• For more information about compatible interconnect units and their function-
ality in an interconnect system, visit our web site at: www.Kidde.com
• The maximum wire run distance between the first and last unit in an intercon-
nected system is 1000 feet.
• Figure 4 illustrates interconnection wiring. Improper connection will result in
damage to the alarm, failure to operate, or a shock hazard.
• Make certain alarms are wired to a continuous (non-switched) power line.
NOTE: Use standard UL listed household wire (as required by local codes) avail-
able at all electrical supply stores and most hardware stores.
FIGURE 4 INTERCONNECT WIRING DIAGRAM
WIRES ON ALARM HARNESS CONNECTED TO
Black Hot Side of A.C. Line
White Neutral Side of A.C. Line
Red Interconnect Lines (Red Wires) of Other
Units in the Multiple Station Set up
BATTERY INSTALLATIONSee MAINTENANCE (Section 6) for battery installation.
CAUTION! THIS UNIT WILL NOT FUNCTION WITHOUT A PROPERLY
INSTALLED BATTERY, AND IS EQUIPPED WITH A BATTERY LOCKOUT FEA-
TURE WHICH PREVENTS THE BATTERY CARRIER FROM CLOSING IF A BAT-
TERY IS NOT INSTALLED CORRECTLY.
MOUNTING INSTRUCTIONSCAUTION: THIS UNIT IS SEALED. THE COVER IS NOT
REMOVABLE!
CAUTION: WHEN WALL MOUNTING: UNIT MUST BE
MOUNTED SO THAT THE BATTERY BOX FACES
DOWN! (SEE FIGURE 5). INCORRECT ORIENTATION
FUSE OR CIRCUIT BREAKER
RED
BLACK
WHITE
CONNECTOR
RED
BLACK
WHITE
CONNECTOR
First
Alarm
Additional
Alarm Optional
Accessory
Additional
Alarm
Kidde
Relay Module
SM120X
FIGURE 5