Contents 9

RFA fault

47

SEN FAIL fault

48

Erratic load fault

48

Current or voltage float fault

48

Appendix A: Replacement parts

49

Appendix B: Technical service assistance

51

Local toll-free prefixes

51

Toll-free technical assistance numbers

52

List of terms and acronyms

53

List of Figures

 

Figure 1 - MPS75 Modular Power Shelf-NT5C10C with 8-pin signal cables

13

Figure 2 - MPS75 Modular Power shelf- NT5C10C with 26-pin signal connectors

14

Figure 3 - NT5C06D Switch Mode Rectifier

14

Figure 4 - Power shelf common AC connection

21

Figure 5 - Power shelf individual AC connection

22

Figure 6 - Connecting the DC power shelf

23

Figure 7 - No controller, remote sensing connection for 8-pin signal cable shelves

26

Figure 8 - No controller, remote sensing connection for a 26-pin signal connector

 

shelf

27

Figure 9 - NT5C06D - front view

34

Figure 10 - Power interface connections

39

Figure 11 - Control signal connections

40

Figure 12 - NT5C06D rear view

44

List of Tables

 

Table 1 - Electrical specifications

15

Table 2 - AC cable wire size

21

Table 3 - AC Fuses

21

Table 4 - DC cable wire size

23

Table 5 - Rectifier and Controller interface connections (8-pin connectors)

24

Table 6 - Rectifier and Controller interface connections (26-pin connector)

24

Table 7 - Rectifier settings

28

Table 8 - Indicators

35

Table 9 - System fault diagnosis

47

List of Procedures

 

Procedure 1 - Installing the power shelf

20

Procedure 2 - Verification

28

Procedure 3 - Rectifier installation procedure

28

Procedure 4 - Starting up the rectifier

29

Procedure 5 - Adjusting the load share

32

Procedure 6 - Adjusting the float / equalize

41

Procedure 7 - Replacing the fan

43

Helios Rectifier 25/48 Installation and User Manual

Page 9
Image 9
Emerson NT5C06D user manual List of Figures, Shelf, List of Tables, List of Procedures