© Edwards Limited 2009. All rights reserved.
Page 9
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INTRODUCTION
A533-23-880 Issue C
Figure 3 - Schematic diagram of the iF1800 electrical systems
1. Electrics box
2. Gas module
3. Control module
3A.Control SMA
4. Pump display terminal
5. External electrical supply
6. Electrical supply connector
7. Protective earth (ground) stud
8. GRC relay
9. Tool interface module connector
10. Pump display module
11. iF tool interface module fuse
holder
12. Emergency stop fuse holder
13. FDP electrical supply
14. FDP motor terminal-box
15. FDP motor thermistor cable
16. HMB electrical supply *
17. HMB motor terminal-box *
18. HMB motor thermistor cable *
19. RF earth (ground) stud
20. Solenoid valve power supply *
21. Not used
22. Not used
23. Pump shutdown thermistor
24. Not used
25. Emergency stop switch
26. RJ12 connector for PDT
27. Cooling-water solenoid valve *
28. HMB temperature sensor *
29. FDP pump-body temperature
sensor
30. Exhaust temperature sensor
31. FDP pump-body temperature
sensor
32. Control PL3 connector
33. Gas module PL4 connector
34. Water flow-switch
35. RS485
36. Dashboard PL1 connector
37. Sensors PL2 connector
38. Not used
39. Solenoid-valves (6 off)
40. Pressure transducers (2 off)
41. Mass flow transducer
42. Dashboard LEDs
43. Not used
44. 4-way XLR connector for PDM
45. Active gauge connector
46. Lower rear bulkhead panel
47. d.c. electrical supply fuse holder
48. Active gauge cable connector
49. Sensor connector
50. HMB inverter
51. Not used
52. FDP Motor snap switch cable
53. FDP oil level monitor
54. Water valve solenoid
55. FDP oil level monitor loom
