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Summary of Contents for Crowcon Xgard ESU C01987
- Page 1 Xgard ESU Environmental Sampling Unit Installation, Operation and Maintenance Instructions M07645 Issue 5 January 2015...
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Page 2: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ..........................2 INSTALLATION ........................... 2 COMISSIONING CHECKS........................4 MAINTENANCE........................... 4 SPARE PARTS............................ 5 SPECIFICATIONS ..........................6 APPENDIX A – ESU GENERAL ARRANGEMENT ................7 APPENDIX B – INSTALLATION OPTIONS ..................8 APPENDIX C – VORTEX CONFIGURATION INSTRUCTIONS ............9 WARRANTY ...........................11 ESU Installation, Operating and Maintenance Instructions... -
Page 3: Introduction
The ESU fan and gas detector must be connected to a Crowcon Gasmaster or Vortex control panel, which will monitor the fan to ensure a sample is being drawn and display the gas level and activate alarms. - Page 4 If the gas to be monitored is potentially explosive, for example heavy hydrocarbon gases which can accumulate in drains, the version certified for use in a hazardous area must be used. It is important to note the conditions for connecting and use of the ESU to ensure compliance with the hazardous area certification.
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Page 5: Comissioning Checks
3. If the fuse is OK and the fan is not blocked it is likely that the fan has failed. Replace the fan only with the correct part supplied by Crowcon. Alternative fans must not be used. When replacing fans on certified ESU’s, it is essential that the fan cable gland is screwed securely into the fan junction box, and retained using Loctite 222 thread locking compound. -
Page 6: Spare Parts
5. SPARE PARTS E01736 Uncertified fan assembly (safe area units only) S011856 ‘Exm’ certified fan assembly (hazardous area units) S011857/2 Fan controller PCB E01307 Fuse 250mA HRC 20mm for fan M04873 Xgard sensor retainer adaptor M04874 Xgard retainer washer M04876 Interface gasket M04092 ESU cover screw... -
Page 7: Specifications
6. SPECIFICATIONS Important Notice: ESU is designed for rapid detection of significant releases of dense toxic gases such as chlorine, or a build-up of flammable vapours. The operating principle of the ESU results in a diluted gas sample being introduced to the gas detector(s), and therefore the gas level indicated by the sensor will be lower than the actual gas levels present at the release source. -
Page 8: Appendix A - Esu General Arrangement
7. APPENDIX A – ESU GENERAL ARRANGEMENT AIR FLOW ESU Installation, Operating and Maintenance Instructions... -
Page 9: Appendix B - Installation Options
8. APPENDIX B – INSTALLATION OPTIONS For monitoring along a horizontal surface: For monitoring a wet-well: ESU Installation, Operating and Maintenance Instructions... -
Page 10: Appendix C - Vortex Configuration Instructions
9. APPENDIX C – VORTEX CONFIGURATION INSTRUCTIONS Once the ESU fan has been connected to the relevant Vortex input channel as described in Section 2, the Vortex control panel must be configured to provide the fan monitoring function. The following instructions describe configuration using the Vortex PC software supplied with the Vortex panel. - Page 11 c) Fault relay logic configuration With the fan running normally the channel display should read 20-30. To test that the Vortex relay outputs operate correctly open the ESU and carefully slow the fan by resting a finger on the inner- hub, the Vortex display should rise above 40 at which point the Level 1 Fan Slow relay should activate.
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Page 12: Warranty
Any service by 3rd parties not authorized & certified by Crowcon will invalidate the warranty on the equipment. Use of alternative manufacturer’s sensors which have not been approved by Crowcon will invalidate the warranty of the product as a whole. The warranty does not cover misuse or abuse of the unit. - Page 13 Website: www.crowcon.com Tel: +86 10 6787 0335 Website: www.crowcon.com Website: www.crowcon.com Fax: +86 10 6787 4879 Email: saleschina@crowcon.cn Website: www.crowcon.com Crowcon reserves the right to change the design or specification of this product without notice. ESU Installation, Operating and Maintenance Instructions...
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