Firex i4618AC Series User Manual page 7

• A maximum of 24 Kidde and/or FireX 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,
heat, carbon monoxide, etc.). With 18 alarms interconnected, it is still
possible to interconnect up to a total of 6 remote signaling devices and/or
relay modules.
• When mixing models which have battery backup (1275, 1276, 1285, i12040,
i12040A, i12060, i12060A, i12080, i12080A, i4618, i4618A, i4618AC,
i4718A, i4718AC, i5000A, i5000AC, PE120, P12040, Pi2000, Pi2010,
KN-COPE-I, KN-SM-FM-I, KN-COSM-IB, KN-COSM-IBA, HD135F, KN-COB-IC,
KN-COP-IC, i12010S, i12010SCO, RF-SM-ACDC) with models without battery
backup, (1235, i12020, i12020A, KN-COSM-I, SM120X, CO120X, SL177i,
SLED177i) be advised that the models without battery backup will not respond
during an AC power failure.
• For more information about compatible interconnect units and their
functionality 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
interconnected system is 1000 feet.
• NOTE: This alarm is not compatible with Kidde CO-relays and Strobes manu-
factured before Nov. 1, 2011.
• Figure 5 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 5 INTERCONNECT WIRING DIAGRAM
FUSE OR CIRCUIT BREAKER
BLACK RED
WHITE
CONNECTOR
First
Alarm
WIRES ON ALARM HARNESS
Black
White
Red
Additional
Alarm
CONNECTED TO
Hot Side of A.C. Line
Neutral Side of A.C. Line
Interconnect Lines (Red Wires) of Other
Units in the Multiple Station Set up
Kidde
Relay Module
SM120X
Optional Accessory
BLACK
RED
WHITE
CONNECTOR
Additional
Alarm