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Quick Set-Up Guide
Step 1
Determine the best location for your CO alarm(s). Usually this
is in or near bedrooms. Refer to page 1-3 for complete
information.
Step 2
Your CO alarm is equipped to be mounted as a corded unit,
a direct plug unit or a table top unit. In the “as shipped” con-
figuration, the unit can be plugged directly into a wall sock-
et. (If your outlets are mounted horizontally, please refer to
page 1-4). If the transformer/adapter is taken out of the unit,
the unit can be mounted on the wall at eye level, while the
transformer is plugged into a wall socket. The unit can also
be set on a table if the support at the bottom of the unit is
pulled out (see illustrations on page 1-1). Refer to page 1-4
for further information on installing your alarm.
Step 3
A 9V battery is needed for backup in the event of a power
outage. When installing the battery, use an Energizer 522,
Duracell MN 1604 or, for extended life, use an Ultralife lithi-
um power cell model U9VL. Any of these batteries can be
purchased where you bought the alarm or at your local hard-
ware store. To install the battery, open the back door and
snap battery connector onto battery. You will hear the alarm
sound briefly to indicate the unit is receiving power. Place
battery into battery compartment and replace back door
(refer to page 1-1).
Step 4
Plug the alarm into a standard, unswitched 120 volt AC elec-
tric outlet in one of the configurations listed in step 2.
Step 5
You will either see a flashing red dot or you will see three
eights in the digital display indicating the alarm is warm-
ing up. After approximately 20 seconds, the first reading will
appear on the digital display. The number on the digital dis-
play should be zero (0). If not, see page 1-5 for complete
information on normal operating characteristics.
Step 6
Make sure the red dot in the digital display is blinking. Then
test the unit’s operation by pressing and releasing the
Test/Reset button. Within 15 seconds you will hear 4 quick
beeps – followed by 5 seconds of silence – followed by 4
quick beeps. For complete testing information, refer to page
1-5.
Step 7
While testing the alarm, have someone else check that the
alarm can be heard easily from the sleeping areas. The unit
should be located where it can wake you if it alarms at night.
See page 1-3 for complete information on the best locations
for your alarm.
Caution: Continuous exposure to the loud 85 decibel alarm
at close range over an extended period of time may cause
hearing loss.
That’s it. Your Nighthawk CO alarm is now monitoring for the
presence of carbon monoxide.
We urge you to read this entire manual in the sequence it is presented.
But, if you only read one part of this guide initially, read this page!
Listed below are seven easy steps for setting up your Nighthawk CO alarm. Please read the entire guide for complete information.
Setting up your CO alarm for first time operation:
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