Figure 8: AC power wiring
4.1.2 Connecting the backup batteries
Ensure the batteries are the sealed lead acid type. Use the supplied battery harness to connect up to two 12 VDC, 7 Ah batteries inside
the FACU cabinet. For more information, see Connecting the battery harness. The system requires a 24 V battery backup. Use the battery
harness to connect two 12 V batteries in series to the FACU.
page 16 579-1402 Rev B
2004 Foundation Series Fire Alarm Control Unit Installation Guide