
The yellow wire is used only for interconnect (multiple station operations) USI Electric or
Universal model alarms. Connecting this yellow wire to any other circuits may result in
damage and alarm malfunction. All interconnect alarms must be powered from a single circuit.
If local codes do not specify, be sure the neutral wire is common to all alarms. The maximum
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1,000 feet. NOTE: Use standard household wire, 18 gauge or larger, rated at least 300V, as
required by local codes. This wire is commonly available at most electrical supply and
hardware stores. The resistance of the interconnect wiring shall be a maximum of 10 Ohms.
The alarm wiring shall be in accordance with the provisions of Articles 210 and 300.3(B) of
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power shall be supplied either from a dedicated branch circuit or the un-switched portion
of a branch circuit also used for power and lighting.”
2. Attach the mounting bracket to the electrical junction box.
3. To activate 9 volt battery and alarm, hold the QUICK DRAW
(R)
battery drawer closed, pull and
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4. Plug the AC QUICK CONNECTOR into the alarm base. Push and twist the alarm clockwise onto
the mounting bracket.
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6. Turn on AC power and check the LED’s for proper operation. The green LED should be on to
indicate AC power. The red LED blinks on once approx. every 40 seconds to indicate proper
operation.
Page 7
IMPORTANT!
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Alarm. Actual backup time depends on the strength (freshness) of the battery. The battery backup
will not work unless a good battery is properly installed.
When the alarm utilizes battery backup power, the natural gas sensor will operate the alarm and will
sample less frequently to extend battery life. Natural gas could be present during this period between
samples without the alarm sounding, especially if there is a rapid buildup of natural gas.
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procedures
.
120 VAC 60Hz
100mA Max.
OPERATION, TESTING & MAINTENANCE
OPERATION:
The alarm is operating once the AC power is connected and turned on.
READY/ACTIVE CONDITION:
The green LED is on and blinks off once approx. every 20 seconds
to indicate the alarm is properly functioning.
GREEN LED:
The green LED is off and blinks on approx. every 40 seconds whenever AC power
is turned off.
CO ALARM:
The alarm signal is 4 beeps, 5 second pause, repeat. The red LED blinks on in sync
with the cycle of 4 beeps.
GAS ALARM:
The alarm signal is 1 beep, 2 second pause, repeat. The blue LED blinks on in
sync with the horn beep.
NUISANCE ALARM:
If the horn signals and the red or blue LED’s blink on for no apparent reason
and no obvious hazard is present, please verify that the alarm is mounted in the correct location.
Reset the alarm as instructed in the Operational Summary.
CO ALARM LATCHING LED INDICATOR:
The alarm had previously detected CO and had alarmed.
The red LED is off and blinks on approx. every 5 seconds until reset. Follow the reset instructions
to remove the latching LED.
WHAT TO DO IF CARBON MONOXIDE IS DETECTED:
Actuation of your CO Alarm indicates the presence of carbon monoxide (CO), which can kill you.
In other words, when your CO Alarm sounds, you must not ignore it!
Some individuals are more sensitive to CO than others, including people with cardiac or respiratory
problems, infants, unborn babies, pregnant mothers or elderly people can be more quickly and
severely affected by CO. Members of sensitive populations should consult their doctors for advice
on taking additional precautions.
Page 8
If you hear the alarm horn sound 4 beeps, a 2 second pause (and then repeat),
carbon monoxide has been detected. Evacuate everyone from the building.
GAS ALARM LATCHING LED INDICATOR:
The alarm had previously detected GAS and had
alarmed. The blue LED is off and blinks on approx. every 5 seconds until reset. Follow the reset
instructions to remove the latching LED.
TROUBLE / SERVICE ALARM:
Periodically, the alarm measurement circuit is tested. If an error is
detected, the alarm will sound 3 chirps approx. every 20 seconds. Reset the alarm. If the unit does not
reset, replace the alarm.
END-OF-SERVICE LIFE ALARM:
When it is time to replace your alarm, which is approximately 7 years
of operation from initial power up, the alarm will sound 2 chirps approx. every 20 seconds. Replace
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period for up to 20 days. After 20 days, the warning cannot be silenced. The alarm should be replaced
immediately.
RESET THE ALARM:
Press the TEST/SILENCE button for 10 seconds, or until the blue LED turns on,
and then release. This will clear the alarm latching LED’s and clear the alarm origination. Reset after
each alarm event.
TESTING:
Test by pushing the Test button on the alarm cover until the alarm sounds, then release. The
alarm will sound 4 beeps, approx. 5 second pause, 1 beep. The test sequence lasts approx. 7 seconds.
The alarm sounds if all electronic circuitry and horn are working. If no alarm sounds, the alarm may have
a power supply failure.
Test the alarm weekly to assure proper operation.
ALARM ORIGINATION:
Patented Quick Find® Alarm Origination—In an interconnected system consisting
of any of these models: MI106S, MIC1509S, 5304, MI106, MDS107, MCN108, MICN109, MDSCN111,
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This Quick Find® feature will immediately allow you to locate the originating alarm once the alarms have
stopped sounding. To initiate Quick Find®, press and hold the test/silence button on any alarm until the
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designated by the alarm type. Once this test sequence ends, the originating alarm continues to sound
for approximately 60 seconds, which provides ample time to locate the originating alarm. Remember to
reset the originating alarm in order to clear the Quick Find® alarm origination, and to return your system to
normal operation. Refer to the wiring instructions/model interconnect compatibility section of this manual
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the test/silence button to determine the originating alarm.
IF THE CO ALARM SOUNDS:
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On each label, write in the phone number of your emergency responder (such as 911) and a
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1. Operate SILENCE button;
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emergency service here:
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that all persons are accounted for. Do not reenter the premises nor move away from the open
door/window until the emergency services responders have arrived, the premises have been
aired out and your alarm remains in its normal condition.
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equipment and appliances and inspect for proper operation of this equipment. If problems are
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equipment not inspected by the technician and consult the manufacturers’ instructions or
contact the manufacturer(s) directly for more information about CO safety and this equipment.
Make sure that motor vehicles are not, and have not been, operating in an attached garage
or adjacent to the residence. Write down the number of your local emergency service here: