User's Manual

Maintenance
6. Maintenance
6.1 Scope of Maintenance
Maintenance of the siren is limited to replacement of major
subassemblies, such as PCBs and battery. It is necessary to remove
the siren from its installed location when performing maintenance.
Make sure to disarm the unit prior to removal.
6.2 Wiring and Connections
The PCBs are interfaced by wiring and connectors. For a
complete assembly, see Figure 9.
Black wire to
negative (-)
of battery
Red wire to
positive (+) of
battery
Speaker
connects to J5
Wires from Flash
board connect
to J2 on Main
board
Wires from Main
board connect
to JP2 on
Transceiver
board
Figure 9: Wire Connections
6.3 PCB Description
This paragraph describes connectors, switches, indicators, and
jumpers used in the siren unit, categorized by individual boards.
Page 20 SA-80A Installation Manual