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Part One – Your Kidde CO Alarm
Normal Operating Characteristics
When you first power up the alarm, the red alarm light will
come on and the alarm will sound briefly, then the green operate
light will come on. All this is to let you know the CO alarm is receiv-
ing power and that the alarm circuit is functioning.
Within a few minutes, your carbon monoxide alarm will start moni-
toring for CO and will continue to do so as long as it receives power.
Your Kidde CO alarm will now sample the air every fifteen seconds
and alert you if it senses dangerous CO levels.
For more information about the effects of CO exposure at
different levels over time, refer to the chart on 23 as well as the infor-
mation on pages 24-26.
When the CO alarm is unplugged or loses power, a fading
alarm will sound briefly to alert you that it has been disconnected
from its power source. For example, this fading alarm will sound in
the event of a power outage. A brief alarm will also sound to alert
you when the power is restored.
For information about how the unit alarms, turn to page 29.
For information about alarm’s malfunction alert, turn to page 16.
Part One – Your Kidde CO Alarm
Direct Plug Unit (KN-COB-DP-H)
First, refer to “Where to Install Your CO Alarm” on
page 11 for general guidelines as to where to
locate your CO alarm.
To install:
1. Choose a standard 120V outlet to plug alarm
into.
CAUTION: Do not rotate unit while plugged in, as damage to plug
may result.