Instruction/ maintenance manual of the product ED810 Barnet Ensign Ross
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INSTRUCTION MAN UAL ED810 GAS DE TECTOR I N D E X P a g e N o . IMPOR TANT NOTE 2 ATEX REQUIR EMENTS 2 MARKING 3 GENERAL 3 INSTALLATI ON 4 SOLENOI D VALVE 5 SENSORS 6 OPERATI NG INSTRUCTIONS 7 CALIBR .
ED810 INSTRUCTION MANUAL 27-02-07 2 IMPORTANT 1. The equipment suppl ied must not be m odi fied in any way since modifications will invalidate intrinsic saf ety certification, MCA and Lloyds app roval. 2. Care should be taken du r ing s ervicing as h igh voltages may be present on the ou tput contacts.
ED810 INSTRUCTION MANUAL 27-02-07 3 MARKING All units have a rating label which carries the f ollowing important info rmation:- Model type: GAS DETECTOR TYPE E D810 Input voltage: 12Vdc/24Vdc (delete as appropriate) Vmax in; Um: 250V Code: [EEx ia] II C Certificate no.
ED810 INSTRUCTION MANUAL 27-02-07 4 INSTALLAT ION Note only EDL m anufac tured sensor s, which are suita bly certified can be c onnected to the ED810 and fitted in the Hazardous Area. The ED810 control unit and all uncert ified equipment should be located in the Safe Area o nly.
ED810 INSTRUCTION MANUAL 27-02-07 5 In addition to the zene r barrier fuses (which can not be replaced) each se nsor is indiv i dually fused on the base board PCB. I f a sensor fails to respond the nom i nal 5V b etween blue and brown terminals should be checked and th e 160mA quick blow (F ) changed if necessa ry.
ED810 INSTRUCTION MANUAL 27-02-07 6 SENSORS Type EDF 1B, 2B, 3B a nd 3Bfig are sem i conducto r elem ents housed in a certified flam epr oof stainless steel housing . The housing has a male M32 t hread which can be screwe d into a conduit or suitable junction box.
ED810 INSTRUCTION MANUAL 27-02-07 7 OPERATING INST RUCTIONS When power is first app lied the power light should illum i nate imm edia tely. The A1 and A2 lights of semiconduc tor sensors will illum i nate with in a few seconds and w ill be ready to be reset after a few m inutes, provided the sen sors are in cl ean air.
ED810 INSTRUCTION MANUAL 27-02-07 8 EDS/C and EDS/P Tran smitters INITIAL S ETUP It is vitally im portant that the ED810 an d EDS/C or P transmitter are calibrat ed tog ether ensuring that the ED810 indicates an alarm at the cor rect concentration.
ED810 INSTRUCTION MANUAL 27-02-07 9 EDS/P 1. At EDS/P transmitter measure between – I /P and + I/P, ensure voltage reading is i n the range 4.0 – 5.4V with a Dig ital volt meter. 2. Using the Zero adjustment potentiom eter on the EDS/P, rotate cl ockwise until the 50% lamp is just illum inated or 0.
ED810 INSTRUCTION MANUAL 27-02-07 10 Please note the - ED810 EC- TYPE EXAMINATI O N CE RTIFICATE And the ZB EC-TYPE EXAMIN ATION CERTIFICA TE Graphics have been rem oved t o reduc e the size of the d ocument for download pu rposes. The full manual and certificates can be ob tained by contacting Ele ctronic Devices ltd.
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