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CAUTION: This alarm will only indicate the presence
of carbon monoxide gas at the sensor. Carbon
monoxide gas may be present in other areas.
Individuals with medical problems may consider using
warning devices which provide audible and visual
signals for carbon monoxide concentrations under 30
ppm.
Step 1
Installing Batteries:
Batteries were not installed at the factory and
must be installed for the unit to operate! Install the
three (3) AA batteries in the back of the Smoke/CO
Alarm.
• The mounting plate must be removed from the
back of the unit to install batteries. To remove, hold
the mounting plate and twist counterclockwise (left).
• The battery polarity markings on the bottom of
the battery compartment must be adhered to.
• Batteries must be installed in the sequence
shown. If batteries seem difficult to install, they’re not
being installed in the proper sequence.
3
2
1
WARNING:
BATTERIES
MISSING
INSTALL
LAST
INSTALL
SECOND
INSTALL
FIRST
+
+
+
Batteries Must Be Installed in Order Shown Below:
Install
First
Install
Second
Install
Last
3
2
1
INSTALL
THIRD
INSTALL
SECOND
INSTALL
FIRST
WARNING:
BATTERIES
HAVE BEEN
REMOVED
AA-battery
AA-battery
AA-battery
2.
3.
1.
Operating/Installation Instructions
Carbon Monoxide Alarm Features