User manual

8 Contents
UM6C28C P0728920 Standard 11.00 April 2001 Emerson Energy Systems
Overall power system specifications.................................................................... 34
Mechanical specifications of a complete NT6C28C(x) MFA150 .................... 34
Color ............................................................................................................... 34
Electrical ......................................................................................................... 34
Electromagnetic interference (EMI) compliance............................................. 34
Electrostatic discharge (ESD) immunity ......................................................... 34
Environmental................................................................................................. 34
Floor and point loading ................................................................................... 35
Operation ............................................................................................................ 37
General ................................................................................................................ 37
NT6C14G control and distribution panel.............................................................. 37
Front of the NT6C14GA/GM and NT6C14GP control and distribution
panels...................................................................................................... 37
Internal connecting features of the NT6C14GA/GM and NT6C14GP
control and distribution panels ................................................................ 41
Front of the NT6C14GC/GN control and distribution panels .......................... 42
Internal connecting features of the NT6C14GC/GD/GN and
NT6C14GG/GH/GQ control and distribution panels ............................... 46
Rectifiers .............................................................................................................. 47
RPM1000C ( optional )......................................................................................... 47
Helios TCM/48 temperature compensation module ( optional ) .......................... 47
NT6C18EA/EB battery disconnect panel ( optional ) ........................................... 48
NT6C18FA/FD supplementary battery return busbar ( optional ) ........................ 48
Maintenance ....................................................................................................... 49
Routine maintenance ........................................................................................... 49
Addition / replacement procedures ...................................................................... 52
Replacing the RPM1000C .............................................................................. 52
Replacing the NT6C14PF controller card ( NT6C14GA/GM and
NT6C14GP control and distribution panels only )................................... 52
Replacing the NT6C14PG meter display card ( NT6C14GA/GM and
NT6C14GP control and distribution panels only )................................... 55
Adding or replacing a rectifier ......................................................................... 57
Adding a rectifier............................................................................................. 57
Replacing a rectifier ........................................................................................ 59
Adding a power shelf ...................................................................................... 60
Adding or replacing a battery string ................................................................ 60
Adding or replacing a distribution circuit breaker............................................ 62
Replacement of the LVD contactor................................................................. 65
Appendix A : Associated schematics .............................................................. 69
Appendix B : Replacement parts...................................................................... 85
Appendix C : Technical service assistance .................................................... 89
Local toll-free prefixes.......................................................................................... 89
Toll-free technical assistance numbers ............................................................... 90