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A533-23-880 Issue C
Page 6
© Edwards Limited 2009. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
INTRODUCTION
Figure 2 - Scematic diagram of the FPD pump gas system
1. FDP pump
2. Exhaust-purge pipeline
3. 3/4-dilution purge pipeline
4. 2/3-cooling purge pipeline
5. Inlet-purge pipeline
6. Shaft-seals purge pipeline
7. Pressure transducer (exhaust-purge)
8. Pressure-relay (exhaust-purge)
9. Gas Module manifold
10. Variable restrictor (3/4-dilution purge)
11. Variable restrictor (2/3-cooling purge)
12. Variable restrictor (inlet-purge)
13. Variable restrictor (shaft-seals purge)
14. Variable restrictor (exhaust-purge)
15. Solenoid-valve (3/4-dilution purge)
16. Solenoid-valve (2/3-cooling purge)
17. Solenoid-valve (shaft-seals purge)
18. Variable restrictor (dilution purge control)
19. Solenoid-valve (dilution purge control)
20. Solenoid-valve (inlet-purge)
21. Pressure transducer (shaft-seals purge)
22. Solenoid-valve (exhaust-purge)
23. Mass flow transducer
24. Pressure regulator
25. Check-valve
26. Nitrogen supply inlet