GE Industrial Solutions H5692448 Power Systems Infinity M1 (NE-M) - Manual (Page 32)

NE-M Installation Guide H5692448
CC848815325 r06 May 2013 32
Direct to Battery Bus Connection
Step Action
Direct battery bus connections are not factory installed.
1
Run cables from the battery buses to the tray
mounted battery strings.
Insulate the battery end of the cable.
2
Make battery cable connections to the system
battery bus per the procedure in the External
Battery Connection section.
3 Connect Battery Cable (hot side)
48V Battery Strings
Connect the 2/0 cable between the V- post of the
left-most battery and the input bus of the
disconnect switch.
Torque to battery manufacturer’s specification.
Figure 45 Battery Cable Direct -48V
24V Battery Strings
Connect the 2/0 cable between the V- post of the
right-most battery of the left string and the input
bus of the left disconnect switch.
Connect the 2/0 cable between the V- post of the
right-most battery of the right string and the
input bus of the right disconnect switch.
Torque to battery manufacturer’s specification.
Figure 46 Battery Cable Direct +24V
4 Connect Battery Return Cable (ground side)
48V Battery Strings
Connect the factory-wired battery return cable to
the V+ post of the right-most battery.
Torque to battery manufacturer’s specification.
Figure 47 Battery Return Cable Direct -48V