Federal Signal EM-3 Instructions D'installation page 10

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2
P3
P2
P1
CONNECTOR BOARD
TO POWER SOURCE
(REFER TO INSTALLATION
INSTRUCTIONS)
TO POWER
*
SOURCE(DC MODELS -
NOTE POLARITY)
TO POWER SOURCE
(125 AND 250 VDC UNITS)
DASHED LINES INDICATE CONNECTIONS FOR 125 AND 250 VDC UNITS.
*
DPDT SWITCHES AND BALLAST RESISTOR ARE USED ON 125 AND 250 VDC UNITS.
EXTENSION MODULE WIRING DIAGRAM
BLUE
YELLOW
WHITE
BLACK 18 GA.
RED 18 GA.
1
2
3
BLK
RED
+
-
BALLAST
RESISTOR
-8-
(MOUNTED ON CONNECTOR BOARD)
22K,
1/4W
TONE CONNECTOR 1
PIN 1
TONE CONNECTOR 2
PIN 1
TONE CONNECTOR 3
PIN 1
4
5
6
TONE 1 SW.
TONE 2 SW.
PIN 6
PIN 6
PIN 6
EXTENSION
MODULE ASSY
TONE 3 SW.
290A3471C

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