Kidde Smoke Alarm I12040 User Manual

120V AC/DC Wire-in Smoke Alarm  
Battery Backup  
Part Number 21006378  
Model i12040  
– Ionization Sensing Technology  
– One button design (operates Smart Hush™ and test)  
– Large mounting base  
– 9V Battery Backup (included)  
– Tamper resist feature  
– Alarm memory  
– Pre-stripped wiring harness with tinned strands  
Description  
Install Confidence  
The Kidde i12040 is an AC/DC powered, ionization  
smoke alarm that operates on a 120V power source  
with 9V battery backup.  
Easy Installation  
• Front battery pull tab allows battery activation without  
removing alarm from mounting bracket.  
• Large mounting base makes mounting easier, protects  
surface paint from dirt and covers imperfections.  
• Pre-stripped wiring harness with easy off cap does not  
require stripper tool. Tinned strands increase  
conductivity and wire nut grip.  
This alarm uses ionization sensing technology. Ionization  
sensing alarms may detect invisible fire particles  
(associated with flaming fires) sooner than photoelectric  
alarms. Photoelectric sensing alarms may detect visible  
particles (associated with smoldering fires) sooner than  
ionization alarms.  
Fewer Callbacks  
Kidde strongly recommends that both ionization  
and photoelectric smoke alarms be installed to help  
insure maximum detection of the various types of  
fire that can occur within the home.  
• One button design for easy operation and less  
confusion. Operates Smart Hush™ and alarm test  
• Battery run down protection will shut down alarm  
memory when AC power is not present, reducing  
low battery chirp.  
This smoke alarm is available in a 6-piece cut case with  
tray for easy display as well as a 6-piece bulk pack for  
contractors and property owners. This unit is a UL Listed  
product with a 10-year limited warranty.  
• Dust cover protects sensor from contaminates during  
construction reducing nuisance alarms  
User-Friendly Features  
• Tamper resist locking feature deters alarm theft  
• Alarm memory flashes red LED indicating which unit  
was the initiating alarm in interconnected system.  
• Interconnectable with up to 24 devices (of which 18  
can be initiating) including smoke, CO and heat alarms.  
See user’s guide for complete instructions.  
SIGNALING  
U
L
LISTED  
 

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