Kidde KN-COSM-B-RF

2-in-1 Smoke and
Carbon Monoxide Alarm
User Guide for Model KN-COSM-B-RF
Smart Wireless Network
2521-7203-00
For questions concerning your 2-in-1 Smoke and Carbon Monoxide
Alarm, please call our consumer hotline at 1-800-880-6788. For tips on
how to protect your home and family, visit www.kidde.com
For your convenience, write down the following information. If you call
our consumer hotline, these are the first questions you will be asked:
ATTENTION: Please take a few minutes to thoroughly read this
user guide which should be saved for future reference and
passed on to any subsequent owner.
Alarm Model Number
(locatedonbackofthealarm):
Date of Manufacture
(locatedonbackofthealarm):
Date of Purchase:
Where Purchased:
Clear Voice Instructions
2521-7203-00_V7b.indd 1
14-2-18 上午11:48

Kidde KN-COSM-B-RF Specifications

General

Sensor Type	Electrochemical
Test/Silence Button	Yes
Certifications	UL Listed
Power Source	Battery
Battery Type	AA
Interconnectivity	Wireless
LED/Digital Display	LED
Dimensions	5.5 x 1.5 x 5.5 inches
Operating Temperature	40°F to 100°F (4.4°C to 37.8°C)
Operating Humidity	10% to 95% relative humidity

Summary

Product Introduction and Owner Information

Consumer Support and Product Details

Provides consumer hotline, website, and fields for owner information like model and purchase date.

Welcome and Alarm Options

System Configuration Choices

Outlines using the alarm as a single unit, wirelessly connected, or with a fire extinguisher.

Emergency Alarm Response

Smoke Alarm Procedure

Detailed steps for responding to a smoke alarm, including evacuation and safety measures.

Carbon Monoxide Alarm Procedure

Steps to take during a CO alarm, emphasizing immediate evacuation and professional assistance.

Critical Safety Warnings

Operational and Health Precautions

Essential warnings regarding power, CO detection limitations, and health considerations for specific individuals.

Smart Wireless Network Introduction

Networked Safety Benefits

Introduces the Kidde Smart Wireless Network for interconnected home fire safety and family preparedness.

Fire Safety Practices

Developing Escape Plans

Guidelines for creating and practicing home escape plans, including fire drills and meeting points.

Fire Prevention Measures

Advice on preventing fires, teaching children safety, and understanding alarm patterns.

Ionization Sensor Technology

Explains the ionization sensing technique and its compliance with NRC regulations.

NFPA Installation Standards

Details NFPA Standard 72 requirements for smoke alarm installation locations in residential occupancies.

Carbon Monoxide Awareness

CO Poisoning Awareness and Prevention

Discusses CO poisoning, emergency plan review, and protecting high-risk individuals.

Recognizing CO Poisoning Symptoms

Lists symptoms of CO exposure and advises immediate medical consultation if symptoms appear.

Identifying Carbon Monoxide Sources

Details common household sources of CO, including fuel-burning appliances and vehicle exhaust.

Conditions Causing Transient CO

Explains transient CO situations caused by appliance venting, exhaust fans, and atmospheric conditions.

CO Alarm Functionality

Alarm Capabilities and Limitations

Explains the early warning function of CO alarms, their role as monitors, and inherent limitations.

Sensor Placement and Fuel Detection

Discusses sensor limitations, recommends whole-home coverage, and prohibits fuel detection use.

Product Features and Specifications

Alarm Components and Model Overview

Identifies key components and provides an overview of the alarm model KN-COSM-B-RF.

Alarm Replacement Schedule

Informs users about the 10-year alarm lifespan and the notification for replacement.

Wireless Interconnection System

Explains the Kidde Smart Wireless Network feature for interconnected home safety.

Alarm Alerts and Voice Messages

Details the alarm's voice warning system for fire, carbon monoxide, and low battery conditions.

Test Button and LED Indicators

Describes the functions of the test button and the meaning of green and red LED status lights.

Smoke Alarm Details

Smoke Detection and Limitations

Explains smoke detection, precedence, and sensing limitations, including NFPA recommendations.

Carbon Monoxide Alarm Details

CO Detection Technology

Details how the CO alarm detects carbon monoxide levels using electrochemical technology.

Installation Guide

Setting the Wireless ID Pattern

Guides on setting wireless ID patterns using DIP switches for system differentiation.

Testing Wireless Connections

Procedures for testing the wireless communication between interconnected alarms weekly.

Installing Batteries Correctly

Step-by-step instructions for installing the three AA batteries, emphasizing polarity and lockout.

Battery Replacement and Low Battery Warning

Explains low battery signals, silence feature, and proper battery replacement procedures.

Optimal Alarm Mounting Locations

Recommends specific locations for alarm installation on ceilings and walls for maximum protection.

Ceiling and Wall Mounting Details

Provides detailed instructions on mounting height and distance from walls for ceilings and walls, including mobile homes.

Sloped Ceiling Installation Guidance

Offers specific advice from NFPA 72 for installing alarms on sloped ceilings.

Recommended Location Diagrams

Visual aids illustrating recommended alarm placement for single and multi-level homes.

Installation Standard Compliance

Stresses adherence to NFPA Standard 72 for installation.

Locations to Avoid for Installation

Lists areas where alarms should not be installed to prevent false alarms or malfunction.

Physical Mounting Procedure

Details the process of marking, drilling, and securing the alarm to the wall or ceiling.

Testing and Operation

Basic and Remote Alarm Testing

Explains how to test the alarm's functionality and verify wireless interconnect system operation.

Alarm Silencing and Reset Functions

Describes alarm silencing, reset functions, and behavior when CO levels persist.

Using Smoke Alarm Silent Mode

Guides on temporarily desensitizing the smoke alarm for nuisance alarms from cooking.

Low Battery Silence Feature

Details the feature that temporarily silences low battery warnings for convenient replacement.

Peak CO Level Memory

Describes how the alarm stores and allows retrieval of the highest detected CO level.

Interpreting Alarm Memory Signals

Guides on understanding LED flashes and voice prompts related to Peak and Alarm Memory conditions.

Maintenance and Care

Routine Cleaning and Protection

Outlines regular cleaning, protecting sensors, and precautions during home renovations.

FCC Compliance and Sensor Contaminants

Details FCC compliance and lists substances that can affect the CO sensor.

Troubleshooting Guide

Resolving Alarm and Power Issues

Addresses problems with alarm signaling, power, and wireless interference, providing solutions.

Warranty Information

Limited Warranty Coverage and Service

Explains the 10-year warranty terms, coverage, limitations, and procedures for obtaining service.