Connect Battery Backup - Sentex EM3000 Installation Instructions Manual

22
Step 5: Power and Test the EM3000 System

Connect Battery Backup

1. Connect the 12VDC battery to the Power Supply board:
Connect the red wire (+) to the positive terminal (+) of the battery (see Figure 21).
Connect the black wire (-) to the negative terminal (-) of the battery.
2. If the power supply's status LED glows red, only the battery is supplying power to the system
(110VAC is not present).
3. Place the battery inside the cabinet in the lower-right corner (as seen in Figure 22).
Red
(+)
Battery
1536F27
Figure 21: Battery Backup Connections
Doc 6001536, Rev C
Red wire to positive (+)
Black wire to negative (-)
Power
Supply
Board
Status
LED
Black
(-)
(+)
(-)
Figure 22: Battery Placement in EMC Cabinet
Power
Supply
Status
LED