Simplex 2004 Series - Connecting the Battery Harness; Batteries in the External Battery Cabinet

4.1.3 Connecting the battery harness
The mating spade lug on the battery needs to be 0.250 in. x 0.032 in. (6.35 mm x 0.81 mm). If another size is needed, you need to replace
the battery terminal connectors on the supplied battery harness.
To connect the battery harness, complete the following steps:
1. Place both batteries securely inside the cabinet.
2. Ensure the battery wiring is supervised and non-power limited.
3. Connect the black wire to the negative terminal of battery one.
4. Connect the white wire from the positive battery terminal of battery one to the negative battery terminal of battery two.
5. Apply AC power.
6. Connect the red wire to the positive terminal of battery two.
Figure 9: Connecting the battery harness
4.1.4 Batteries in the external battery cabinet
To minimize power losses due to wiring from the external battery box to the FACU, ensure you adhere to the following guidelines:
1. Cut or remove the lugs from the long harness provided with the external battery enclosure.
2. Remove the Molex connector from the end of the small harness provided with the FACU.
3. Connect the Molex connector end of the small harness to the long harness.
4. Use the modified long harness to connect the battery connector on the panel (P1) to the batteries mounted in the external
cabinet.
5. Mount the battery box less than 20 ft or 609.6 cm from the control unit in accordance with the mounting instructions label in the
box.
Note: All interconnecting wiring needs to be enclosed in conduit.
page 17 579-1402 Rev B
2004 Foundation Series Fire Alarm Control Unit Installation Guide