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•
A maximum of 24 Kidde Safety devices may be interconnected in a multiple station arrangement. The
interconnect system should not exceed the NFPA interconnect limit of 12 smoke alarms and/or 18 alarms
total (smoke, CO, Smoke/ CO Combination, heat, etc.). With 18 alarms interconnected, it is still possible to
interconnect up to a total of 6 remote signaling devices and / or relay modules.
FUSE OR CIRCUIT BREAKER
BLACK
WHITE
First
Alarm
Wires on alarm harness: Connected to:
•
The maximum wire run distance between the first and last unit in an
interconnected system is 305 m (1000 ft).
•
Figure 10-A 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.
Use standard CSA-Listed household wire (as required
note:
by local codes) available at all electrical supply stores and most
hardware stores.
18
RED
BLACK
WHITE
Additional
Alarm
Black: Hot side of AC line
White: Neutral side of AC line
Red: Interconnect lines (red wires) of other
units in the multiple station set-up
Figure 10-A, Interconnect Wiring Diagram
RED
Kidde Relay Module
SM120X, CO120X
or both
Optional
Accessory
AC connector
shipped with
product
BLACK
WHITE
Additional
Alarm
AC connector
Figure 10-B
RED
Existing Kidde
AC Connector
(either connector
can be used for
this model)
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