GE Industrial Solutions GPS 4848_100 Users Guide (single rectifier shelf) - Manual (Page 85)

Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
Issue 10 February 2008 Troubleshooting Preparations 12 - 7
Reference Figures, continued
Low Voltage
Battery Disconnect
The low voltage battery disconnect (LVBD) feature consists of a
contactor, circuitry on the BJN board, and associated wiring. Control of
the contactor is dictated by the BJN contactor control board and the
controller.
Figure 12-5: Low Voltage Battery Disconnect Contactor
Control Switches
Red Light
Yellow Light
Green Light
CONTACTOR DRIVE BOARD
SW
SW
SW
BOTH SWITCHES DOWN
FORCES CONTACTOR OPEN
CONTACTOR OPEN
CONTACTOR OPEN INITIATED
DOWN FORCES
CONTACTOR CLOSED
REMOTE CONTROL ENABLED
Note: All switches should be in the
up position for normal operation.