply as the beacon always us
5. third stage flash patterns The flash patterns are selected by pin headers on the pcb for both DC and AC units The table on page five shows the pin header positions for the nine flash patterns and which patterns are available for the second and third stages To operate the led beacon on stage one simply connect the supply voltage to the normal supply terminals ve and ve for DC units L and N for AC units The operation of the second and third stages is different for DC and AC units DC Units Second and Third Stage Selection To change to the second stage flash pattern simply connect a ve supply line to terminal S2 while maintaining the dc Pattern Selection Pin Headers PCB Edge 17 Line Monitoring DC Units On BExCS110 L1D DC units dc reverse line monitoring can be used if required All DC units have a blocking diode fitted in their supply input lines on both the sounder section and the LED beacon section An end of line monitoring diode or an end of line monitoring resistor can be connected across the ve and ve terminals If an end of line resistor is used it must have a minimum resistance value of 3k3 ohms and a minimum wattage of 0 5 watts or a minimum resistance value of 500 ohms and a min wattage of 2 watts If the sounder and beacon sections are wired to separate power supplies then an end of line monitoring component can be used in each section TONE SELECTION TABLE
6. wire may be made 2 common to both the sounder and the Bg 4 t beacon to reduce the number of cores in SES I z the cable no Unit No 1 Unit No 2 Unit No 3 Beacon Sounder Beaoon Sounder Beaoon Sounder pcp f pce PcB PCB PcB f pce E m m Sl BExCS110 L1D DC Combined Sounder Unit i LED Beacon and Sounder Wired for Simultaneous Operation Sounder2nd S2 amp 3rd Stages S3 Beacon 2nd s2 amp 3rd Stages s3 Unit No 1 Unit No 2 Unit No 3 OX a Beacon Sounder Beacon Sounder Beacon Sounder A PCB PCB PCB PCB PCB PCB BExCS110 L1D AC Combined Sounder Unit TT TTT i F ra THT TT LED Beacon and Sounder Wired for Independent Operation gett co N 82 s 4 NOTE ad fe C Either the L or the N wire may be made r common to both the sounder and the L ji beacon to reduce the number of cores in BES x the cable 8S c l J Unit No 1 Unit No 2 Unit No 3 Beacon Sounder Beacon Sounder Beacon Sounder Pee tj PCE P tj Poe Pcp tf PCB BExCS110 L1D AC Combined Sounder Unit mre ay pss Lt sess rey ey LED Beacon and Sounder Wired for Simultaneous Operation pei N Sounder 2nd L L amp 3rd Stages Cc Beacon2nd 2 ai amp 3rd Stages F Tel 44 0 208 743 8880 Fax 44 0 208 740 4200 sales e 2 s com Www e 2 s com European Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH Document No IS 2446 P Issue C 23 04 10 Sheet 6 of 6 EC DE
7. 32 Sweeping 500 1200Hz 3 75s on te dA E Tone 26 Tone 1 0 25s off 15Hz Pattern No 4 Pattern No 5 Pattern No 6 o See ee eee 6 e Pattern No 7 Pattern No 8 Pattern No 9 e e e 0 o Se 6 European Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH Document No IS 2446 P Issue C 23 04 10 sales e 2 s com Www e 2 s com Tel 44 0 208 743 8880 Fax 44 0 208 740 4200 Sheet 5 of 6 Unit No 1 Unit No 2 Unit No 3 Beacon Sounder Beacon Sounder Beacon Sounder BExCS1 1 0 L1 D DC Combined Sounder Unit CI CI CI CI CI CI 7 EE Ss PEN ea fete LED Beacon and Sounder Wired for Independent Operation a3 i ji NOTE D8 2 ji I Either the ve or the ve
8. CLARATION OF CONFORMITY v2 Manufacturer European Safety Systems Ltd Impress House Mansell Road Acton 3 London W3 7QH UK warning signals Equipment Type BExCS110 05D BExDCS110 05D BExCL15 05D BExDCL15 05D BExCA110 05D BExDCA110 05D BExCTS110 05D BExDCTS110 05D BExCTV110 05D BExDCTV110 05D BExCS110L1D BExDCS110L1D Directive 94 9 EC Electrical and Mechanical equipment for use in explosive atmospheres ATEX Notified Body for EC type Examination KEMA Quality B V Notified Body No 0344 Utrechtseweg 310 6812 AR Arnhem The Netherlands EC type Examination Certificate KEMA 01ATEX2223X Notified Body for Quality Assurance Notification Sira Certification Service Notified Body No 0518 Rake Lane Eccleston Chester CH4 9JN UK Quality Assurance Notification SIRA 05 ATEX M342 Provisions fulfilled by the equipment 12 G Ex d IIB T4 Il 2 D Ex tD A21 IPGX T100 C or T115 C Standards applied EN 60079 0 2006 EN 60079 1 2007 EN 61241 0 2006 EN61241 1 2004 Directive 2004 108 EC Electromagnetic Compatibility Directive EMC Standards applied EN 61000 6 1 2007 EN 61000 6 2 2005 EN 61000 6 3 2007 EN 61000 6 4 2007 The standards EN 60079 0 2006 EN 61241 0 2006 and EN 61241 1 2004 are no longer harmonized The requirements of these standards have been checked against the harmonized standards EN 60079 0 2009 and EN 60079 31 2009 and there were no major technical changes affecting the latest technical k
9. LES AND CABLE GLANDS Rated 110 C AT AMB TEMPERATURES OVER 40 C Year of Construction Serial No i e 10 1CS851000001 3 Type Approval Standards The units have an EC Type examination certificate issued by KEMA and have been approved to the following standards INSTRUCTION MANUAL ATEX IECEx BExCS110 L1D Flameproof Combined Sounder LED Beacon EN60079 0 2006 IEC60079 0 2004 Ed4 General Requirements EN60079 1 2007 IEC60079 1 2007 Ed6 Flameproof Enclosure d 4 Installation Requirements The unit must be installed in accordance with the latest issues of the relevant parts of the EN60079 specifications or the equivalent IEC specifications Selection Installation and maintenance of electrical apparatus for use in potentially explosive atmospheres other than mining applications or explosive processing and manufacture Electrical Installations in Hazardous Areas other than mines EN60079 14 2008 IEC60079 14 2007 Ed4 EN60079 10 2003 Classification of Hazardous Areas IEC60079 10 2008 Ed1 The installation of the unit must also be in accordance with any local codes that may apply and should only be carried out by a competent electrical engineer who has the necessary training 5 Zones Gas Group Category and Temperature Classification The BExCS110 L1D unit has been certified Ex d IIB T4 for Ta 50 C to 70 C This means that the units can be installed in locations with the foll
10. at 0 875Hz 1 010 Tone 4 Tone 5 13 Intermittent 2400Hz at 1Hz 00110 Tone 15 Tone 5 Stage 1 LED Stage 2 Stage 3 14 Intermittent 800Hz 0 25s on Is off 10110 one 4 Tone 5 15 Continuous at 800Hz 0 110 Tone 2 Tone 5 Pattern Flash Pattern Pattern Pattern 16 Intermittent 660Hz 150mS on 11110 Tone 18 Tone 5 1 ON 9 8 150mS off 2 Rotating 3 LED on Fast 7 1 17 Altemating 544Hz 00001 Tone 2 Tone 27 100mS 440Hz 400mS 3 Rotating 6 LED on Fast 8 1 18 Intermittent 660Hz 1 8s on 1 85 off 10001 Tone 2 Tone 5 4 Rotating 3 LED on Slow 9 1 19 ee ee E aD onga TI TOR 5 Rotating 6 LED on Slow 6 1 over 0 5s y 20 Continuous 660Hz 1 1001 Tone 2 Tone 5 6 Double strike strobe 1 Hz 9 1 21 Altemating 554 440Hz at 1Hz 00101 Tone 2 Tone 5 7 Single strike strobe 2 Hz 3 1 22 Intermittent 554Hz at 0 875Hz 10101 Tone 2 Tone 5 7 23 800Hz pulsing at 2Hz 01101 Tone 6 Tone 5 8 Double strike strobe 2 Hz 3 1 24 Sweeping 800 1000Hz at 50Hz 11101 Tone 29 Tone 5 9 Alternate side flash 1 1 2 Hz 3 1 25 Sweeping 2400 2900Hz at 50Hz 00011 Tone29 Tones 26 Simulated bell sound 10011 Tone 2 Tone 1 27 Continuous 554Hz 01011 Tone 26 Tone 5 28 Continuous 440Hz I Re O t e OE Tone 2 Tone 5 PIN HEADER POSITIONS 29 Sweeping 800 1000Hz at 7Hz 00111 Tone 7 Tone 5 30 420Hz repeating 0 625s on 0 625s 1405 LAL Tone 32 Tone 5 Pattern No 1 Pattern No 2 Pattern No 3 off Australian alert signal 31 1200 500Hz at 1 Hz 01111 Tone 11 Tone 1 eee eee eee Prepare to abandon platform o
11. e the flexible interconnecting wires provided LED BEACON SECTION CONNECTIONS The cable supply connections are made into the terminal blocks on the electronic pcb assembly located in the flameproof LED beacon section enclosure see section 8 of this manual for access to the flameproof enclosure The AC unit has two live terminals and two neutral terminals for the input and output supply wiring and the DC unit has two ve European Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH Document No IS 2446 P Issue C 23 04 10 sales e 2 s com Www e 2 s com Tel 44 0 208 743 8880 Fax 44 0 208 740 4200 Sheet 3 of 6 terminals and two ve terminals for the input and output supply wiring Both units have S2 and S3 terminals to remotely change the flash pattern see section 16 of this manual Wires having a cross sectional area of up to 4mm can be connected to each terminal way When connecting wires to the terminals great care should be taken to dress the wires so that wires do not exert excess pressure on the terminal blocks This is particularly important when using cables with large cross sectional areas such as 2 5mm and above BExCS110 L1D AC LED Beacon Section AC Input Interconnecting Terminals Terminals to sounder pcb simultaneous mode of operation Flash Pattern Pin Headers BExCS110 L1D DC Beacon Section Interconnecting DC Input Terminals to Terminals
12. e unit must be fully tightened to ensure that the unit cannot move in service Plastic Acoustic Horn Please see Safety Warning Sounder Beacon In Section 7 of this manual Section Section Flashdome ie Guard S S Mounting Bracket 7 Safety Warning Electrostatic Hazard The acoustic horn section is made of ABS Plastic therefore to avoid a possible ELECTROSTACTIC CHARGE the unit must only be cleaned with a damp cloth 8 Access to the Flameproof Enclosure In order to connect the electrical supply cables to the unit it is necessary to remove the beacon section to gain access to the flameproof chamber To achieve this remove the four M6 hexagon socket head screws see figure 2 and withdraw the beacon section taking extreme care not to damage the flameproof joints in the process Note the four M6 screws are Class A4 80 stainless steel and only screws of this category can be used on these units It is therefore important that these screws and their spring washers are kept in a safe place during installation On completion of the cable wiring installation the flameproof joints should be inspected to ensure that they are clean and that they have not been damaged during installation Also check that the earth bonding wire between the two casting sections is secure and the O ring seal is in place When replacing the beacon section casting ensu
13. e cable size consideration must be given to the input current that each unit draws see table above the number of units on the line and the length of the cable runs The cable size selected must have the necessary capacity to provide the input current to all of the units connected to the line SAFETY WARNING If the unit is used at high ambient temperatures i e over 40 C then the cable entry temperature may exceed 70 C and therefore suitable heat resisting cables must be used with a rated service temperature of at least 110 C 11 Earthing Both AC and DC units must be connected to a good quality earth The units are provided with internal and external earthing terminals which are both located on the beacon section of the unit see figures 2 and 3 Internal Bonding _ J Wire Terminal NINTT TT oca 0 Da NL CTEM a oO Internal Earth Terminal ik ae 2 off M20 Cable Entries 7 Figure 3 When using the external earth terminal a cable crimp lug must be used The cable lug should be located between the two M5 stainless steel flat washers The M5 stainless steel spring washer must be fixed between the outer flat washer and the M5 stainless steel nut to ensure that the cable lug is secured against loosening and twisting The internal earth bonding wire ensures that a good quality earth is maintained between the sounder section casting and the beacon section casting 12 Cab
14. le Glands The BExCS110 L1D unit has dual cable gland entries which have an M20 x1 5 entry thread as standard Only cable glands approved for Ex d applications can be used which must be suitable for the type of cable being used and also meet the requirements of the Ex d flameproof installation standard EN60079 14 2008 IEC60079 14 2007 SAFETY WARNING If the unit is used at high ambient temperatures i e over 40 C then the cable entry temperature may exceed 70 C and therefore suitable heat resisting cable glands must be used with a rated service temperature of at least 110 C If a high IP Ingress Protection rating is required then a suitable sealing washer must be fitted under the cable gland When only one cable entry is used the other one must be closed with an Ex d flameproof blanking plug which must be suitably approved for the installation requirements 13 Cable Connections The combined sounder LED beacon unit BExCS110 L1D has separate printed circuit boards in the sounder and LED beacon sections The terminals for the sounder are on the printed circuit board in the sounder section and the terminals for the beacon are on the printed circuit board in the beacon section see figures 4 amp 5 and 6 amp 7 See section 8 of this manual for access to the enclosure and the wiring diagrams at the end of this manual The sounder and LED beacon sections can be wired to the same input supply so that they
15. nowledge for the products listed above On behalf of European Safety Systems Ltd 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 VA QeAEE Martin Streetz Date and Place of Issue London 04 07 2012 Quality Assurance Manager Document No DC 005 Issue_C Telephone 44 0 20 8743 8880 European Safety Systems Ltd Facsimile 44 0 20 8740 4200 Company Registration No 2763350 E mail sales e2s com Registered Office Impress House www e2s com Mansell Road London UK W3 7QH UK
16. o the S3 terminal will automatically override a supply to the S2 terminal AC Units Second and Third Stage Tone Selection To select the second and third stage tones on the BExCS110 L1D AC sounder section the Common C terminal on the three way terminal block on the pcb is connected to the S2 terminal for the second stage tone and the S3 terminal for the third stage tone BExCS110 1D DC Sounder Section Stage Headers Volume Control S2 s3 DC Input Terminals BExCS110 L1D AC Sounder Section Volume Control O S S Stage Terminals BLEEE i 2 is o 7 o amp N lo o9 O Q AC Input Terminals DIP Switch 15 Volume Control The BExCS110 L1D sounder section with the exception of 12V DC units has a volume control to adjust the output level To set the required output level adjust the potentiometer on European Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH sales e 2 s com Tel 44 0 208 743 8880 Document No IS 2446 P Issue C 23 04 10 www e 2 s com Fax 44 0 208 740 4200 Sheet 4 of 6 the pcb For maximum output level the potentiometer should be set to the fully clockwise position 16 Flash Pattern Selection and 2nd amp 3rd Stages The BExCS110 L1D LED beacons have 9 different flash patterns including one ON state that can be selected for the first stage They can then be remotely switched to second and
17. owing 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 and if it does it will only exist for a short time Gas Groupings Group IIA Propane Group IIB Ethylene Equipment Category 2G Temperature Classification T1 400 C T2 300 C T3 200 C T4 135 C Ambient Temperature Range 50 C to 70 C European Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH Document No IS 2446 P Issue C 23 04 10 Sheet 1 of 6 sales e 2 s com Wwww e 2 s com Tel 44 0 208 743 8880 Fax 44 0 208 740 4200 6 Location and Mounting The location of the unit should be made with due regard to the area over which both the sounder and beacon warning signal must be audible and visible The unit should only be fixed to services that can carry the weight of the unit The unit should be securely bolted to a suitable surface using the 7mm diameter boltholes in the stainless steel U shaped mounting bracket see figure 1 The angle can then be adjusted in the direction such that its warning signals can be both heard and seen This can be achieved by loosening the two large bracket screws in the side of the unit which allow adjustment in steps of 18 On completion of the installation the two large bracket adjustment screws on the side of th
18. re that it is square with the sounder section chamber casting before inserting Carefully push the beacon section in place allowing time for the air to be expelled Only after the beacon section casting is fully in place should the four M6 Stainless Steel A4 80 cover bolts and their spring washer be inserted and tightened down If the beacon section jams while it is being inserted carefully remove it and try again Never use the cover bolts to force the beacon section casting into position In case of repair contact the manufacturer for information on the dimensions of the flameproof joints External Earth Terminal 4 off Cover Screws 9 Power Supply Selection It is important that a suitable power supply is used to run the unit The power supply selected must have the necessary capacity to provide the input current to all of the units connected to the system The sounder and LED beacon sections can both be wired to the same power supply or to different power supplies The following table shows the input current taken by the sounder section and beacon section of the various units Unit Type Input Sounder Max Voltage Current I P Volts BExCS110 L1D 24V DC 265mA 30V BExCS110 L1D 12V DC 195mA 15V BExCS110 L1D 48V DC 130mA 50V BExCS110 L1D 230V AC 56mA 253V BExCS110 L1D 115V AC 110mA 126V Unit Type Input LED Beacon Max Voltage Current I P Volts BExCS110 L1D 24V DC 400mA 30V BExCS110 L1D 12V DC
19. sounder pcb simultaneous mode of operation Flip Flop Pin Header 14 Tone Selection and 2nd and 3rd Stage Alarms The BExCS110 L1D sounder section has 32 different tones that can be selected for the first stage alarm The sounders can then be switched to sound second and third stage alarm tones The tones are selected by operation of a DIP switch on the sounder pcb for both DC and AC units The tone table on page five shows the switch positions for the 32 tones and which tones are available for the second and third stages To operate the sounder on stage one simply connect the supply voltage to the normal supply terminals ve and ve for DC units L and N for AC units The operation of the second and third stages is different for DC and AC units DC Units Second and Third Stage Tone Selection The BExCS110 L1D DC sounder section has the facility to use either ve or ve switching to change the tone to the second and third stages For ve switching connect the two headers on the pcb to the left hand marked ve and centre pins For ve switching connect the headers to the right hand marked ve and the centre pins To change to the second stage tone connect either a ve or ve supply line to terminal S2 depending on which switching mode is being used while maintaining the dc supply to the ve and ve terminals Similarly for the third stage tone connect a ve or ve supply line to terminal S3 The supply t
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