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3. Install the new batteries. Note the polarity illustration in the battery compartment. 4. Close the bottom cover. Note: The bottom cover will not close if all three AA batteries are not installed. When replacing the batteries, use one of the following approved brands: • Duracell MN1500 or MX1500 • Energizer E91 These batteries can be purchased where you bought the alarm or at a local hardware store. Use of a different battery may have a detrimental effect on the alarm operation. IMPORTANT: Constant exposures to high or low humidity may reduce battery life. A good safety measure is to replace the battery at least once a year, or at the same time as you change your clocks for daylight saving time. After installing or changing the batteries, reinstall your alarm. Test your alarm by using the Test/Reset button and check that the green “Power” LED is on. 4. Installation Instructions Mounting This CO alarm can be either wall mounted or placed on a tabletop. For wall mounting, follow these steps: 1. Mark the location of the two holes needed on the wall spaced 2-1/2” apart. 2. Insert the two screws provided until the screw heads are protruding approximately 1/8” from the wall. (If mounting in a plasterboard or drywall, drill a 3/16” hole in the wall and use the plastic anchors provided.) 3. Hook the CO alarm over the screws and onto the keyholes in the back of the alarm. Your CO alarm may also be placed on a tabletop. Simply place in a location that is easily visible. Be sure the alarm is no more than three feet from the floor. Important Labels Provided Two labels have been provided that have important information on what to do in case of an alarm. Add the phone number of your emergency service provider in the space provided. Place one label next to the alarm after it is mounted, and one label near a fresh air source such as a door or window. 4. Installation Instructions Wall Mount Battery Polarity for the three AA batteries Screw Head Distance from Wall Whenever the alarm is operating, the green Power LED flashes every 30 seconds to indicate the unit is monitoring for CO. If the alarm senses dangerous levels of CO, the red Alarm LED will flash and the alarm will emit an audible alarm pattern. 6. Model KN-COPP-B-LS (with digital display) Operating Characteristics 5. Model KN-COB-B-LS Operating Characteristics Operating and Alarm Characteristics Function LED Display Alarm Sound Unit Status Recommendation Normal Operation Green LED flashes every 30 seconds None Normal DC operation (sensing no CO) and with good batteries None Carbon monoxide alarm Red LED flashes with beeps. 4 quick beeps, 5 seconds silence, repeating Alarm condition. Dangerous concentrations of CO detected Refer to “What to do When the Alarm Sounds” (inside front cover) Low battery Red LED flashes every 30 seconds One quick beep every 30 seconds Batteries need to be replaced Replace all three AA batteries Error / service alarm Red LED flashes every 30 seconds One quick beep every 30 seconds Unit is in error condition Error Red LED constantly on Constant alarm Very low battery or unit malfunction Replace battery. If condition continues, unit has malfunctioned. Replace immediately. Unit will not respond to CO Normal Test/Reset function Red LED flashes with beeps. Green and amber LED’s on 4 quick beeps, 5 seconds silence, repeated once Normal operation when Test/Reset button is pressed CO not detected. Alarm for test purposes only End of unit life indicator Red LED flashes every 30 seconds One quick beep every 30 seconds End of unit life Replace unit immediately. Unit will not respond to to CO The following table illustrates the possible digital displays, describes the audible alarm patterns, and the recommended actions to take. 6. Model KN-COPP-B-LS (with digital display) Operating Characteristics When the unit is first powered up, the green Operate LED flashes once every 30 seconds and the digital display will show three “eights” – indicating the alarm is in the start-up mode. The three “eights” will remain for approximately 30 seconds. Then, the alarm will display “0” and begin monitoring the air for CO and will continue to do so as long as it receives power. This alarm will display a “0” if CO concentrations between 0 and 30 PPM have been detected within the last 15 seconds. Operating and Alarm Characteristics LCD Display Shows Alarm Sound Unit Status Recommendation A steady display of CO concentration from 30-999. Red LED flashes with beep 4 quick beeps, 5 secs. silence, repeating for 4 min.– then 4 quick beeps every minute Alarm condition. Dangerous concentrations of CO detected Refer to “What to do When the Alarm Sounds” (inside front cover) Brief “888” for approximately 30 seconds None Self test when first powered up None – CO has not been detected. Numbers shown for test purpose only A random number is displayed – approximately 200 4 quick beeps, 5 seconds silence, repeated once Test/Reset button is pressed None – CO has not been detected. Nu...

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