Instruction manual

16 FireForce 8 Installation & Operation Manual P/N 52257:B 09/27/2006
Function of Switches, LEDs and Jumpers Function of LED Indicators
3.2 Function of LED Indicators
3.3 Jumper Functions
3.3.1 Jumper J1
When the jumper on J1 is in place, the internal Battery Charger is enabled. To disable the charger
and allow an external charger to maintain the batteries, remove this jumper.
3.3.2 Jumper J2
When the jumper on J2 is in place, the FF 8 performs its own ground fault tests. When the power
supply common is connected to the power supply common of another device, such as when a
common battery is used for a FACP and the FF8, remove this jumper.
3.4 Optional Class A Adapter
The optional Class A Adapter allows the connection of four class A NAC circuits to the FireForce
8. This is a passive device that uses no power from the FF8. Install the adapter as described in
Drawing A-M1192, and attach the field wiring according to Drawing B-W479-4 in Appendix C.1.
INDICATOR LED# Color Description
PWR ON LED # 8 Green Indicates AC line operation.
AUX TRBL LED # 7 Yellow Indicates a short or overload on the Aux.
Output.
BATT TRBL LED # 6 Yellow Indicates a low battery voltage or missing
battery.
GF TRBL LED # 5 Yellow Indicates an external wiring connection is not
adequately isolated from the earth ground.
NAC #4 LED # 4 Yellow Indicates a short or open circuit in the external
wiring.
NAC #3 LED # 3 Yellow Indicates a short or open circuit in the external
wiring.
NAC #2 LED # 2 Yellow Indicates a short or open circuit in the external
wiring.
NAC #1 LED # 1 Yellow Indicates a short or open circuit in the external
wiring.