User manual

60 Maintenance
UM6C28C P0728920 Standard 11.00 April 2001 Emerson Energy Systems
Adding a power shelf
Refer to the applicable rectifier user manual listed in Appendix D for the
installation and the AC cabling procedures for your specific model of
rectifier shelf.
Connect the new shelf to the NT6C28C control and distribution panel as
described in the following procedure.
Procedure 6 – Connecting a rectifier shelf
Step Action
1 Connect the alarm cable of the rectifier shelf to connector J1, J2 and
J3, or J4, J5 and J6, as applicable, on the controller card, or JE1, JE2
and JE3, or JE4, JE5 and JE6, as applicable, on the RPM1000C,
inside the control and distribution panel.
2 Connect an appropriately sized cable to each of the –48 V and BR+
output terminals of the shelf.
3 Connect these cables to the charge + and charge – busbars inside
the control and distribution panel as shown in Figure 21.
–end–
Figure 21 – Rectifier shelf connections inside the control and distribution panel
Partial view inside the
MFA150 control and
distribution panel
LVD contactor
(if provided)
CHG/DISCH
GRD busbar
DISCH BAT busbar
CHG BAT busbar
Preferred locations for
the rectifier shelf cables
(see note)
Shunt
Note: Use minimum No. 4 AWG cables for 75 A rectifier
shelf intrabay cabling, and minimum No. 1/0 AWG
cables for 150 A rectifier shelf intrabay cabling.
Adding or replacing a battery string
For additions, go to step 4 of Procedure 7. For replacements, proceed from
step 1 of Procedure 7.