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Installation & Maintenance Instructions
BEXS110D-BEXS120D
Page 1: ...Supplied by Call us on 44 0 118 916 9420 Email info 247able com com Installation Maintenance Instructions BEXS110D BEXS120D ...
Page 2: ...ley Reading Berkshire RG6 4UT UK Tel 44 0 118 9311188 Email info able co uk Aberdeen Office Unit 6 Airside Business Park Kirkhill Industrial Estate Dyce Aberdeen AB21 0GT UK Tel 44 0 1224 725999 Email ab able co uk Internet www able co uk e procurement www 247able com Registered in England No 01851002 VAT No GB 417 2481 61 ...
Page 3: ...of Enclosure d 4 Installation Requirements The sounders must be installed in accordance with the latest issues of the relevant parts of the BS EN 60079 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 BS EN 60079 14 19...
Page 4: ...hat a suitable power supply is used to run the sounders The power supply selected must have the necessary capacity to provide the input current to all of the sounders connected to the system The following table shows the input current taken by the various sounder units Unit Type Input Input Max Voltage Current I P Volts BExS120D 24V DC 800mA 30V BExS120D 12V DC 850mA 15V BExS120D 48V DC 420mA 58V ...
Page 5: ... 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 cable connections are made into the terminal blocks on the electronic pcb assembly located in the flameproof enclosure See section 8 of this manual for access to the flameproof enclosure On the AC units a two way term...
Page 6: ... 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 TONE SELECTION TABLE Tone Selection DIP Switch Settings Stage Selection Stage 1 Frequency Description 1 2 3 4 5 Stage 2 ...
