Page 1: Table Of Contents
INSTRUCTION MANUAL ED810 GAS DETECTOR I N D E X Page No. IMPORTANT NOTE ATEX REQUIREMENTS MARKING GENERAL INSTALLATION SOLENOID VALVE SENSORS OPERATING INSTRUCTIONS CALIBRATION - SEMICONDUCTOR CALIBRATION – HEAD ELECTRONICS DECLARATION OF CONFORMITY ED810 EC-TYPE EXAMINATION CERTIFICATE ZB EC-TYPE EXAMINATION CERTIFICATE ELEC TR O N IC D EV IC ES LIM ITED EN IG M A H O U S E, E N IG M A B U S IN ES S PA R K , M A LVE R N , W O R C ES TE R S H IR E W R 1 4 1 G D EN GL A N D .
Page 2: Important Note
The product must be protected from excessive dust by an enclosure etc. The product can not be repaired by the user and must be replaced by an equivalent certified product. Repairs should only be carried out by the manufacturer or approved service centre. ED810 INSTRUCTION MANUAL 24-06-11...
Page 3: Marking
Attention is also drawn to the need for calibration soon after installation. When supplied alarm levels are approximately set for the target gas (if stated with order) so that a measure of immediate protection is obtained once correct operation has been ensured. ED810 INSTRUCTION MANUAL 24-06-11...
Page 4: Installation
Sensor cables must not cross or lie over each other or safe area cables see fig1 below. BB PCB TERMINAL BLOCK RUBBER GROMMETS OR CABLE GLAND KEEPING CABLES SEPARATED SAFE AREA CABLES HAZARDOUS AREA CABLES FIG 1 ED810 INSTRUCTION MANUAL 24-06-11...
Page 5 A1 RELAY A2 RELAY FAULT RELAY NON MUTING RELAY RELAY TO DRIVE SHUT DOWN FUNCTIONS, FANS, ETC. SOUNDER/BEACON ENSURE EXTERNAL LOAD IS LESS THAN 1A DC Relay contact rating: 2A at 240VAC Non Inductive FIG 3 ED810 INSTRUCTION MANUAL 24-06-11...
Page 6: Solenoid Valve
The sensors are sealed into their stainless steel enclosures and no attempt should be made to open them on site, if necessary they should be returned to EDL for repair/servicing. ED810 INSTRUCTION MANUAL 24-06-11...
Page 7: Operating Instructions
3. Immerse the sensor in the correct concentration for the A2 alarm, if using a continuous flow do not use a flow rate of above 0.3L/min. ED810 INSTRUCTION MANUAL 24-06-11...
Page 8: Calibration - Head Electronics
ED810 control unit and adjust the A2 (located under the A2 light, accessed through the front panel) potentiometer until the A2 light just illuminates. Rotating clockwise increases sensitivity until the A2 light just illuminates, if the light comes on prematurely wind anticlockwise whilst ED810 INSTRUCTION MANUAL 24-06-11...
Page 9 10,000ppm output: (0.4 x 1) + 0.1 = 0.5V The output range stated is correct when the EDSC / EDSP is connected to the ED810, if tested separately the output range will be 0.2 to 1.0VDC. ED810 INSTRUCTION MANUAL 24-06-11...
Page 10: Declaration Of Conformity
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Page 13: Ed810 Ec-Type Examination Certificate
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Page 18: Zb Ec-Type Examination Certificate
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