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GDS GasVac 311, Operating Handbook

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Contents

System Overview .................................................................................................................. 3

Installation, Operation ......................................................................................................... 4

Access to the Menu .............................................................................................................. 5

Technical Specification ....................................................................................................... 6-7

Service/Routine Attention ...................................................................................................... 8

Summary of Contents for GasVac 311

Page 1: ...LTD FUSION POINT ASH LANE GARFORTH LEEDS LS25 2GA UK www gds technologies co uk This document is not contractual and the equipment specification may be modified at any time without prior notice C1732 Manual No 330DIC Issue A v1 GasVac 311 SINGLE LINE NETWORK GAS SAMPLE UNIT OPERATING HANDBOOK ...

Page 2: ...2 Contents System Overview 3 Installation Operation 4 Access to the Menu 5 Technical Specification 6 7 Service Routine Attention 8 ...

Page 3: ...continuously extracted via a unique micropore sample technique having a minimum of two and maximum of 30 intake modules along its sample line network The sampling unit provides a gas level reading with three alarm trip points and a range of signal outputs for annunciator or control functions The system is supplied factory programmed and pre calibrated to enable immediate operation by connection of...

Page 4: ...under and appropriate red alarm LED and relay activating Pressing the reset pad will result in the sounder being silenced Alarm indicators and relays may only be reset when the indicated gas level has reduced to below that of the alarm trip points A reduced power mode feature is activated one hour after any operator activity This state is indicated by a screen power reduction of approximately 50 P...

Page 5: ...entry and exit point of menu 6 L C D Brightness adjustment of display brightness 7 L E D Relay Test turns indicators and relays ON 8 Auto Zero use only when very low alarm levels are required 10 of scale 9 Sensor Address used when connecting to a GDS Combi system A 4 20mA output adjust Tox O2 only Pressing 1 or 3 will allow for output to be adjusted to 4mA and 20mA as measured on test pins 8 9 Cha...

Page 6: ...d unlatched option select before power up see fig 2 Relay flow fail S P C O flow fail alarm board All contacts rated 3A 230v AC All relay contacts used to switch inductive loads relays etc should have suppressors fitted typical device Farnell 772 756 Output 24v DC 100mA Available for auxiliary equipment 4 20mA analogue output CANbus see Combi alarm systems Logging variable time rollover stop Stora...

Page 7: ...m L 32mm D Connections push fit 6mm SAMPLE LINE Material Nylon Stainless Steel Copper Size 6 mm OD 4 mm ID push fit coupling SAMPLE NETWORK LENGTH 100m total SAMPLE VENT PIPE 6 8 mm push fit OPTIONS Catch pot Water auto drain Waterproof over housing IP66 Sample line flame arrestor Snorkel valve water trap Sensor Exhaust Particulate filter Sample in Power board Alarm Monitor PCB 24v DC 24v DC suppl...

Page 8: ... catch pot where fitted for high levels of particulate or water contamination replace filters as necessary Twice yearly maintenance schedule 1 Zero check to sensor 2 Sensor to be gas tested and calibrated 3 Test gas applied to all intake modules 4 Field indicators to be tested 5 Alarm trip points checked and re aligned 6 All faulty parts replaced where required 7 All filter elements checked and re...

Page 9: ... T 44 0 113 286 0166 GDS TECHNOLOGIES LTD FUSION POINT ASH LANE GARFORTH LEEDS LS25 2GA UK www gds technologies co uk This document is not contractual and the equipment specification may be modified at any time without prior notice ...

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