Reaction Times of the CO Alarm
The following table indicates the reaction times of the CO
alarm according to the levels of carbon monoxide�
Take each alarm seriously and follow the
instructions in Section In the Event of an
Alarm on Page 27�
Concentration*
Up to 50 ppm
Up to 100 ppm
Up to 300 ppm
From 300 ppm
* The concentration indicates the levels of carbon monox-
ide in the ambient air in ppm (parts per million).
Time Until CO Alarm is Triggered
Approx� 2 hours
Approx� 1 to 1�5 hours
Approx� 10 to 40 minutes
Max� 3 minutes
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