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Place this alarm into shut-down mode at the end of its useful service life. Once the alarm has
entered end-of-service-life mode, it is necessary to turn off the alarm to deactivate the alarm
operation. This will stop the product end-of-service-life warning signal and also discharge the
remaining capacity of the battery and ready the alarm for disposal.
1. Turn off the AC power at the circuit breaker or fuse box. The green LED will now be off.
2. Disconnect the AC power connector by gently pulling it away from the back of the alarm.
3. Remove the alarm from the mounting bracket by rotating it in the direction shown the arrows
on the rim of the base.
4. The plastic alarm deactivation key is molded in the mounting bracket of the alarm. Refer to
Figure 3). Use a small flat blade tool to remove (breakaway) the deactivation key from the
mounting bracket.
5. Insert the key into the deactivation keyhole slot outlined on alarm label, and insert fully.
6. Slowly turn key clockwise to the "off" position, approximately 3/4 turn.
7. This will discharge the alarm battery and stop the alarm chirping after approximately one
minute. The alarm is now ready for disposal.
8. The deactivation key should not be removed and the alarm cannot be re-attached to the
mounting bracket.
9. Be sure to install a new alarm immediately.
Once this alarm has been deactivated/turned off:
• The alarm cannot be re--attached to the bracket
• The alarm will no longer detect smoke or carbon monoxide
• The alarm contains no serviceable parts
Carbon monoxide (CO) is an insidious poison. It is a colorless, odorless, tasteless gas. It is
a cumulative poison. Even low levels of CO have been shown to cause brain and other vital
organ damage in unborn infants with no effect on the mother.
The following symptoms are related to CARBON MONOXIDE POISONING and should be
discussed with ALL members of the household:
MILD EXPOSURE: Slight headache, nausea, vomiting, fatigue (often described as "flu-like" symptoms).
MEDIUM EXPOSURE: Severe throbbing headache, drowsiness, confusion, fast heart rate.
EXTREME EXPOSURE: Unconsciousness, convulsions, cardiorespiratory failure, death.
Many cases of reported CARBON MONOXIDE POISONING indicate that victims are aware
they are not well, but they become so disoriented that they are unable to save themselves by
either exiting the building or calling for assistance. Young children and household pets may be
the first affected.
Your combination alarm is designed to detect the toxic CO fumes that result from incomplete
combustion, such as those emitted from appliances, furnaces, fireplaces and auto exhaust.
What Levels of CO Cause an Alarm?
Underwriters Laboratories Inc. UL2034 defines three specific alarm points by which all residen-
tial CO alarms must alarm. They are measured in parts per million (ppm) of CO over time (in
minutes).
UL2034 Required Alarm Points:
• If the alarm is exposed to 400 ppm of CO, it must alarm between 4 and 15 minutes.
• If the alarm is exposed to 150 ppm of CO, it must alarm between 10 and 50 minutes
• If the alarm is exposed to 70 ppm of CO, it must alarm between 60 and 240 minutes.
• This alarm is designed to act as a continuous monitor. It is not designed for use as a short-term
testing device to perform a quick check for the presence of CO.
Deactivation of the alarm is permanent.
• The alarm cannot be re-activated
WHAT YOU SHOULD KNOW ABOUT CO
Page 13
ALARM Deactivation Key
FIGURE 3
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