What To Do If The Alarm Sounds

Never restart the source of a CO problem until it has been fixed. NEVER IGNORE THE ALARM!

The CO sensor meets the alarm response time require- ments of UL standard 2034. Standard alarm times are as follows:

At 70 PPM, the unit must alarm within 60-240 minutes. At 150 PPM, the unit must alarm within 10-50 minutes. At 400 PPM, the unit must alarm within 4-15 minutes.

This carbon monoxide alarm is designed to detect carbon monoxide gas from ANY source of com- bustion. It is NOT designed to detect any other gas.

Fire departments, most utility companies and HVAC contractors will perform CO inspections, some may charge for this service. It’s advisable to inquire about any applicable fees prior to having the service per- formed. Kidde Safety will not pay for, or reimburse, the owner or user of this product, for any repair or dispatch calls related to the alarm sounding.

Battery Replacement

If any form of battery failure is detected the red LED light will flash and the unit will “chirp” one time, fol- lowed by the warning message “LOW BATTERY.” This cycle will occur once every minute for the first hour. After the first hour, the red LED light will continue flashing accompanied by the chirp only sound every 60 seconds. The voice message “LOW BATTERY” will sound once every fifteen minutes during the chirp only cycle, and will continue for at least seven days.

Battery Replacement

If the red LED light flashes along with a chirp every 30 seconds, and is not followed by the voice message “LOW BATTERY” as described above, your unit has malfunctioned. Call our toll free Consumer Hotline at 1-800-880-6788 for instructions on

how to return the unit.

Refer to Step 1 on page 8 for information on installing the batteries.

Replace batteries with one of the following approved brands: Duracell MN1500, MX1500 or Energizer E91. These batteries can be purchased at your local retailer. WARNING! Use only the batteries specified. Use of different batteries may have a detrimental effect on the Smoke/CO alarm.A good safety measure is to replace the batteries twice a year, at the same time you change your clocks for daylight saving time.

General Maintenance

To keep your Smoke/CO Alarm in good working order, please follow these simple steps:

•Verify unit alarm, lights and battery operation by pushing the test/reset button once a week.

•Remove the unit from mounting bracket and vacuum the alarm cover and vents with a soft brush attachment once a month to remove dust and dirt. REINSTALL IMMEDIATELY AFTER CLEAN ING AND THEN TEST USING THE TEST/RESET BUTTON! IF TAMPER RESIST FEATURE HAS BEEN ACTIVATED, REFER TO TAMPER RESIST FEATURE DESCRIPTION ON PAGE 14 FOR REMOVAL INSTRUCTIONS.

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Kidde KN-COSM-B manual Battery Replacement, General Maintenance
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KN-COSM-B specifications

The Kidde KN-COSM-B is a sophisticated combination of a smoke detector and carbon monoxide (CO) alarm, designed to enhance safety in residential and commercial spaces. This dual-function device provides peace of mind by safeguarding against two of the most dangerous threats in any environment: fire and carbon monoxide poisoning.

One of the most notable features of the Kidde KN-COSM-B is its advanced photoelectric smoke sensing technology. This type of sensor is known for its quick response time to smoldering fires, which often generate large amounts of smoke without visible flames. This means that the device can alert users to potential fire hazards before they escalate, providing critical extra minutes for evacuation.

In addition to its smoke detection capabilities, the Kidde KN-COSM-B is also equipped with a reliable electrochemical CO sensor. Carbon monoxide is a colorless, odorless gas that can be produced by common household appliances like furnaces, water heaters, and gas stoves. The alarm features a loud 85-decibel warning signal, ensuring that occupants are alerted to the presence of CO promptly, allowing for immediate action to be taken.

The device is powered by a sealed lithium battery, which eliminates the need for constant battery changes, a feature that enhances its reliability. The battery has a lifespan of up to 10 years, aligning with the recommended replacement interval for smoke and CO alarms.

User-friendly features make the Kidde KN-COSM-B even more appealing. The unit includes a “test/reset” button, allowing users to easily verify the functionality of the alarm or silence it if necessary. It also features an end-of-life warning that alerts users when it's time to replace the unit, ensuring that safety remains uncompromised.

Another noteworthy characteristic is its sleek, compact design, which allows for seamless integration into various home décor styles without being intrusive. The device can be mounted on walls or ceilings, providing versatility in installation.

Overall, the Kidde KN-COSM-B stands out as a reliable solution for protecting families and properties from the dangers of fire and carbon monoxide. Its comprehensive features, coupled with user-friendly technology, make it an essential addition to any safety-conscious household.
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