Figure 1 Internal Components Of The Unit - Federal Signal EM3 Manual De Instalación Y Mantenimiento

See Figure 1. The tone module can then be installed in any of the
connectors located in the extension module.
4. Using the supplied nipple, connect the extension module
assembly to the main SelecTone assembly.
5.
See Figure 2 on page 9. Feed the blue, yellow, and white
18 AWG wires from the extension module assembly though the
nipple to the main SelecTone assembly. Connect the wires to the
corresponding wires on the connector board using the supplied
wire nuts.
6.
Feed the black and red 18 AWG wires to the main SelecTone
assembly. Using the instructions included with the speaker,
connect the wires to the power source leads in the main
SelecTone housing. Use nuts over the connections.
7. Place the rear of the housings against the mounting surface. Use the
four mounting holes (two on each unit) at the rear of the housings as
a template, and scribe positioning marks on the mounting surface.
Installation and Maintenance Instructions

Figure 1 Internal components of the unit

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2
3
EM3 Extension Module
SELECTONE ASSEMBLY
CONNECTOR BOARD
EXTENSION MODULE
TONE MODULES
TERMINAL STRIP
290A7793
7