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2. A. maximum of 24 Kidde Safety devices may be interconnected in a multiple station arrangement.
The interconnect system should not exceed the NFPA interconnect limits of 12 smoke alarms and /
or 18 alarms total (smoke, heat, Carbon monoxide, etc). With 18 interconnected alarms it is still
possible to interconnect up to a total of 6 remote signaling devices and / or relay modules.
NOTE: WHEN MIXING MODELS WHICH HAVE BATTERY BACKUP (1275, 1285, PE120, PI2000, KN-
COSM-IB , KN-COB-IC, KN-COP-IC and HD135F) WITH MODELS WITHOUT BATTERY BACKUP
(1235, SM120X AND SL177I), BE ADVISED THAT THE MODELS WITHOUT BATTERY BACKUP WILL
NOT FUNCTION DURING AN A.C. POWER FAILURE.
4; The maximum wire run distance between the first and last device in an interconnect system is 1000
ft.
5; Figure 1 illustrates interconnection wiring. Improper connection will result in; damage to the strobe
light or alarms, failure to operate, or a shock hazard.
6; Make certain that all devices in the interconnect system are wired to a continuous (non-switched,
non-GFI or GCFI protected) power line.
FIGURE 1"INTERCONNECT WIRING DIAGRAM FOR SL177I.
WIRE ON STROBE LIGHT HARNESS------CONNECTED TO
BLACK ----- HOT SIDE OF AC LINE
WHITE -------NEUTRAL AC LINE
RED ----------INTERCONNECT LINES (RED WIRES) OF THE OTHER
UNITS IN THE MULTIPLE STATION SET UP.
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