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• With 18 alarms interconnected, it is still possible to interconnect up to
a total of six remote signaling devices and/or relay modules.
• The maximum wire run distance between the first and last unit in an
interconnected system is 1000’ (305 m).
• Make certain alarms are wired to a continuous, (non-switched) power
line. NOTE: Use standard UL Listed household wire (as required by
local codes) available at all electrical supply stores and most hardware
stores.
Wiring
The diagram above illustrates interconnection wiring. Improper connec-
tion will r
esult in damage to the alarm, failure to operate, or a shock
hazard.
CAUTION: Turn off the main power to the circuit before wiring
the alarm.
Wir
es on the AC Quick-Connector Alarm Harness:
Black Connected to live (L) side of AC line
White Connected to neutral (N) side of AC line
Red
Connected to interconnect lines (red wires) of other units
in a multiple-station set-up
4. Installation Instructions
Interconnecting
CAUTION: Kidde (Fyrnetics/Lifesaver/Kidde/Nighthawk/Pyrene)
alarms and accessories can only be inter
connected with other
Kidde alarms and accessories. Connection of these devices to
another manufactures interconnect system, or connection with
equipment from another manufacturer into an existing Kidde
interconnect system could result in nuisance alarming, failure to
alarm, or damage to one or all of the devices in the interconnect
system.
• When compatible Kidde smoke alarms and heat alarms ar
e
interconnected to your CO alarm, they will only respond to a smoke
or heat related event.
• When mixing Kidde alarms which have battery back-up with models
without battery back-up, be advised that the models without battery
back-up will not function during an AC power failure.
• For alarms that are being used as single station alarms, do not
connect the red wire to anything. Leave the red wire insulating cap in
place to make certain that the red wire cannot contact any metal
parts or the electrical box.
• The appropriate power source is 120 Volt AC Single-Phase supplied
from a non-switchable circuit, which is not protected by a ground
fault interrupter.
• All interconnectable alarms should be installed on a UL Listed or
recognized junction box. All connections should be made by a
qualified electrician and must conform to article 760 of the U.S.
National Electrical Code, NFPA 72 and/or any other codes having
jurisdiction in your area.
• When alarms are interconnected, all interconnected units must be
powered from a single circuit.
• A maximum of 24 Kidde 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.).
4. Installation Instructions
F
USE OR CIRCUIT BREAKER
RED
BLACK
WHITE
CONNECTOR
First CO Alarm Additional
CO Alarm
Optional
Accessory
(See list of compatible
Kidde devices)
Interconnect Wiring Diagram
• Do not obstruct the vents located on the alarm. Do not place the
alarm where drapes, furniture or other objects block the flow of air to
the vents.
3. Installation Locations