User Guide - Page 8

chemical cell. Many times throughout this User Guide, we will refer to Carbon Monoxide as “CO.”

Ten (10) years after the unit was installed, this unit will automatically alert you that it is time to replace the unit.

This is called “End of Unit Life” mode. See Troubleshooting Guide. To help identify the date to replace the unit, a

label has been affixed to the side of the alarm. Write the “Install date” in the space provided, and then write in

the “Replace by” date (10 years from initial power up) in permanent marker on the label prior to installing the unit.

Two labels have been provided that have important information on what to do in case of a CO alarm. Place one

label at eye level on a wall near the alarm after it is mounted, and one near a fresh air source such as a door or