Kidde NIGHTHAWK KN-COSM-B - Installation and Setup; Battery Installation Guide

Operating/Installation Instructions
Step 1
Installing Batteries:
Batteries were not installed at the factory and must
be installed for the unit to operate! Install the three (33
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).
Batteries Must Be Installed in Order Shown Below:
Ө Install
Last
Install
Ө Second п + AA Battery
@ Install
First
• 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.
Smoke/CO Alarm will not engage to bracket unless
all three batteries are installed. Removal of any or all
batteries will render the Smoke/CO Alarm inoperative!
* After the batteries are correctly installed the unit
will beep once and the red LED light will flash.
After 20-30 seconds the green LED light will flash
indicating the unit is now operational.
CAUTION: Your Smoke/CO Alarm is sealed and
the cover is NOT removable!
8