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Summary of Contents for GDS 301
- Page 1 C923 Manual No. 008DIC Issue C TECHNOLOGIES LTD GDS301 SINGLE POINT SAMPLE UNIT OPERATING HANDBOOK www.gds-technologies.co.uk Tel. +44 (0)113 286 0166 Fax. +44 (0)113 287 8178 Email. sales@gds-technologies.co.uk...
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Page 2: Table Of Contents
Contents System overview......................3 Installation, Set Up ......................4 Operation, Testing, Operational Notes ................5 Terminal Details ......................6 Technical Data ......................7-8 Service/Routine Attention ....................9 Project modifications....................10 This document is non contractual and the equipment specification and detail may be modified at any time without prior notice. -
Page 3: System Overview
System Overview The GDS 301 system is designed to monitor gas levels and provide alarms for the presence of gas in a wide range of environments. The system consists of a sampling unit with the sample tube run out to the target area. -
Page 4: Installation, Set Up
Installation The unit should be mounted in a position which is accessible and in the field of vision. Mains should be from a fused supply (2A) and connected to the mains input terminals of the power supply unit, see page 6. The vent port should be piped to atmosphere without reduction, this will prevent possible back pressure affecting the sensor reading. -
Page 5: Operation, Testing, Operational Notes
Operation On power up the green power indicator will flash for 60 seconds indicating that the sensors are stabilising, during this period all alarms are held in the off position. After the stabilisation period any gas detected by the sensor will be indicated on the digital display with any alarm level being exceeded resulting in the sounder and appropriate red LED and relay activating. -
Page 6: Terminal Details
GDS 100 Control Unit – PCB Detail Field Terminals Used Power Board Live or + DC Neutral or - DC Earth Low Alarm Optional Field Terminals 6 7 8 9 10 11 12 High Alarm Voltage Input Alarm Relays Fault... -
Page 7: Technical Data
Technical Ref C914 CE Cert. No. Sensor Points Sensor Type Catalytic, Electrochemical, Infra-red, Semiconductor Measurements Combustible gas – L.E.L. % vol. Toxic gas PPM, % vol. Oxygen - % vol. – depletion/enrichment Refrigerant – ppm Power Supply Input - 230/115v AC – 50/60 Hz - 24v DC – Special 50v DC Consumption 70W full alarm Field Terminals... - Page 8 Finish Epoxy coated steel Ingress Protection IP 52 Standard IP65 option Pump Sample pump – 24v DC brushless diaphragm Sample Line Material – Nylon, PTFE, Stainless Steel, Copper Size – 6 mm OD, 4 mm ID – push fit coupling Maximum length –...
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Page 9: Service/Routine Attention
Service routine attention The owner or occupier of the site should place the supervision of the system in the charge of a responsible executive, whose duty it should be to ensure the day to day operation of the system and to lay down the procedure for dealing with a gas alarm or fault warning. The operating instructions should be kept available preferably with the control unit, all faults, service test and routine attention given should be recorded. -
Page 10: Project Modifications
Project Modifications... - Page 12 GDS Technologies Ltd Fusion Point, Ash Lane Garforth, Leeds LS25 2GA Tel +44 (0)113 286 0166 Fax +44 (0)113 287 8178 sales@gds-technologies.co.uk ISO 9001 www.gds-technologies.co.uk TECHNOLOGIES LTD...