INSTRUCTION MANUAL (ATEX / IECEx)
Contents
1. BExCBG05 05D AC Combined Beacon Unit Beacons Wired for Simultaneous or if the header link is in place on one of the pcb s Flip Flop Operation see sections 14 and 15 NOTE Either the L or the N wire may be made common to both the sounder ji and the beacon to reduce the z at number of cores in the cable zear BExCBG05 05D AC Combined Beacon Unit Beacons Wired for Independent Operation European Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH sales e 2 s com Tel 44 0 208 743 8880 www e 2 s com Fax 44 0 208 740 4200 Document No IS 2466 Issue E 19 03 10 Sheet 5 of 5 EC DECLARATION OF CONFORMITY v2 Manufacturer European Safety Systems Ltd Impress House Mansell Road Acton 3 London W3 7QH UK warning signals Equipment Type BExCBG05 05D 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 01ATEX2222X 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 ATE2. 1DCB21000001 3 Type Approval Standards The units have an EC Type examination certificate issued by KEMA and have been approved to the following standards EN60079 0 2006 IEC60079 0 2004 Ed4 General Requirements EN60079 1 2007 IEC60079 1 2007 Ed6 Flameproof Enclosure d BExCBG05 05D Flameproof Combined Beacon Beacon For use in Flammable Gas and Dust Atmospheres EN61241 0 2006 1EC61241 0 2004 Ed1 Dust General Requirements EN61241 1 2004 IEC60079 1 2004 Ed1 Dust Enclosures tD 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 IP Rating and Temperature Classification The BExCBG05 05D unit has been certified Ex d IIB T4 for Ta 50 C to 70 C and Ex d IIB T5 for Ta 50 C to 55 C for gas an
3. 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 ensure that it is square with the chamber beacon section casting before inserting Carefully push the cover beacon section in place allowing time for the air to be expelled Only after the cover 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 cover beacon section jams while it is being inserted carefully remove it and try again Never use the cover bolts to force the cover 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 gt A 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 beacon sections can both be wired to the same power supply or to different power supplies Power Supply Selection The following table shows the input current taken by each b
4. Chamber Beacon Section Supply Terminals Flip Flop Pin Header 12 End of Line Monitoring DC Units On BExCBG05 05D 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 beacon sections 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 beacon sections are wired to separate power supplies then an end of line monitoring component can be used in each section 13 Synchronised Operation All BExCBG05 05D units that are connected to the same supply line will have a synchronised flash rate at one flash every second To ensure that the units will be synchronised check that the pin header is not fitted i e the two header pins are not shorted together see Figures 4 and 5 14 Flip Flop Operation The two beacon sections can be set to form a flip flop operation where the beacons will flash alternately To achieve this mode of operation fit a pin header to the flip flop header pins on one of the electronics board i e the two header pins are shorted together see figures 4 to 6 The first flash on the beacon that has the header
5. 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 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 For combustible dust applications the cable entry device and blanking elements shall be in type of explosion protection increased safety e or flameproof enclosure d and shall have an IP 6X rating according to EN60529 1992 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 11 Cable Connections The combined beacon beacon unit BExCBG05 05D has separate printed circuit boards for each beacon section The terminals for the chamber beacon are on the printed circuit board in the chamber beacon section and the terminals for the cover beacon are on the printed circuit board in the cover beacon section see figures 4 amp 5 and 6 amp 7 See section 7 of this manual for access to the enclosure and the wiring diagrams at the end of this manual Both beacon sections can be wired to the same input supply so that they operate simultaneously or they ca
6. INSTRUCTION MANUAL ATEX IECEx warning signals 1 Introduction The BExCBG05 05D is a flameproof combined beacon beacon which is certified to meet the requirements of the ATEX directive 94 9 EC and the IECEx scheme Each beacon section produces a synchronised visual warning signal and has a flash energy of 5 joules The unit can be used in hazardous areas where potentially flammable gas and dust atmospheres may be present 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 T4 and T5 and can also be used in Zone 21 and Zone 22 areas for combustible dusts and have an IP rating of IP 67 and a surface temperature rating of T115 C T100 C at 55 C 2 Marking All units have a rating label which carries the following important information Unit Type No BExCBG050 05D Input Voltage DC Units 12V or 24V or 48V AC Units 230V or 115V Codes Ex d IIB T4 for Ta 50 C to 70 C Ex d IIB T5 for Ta 50 C to 55 C Ex tD A21 IP6X T115 C based on max Ta of 70 C Certificate No KEMA 01ATEX2222X IECEx KEM 10 0024X Epsilon x Equipment Group and ll 2G D Category CE Marking C 0518 Notified Body No DO NOT OPEN WHEN AN EXPLOSIVE GAS DUST ATMOSPHERE IS PESENT Warnings COVER BOLTS CLASS A4 80 USE HEAT RESISTING CABLES AND CABLEGLANDS Rated 110 C AT AMB TEMPERATURES OVER 40 C Year of Construction Serial No i e 10
7. X M342 Provisions fulfilled by the equipment Il 2 GExd IIB T4 or T5 ll 2 D Ex tD A21 IP6X T100 C or T115 C Standards applied EN 60079 0 2006 EN 60079 1 2007 EN 61241 0 2006 EN 61241 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 knowledge 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 laei AEB Martin Streetz Date and Place of Issue London 04 07 2012 Quality Assurance Manager Document No DC 006 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
8. d Ex tD A21 IP6X T100 C Ta lt 55 C or T115 C Ta lt 70 C for dust This means that the units can be installed in locations with the following conditions Area Classification Gas 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 Temperature Classification T1 400 C T2 300 C T3 200 C T4 135 C T5 100 C Area Classification Dust Zone 21 Explosive dust air mixture likely to occur in normal operation Zone 22 Explosive dust air mixture not likely to occur and if it does it will only exist for a short time European Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH Document No IS 2466 Issue E 19 03 10 Sheet 1 of 5 Tel 44 0 208 743 8880 Fax 44 0 208 740 4200 sales e 2 s com Www e 2 s com IP Rating IP67 T100 C Ta lt 55 C T115 C Ta lt 70 C Equipment Category 2G D Ambient Temperature Range 50 C to 70 C 6 Location and Mounting The location of the unit should be made with due regard to the area over which both beacon warning signals must be 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 suitabl
9. e 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 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 the unit must be fully tightened to ensure that the unit cannot move in service SAFETY WARNING The flashdome guards must not be removed from the unit at any time Chamber Beacon Section Cover Beacon Section Flashdome Guard Flashdome iz Guard N Y TA r Tk S S Mounting 7 Access to the Flameproof Enclosure In order to connect the electrical supply cables to the unit it is necessary to remove the cover 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 cover 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
10. eacon section of the various units Chamber Unit Type Input Beacon Max Voltage Current UP Volts BExCS110 05D 24V DC 300mA 30V BExCS110 05D 12V DC 750mA 15V BExCS110 05D 48V DC 1800mA 58V BExCS110 05D 230V AC 55mA 253V BExCS110 05D 115V AC 140mA 126V Cover Unit Type Input Beacon Max Voltage Current I P Volts BExCS110 05D 24V DC 300mA 30V BExCS110 05D 12V DC 750mA 15V BExCS110 05D 48V DC 1800mA 58V BExCS110 05D 230V AC 55mA 253V BExCS110 05D 115V AC 140mA 126V The above table also shows the maximum voltages at which the units can be operated The circuits of each beacon section are the same The input current to each beacon section will vary according to the voltage input level The current levels shown above are for nominal input voltage The 12V 24V and 48V DC units have a converter circuit and therefore the input current level will European Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH Document No IS 2466 Issue E 19 03 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 5 decrease slightly as the input voltage in increased and will increase slightly as the input voltage is reduced 8 Cable Selection When selecting the 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 pro
11. fitted will be delayed by second The two beacons will then flash alternately every 2 a second Unit No 1 Unit No 2 Unit No 3 over hame Cover Beacon Baban Beacon Chamber oe Chamber PCB Beacon eacon eacon a en bate pee 1 rece pcB pce lt Fe te pa BExCBG05 05D DC Combined Beacon Unit Beacons Wired for Simultaneous or if the header link is in place on one of the pcb s Flip Flop Operation see sections 14 and 15 European Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH Document No IS 2466 Issue E 19 03 10 sales e 2 s com Www e 2 s com Tel 44 0 208 743 8880 Fax 44 0 208 740 4200 Sheet 4 of 5 Unit No 1 Unit No 2 Unit No 3 O QO ON QO Eia E NOTE Beacon Bescon Bescon gos Bescon p Either the ve or the ve wire may PCB PCB PCB PCB i g y ka be made common to both the chamber and cover beacons to reduce the number of cores in the cable BExCBG05 05D DC Combined Beacon Unit Beacons Wired for Independent Operation Unit No 1 Unit No 2 Unit No 3 Chamber Chamber Beacon eacon PCB L PCB PCB PCB N LN LN N LN LN
12. ided COVER BEACON SECTION CONNECTIONS The cable connections are made into the terminal blocks on the electronic pcb assembly located in the cover beacon section enclosure A four way terminal block is provided on both AC and DC beacons Therefore there are two live terminals and two neutral terminals for the input and output wiring on AC units On the DC units there are two ve European Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH Document No IS 2466 Issue E 19 03 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 5 terminals and two ve terminals for the input and output wiring 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 BExCBG05 05D AC Cover Beacon Section Interconnecting Terminals to chamber beacon pcb simultaneous or flip flop mode of operation AC Input Terminals Flip Flop Pin Header BExCBG05 05D DC Cover Beacon Section Interconnecting Terminals to chamber beacon pcb simultaneous or flip flop mode of operation DC Input Terminals Flip Flop Pin Header BExCBG05 05D
13. n be wired to separate input supplies so they can be operated independently see diagrams of pages 4 and 5 of this manual If the beacon sections are connected to the same input supply the incoming cables should be connected to the input terminals on the cover 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 cover beacon board down to the supply terminals on the chamber beacon board CHAMBER BEACON SECTION CONECTIONS The cable connections are made into the terminal blocks on the electronic pcb assembly located in the chamber beacon section enclosure A four way terminal block is provided on both AC and DC beacons Therefore there are two live terminals and two neutral terminals for the input and output wiring on AC units On the DC units there are two ve terminals and two ve terminals for the input and output wiring see figure 6 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 wire so that when the cover 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 both beacons are wired to the same power supply always use the flexible interconnecting wires prov
14. vide 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 9 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 Wire Terminal Internal Earth Terminal 2 off M20 T Cable Entries Figure 3 When using the internal earth terminal ensure that the stainless steel M4 flat washer is between the incoming earth wire and the enclosure 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 10 Cable Glands The BExCBG05 05D unit has dual cable gland entries which have an M20 x 1 5 entry thread as standard or a PG13 5 thread as a special Only cable glands
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