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Nighthawk CO and Gas Alarm with 

Digital Display, Peak Level Memory

and 9V Battery Backup

Model: KN-COEG-3

810-1571 REV. C
03/01

NIGHTHA

WK

Carbon

Monoxide

Alarm

Explosive

Gas

Alarm

Please have the following information

ready when calling:

CO and Gas Alarm Model number (located on back of alarm):

CO and Gas Alarm Assembly number (located on back of alarm):

Date of Manufacture (located on the back of the  alarm):

Date of Purchase:

Where Purchased:

Includes 9V Battery

For questions concerning your Carbon Monoxide and Explosive

Gas Alarm, please call our Consumer Hotline at 1-800-880-6788.

AC Powered with Battery Backup

Carbon Monoxide and

Explosive Gas Alarm

By KIDDE Safety

User’s Guide

See pages 

4-1 and 4-2 for

“What to do When the

Alarm Sounds”

SINGLE STATION 

CARBON MONOXIDE ALARM

RESIDENTIAL

GAS DETECTOR

CO/Gas Alarm Manual Rev. C  3/21/01  11:37 AM  Page 2

Summary of Contents for KN-COEG-3

Page 1: ... located on back of alarm Date of Manufacture located on the back of the alarm Date of Purchase Where Purchased Includes 9V Battery For questions concerning your Carbon Monoxide and Explosive Gas Alarm please call our Consumer Hotline at 1 800 880 6788 AC Powered with Battery Backup Carbon Monoxide and Explosive Gas Alarm By KIDDE Safety User s Guide See pages 4 1 and 4 2 for What to do When the A...

Page 2: ...a Gas emergency Who you should call if you suspect you have CO or Gas in your home 4 2 Sometimes it is difficult to find the source of CO 4 2 Part Five Technical Information Product Specifications 5 1 How the unit determines when to alarm 5 1 Part Six Frequently Asked Questions 6 1 2 Plus Display readings and what they mean 6 3 4 Limited Warranty Warranty Registration Back Page Warranty Service Ba...

Page 3: ...gh a main utility line con nected to your home If you do not live in a rural area you are like ly to be a user of natural Gas It is the dominant energy used for home heating with about 55 percent of American homes using Gas Natural Gas is a fossil fuel comprised almost entirely of Methane Methane is much lighter than air and will rise rapidly in air If you are a user of natural Gas we recommend yo...

Page 4: ...g for gas During this period a number will appear on the digital display The number on the digital display should be zero 0 If not see page 1 5 for complete information on normal operating characteristics Step 6 Wait 2 to 3 minutes after power up and make sure the red dot in the digital display is blinking Then test the unit s operation by pressing and releasing the Test Reset button Within 15 sec...

Page 5: ...plication These are just a few reasons over 4 5 million families have chosen Nighthawk over every other brand for this kind of life saving protection Nighthawk CO and Gas Alarm KN COEG 3 front view Nighthawk CO and Gas Alarm rear view Carbon Monoxide Alarm Explosive Gas Alarm TEST RESET PEAK LEVEL Sounder Alarm Digital Display Test Reset Button Blinking Red Dot Peak Level Button Rear view with bac...

Page 6: ...s is detected during battery backup conditions This will significantly shorten the bat tery life What Carbon Monoxide and Explosive Gas Alarms Can and Cannot Do This unit is designed to sense unacceptable levels of CO or Gas from malfunctioning furnaces appliances Gas engines or other sources This unit will provide early warning of the presence of carbon monoxide usually before a healthy adult wou...

Page 7: ...as a door or window CAUTION This alarm will only indicate the presence of carbon monoxide or Gas at the sensor Carbon monoxide or Gas may be present in other areas IMPORTANT Improper location can affect the sensitive elec tronic components in this alarm Please see the next section describing where NOT to install this alarm 1 3 Where Not to Install Your CO and Gas Alarm To avoid causing damage to t...

Page 8: ...en fireplace etc Temperature inversions which can trap exhaust Gasses near the ground Car idling in an open or closed attached garage or near a home How to Install Your Alarm Your Nighthawk CO and Gas alarm with its removable adapter allows you to install the alarm as a wall mounted unit for nat ural Gas detection and CO a direct plug unit for propane and CO or as a table top unit To install the b...

Page 9: ...e The three eights will remain for approximately 20 seconds You should see a blinking red dot to the lower right of the digi tal display The blinking dot shows that the alarm is operating Within 20 seconds your CO alarm will start monitoring for CO Within 2 minutes your alarm will start monitoring for Gas Note The number will probably be zero 0 This is a normal condition for most households and sh...

Page 10: ...incense stick by pressing the smoldering tip into the ashtray Part One Your Nighthawk CO and Gas Alarm Constant exposures to high or low humidity may reduce battery life We recommend you replace your 9V battery at least every six months How to Test Your Alarm There are two aspects of the alarm s operation that can be test ed the electronics and the sensors response Instructions on test ing each ar...

Page 11: ...l sound continuously and The digital display will be blank and The alarm cannot be shut off by pushing Test Reset button Unplug the alarm immediately and return for warranty exchange see Warranty on back page Low Battery Warning If the 9V battery is missing or if the battery s power is low an Lb message will display which blink s alternately with the current CO reading or GAS every second If this ...

Page 12: ...sing the peak level memory button Concentrations of CO between 0 and 30 PPM can often occur in normal everyday conditions Concentrations of CO below 30 PPM may be an indi cation of a transient condition that may appear today and never reappear Just a few examples of conditions and or sources that may cause low level readings are heavy automobile traffic a running vehicle in an attached garage an a...

Page 13: ...is taken for the flu headache dizziness weakness nausea vomiting sleepiness and confusion Breathing very high concentrations of carbon monoxide can be lethal in minutes Breathing low concentrations over time is dangerous too Long term exposure to low levels could cause permanent heart and brain damage Could Your Family be at Risk for CO Poisoning Carbon monoxide is the number one cause of poisonin...

Page 14: ...e What You Should Not Do Never burn charcoal inside a home garage cabin RV or camper Never install service or convert fuel burning appliances from one type to another without proper knowledge skills and tools Never use a Gas range oven or clothes dryer for heating Never operate unvented Gas burning appliances such as kerosene or natural Gas space heaters in a closed room Never operate Gasoline pow...

Page 15: ... carbon monoxide should immediately contact her physician Is there anyone in the household who is elderly or who has anemia heart disease or respiratory problems emphysema or chronic bron chitis These individuals are at higher risk for CO poisoning and for health problems from exposure to low levels of carbon monoxide If anyone in the household is at high risk for CO poisoning we urge you to take ...

Page 16: ...remises have been aired out and your CO and Gas alarm remains in its normal condition 4 After following steps 1 3 if your alarm reactivates within a 24 hour period repeat steps 1 3 and call a quali fied technician to investigate for sources of CO from fuel burning equipment and appliances and inspect for proper operation of this equipment If problems are identified during this inspection have the ...

Page 17: ...ollowed by a 1 2 second of silence then repeating Know how to respond to a CO or Gas emergency If the unit alarms for Gas 1 Evacuate the premises 2 Do not activate any electrical switch or telephone 3 Contact your fire department Treatment for CO Poisoning Any person who is suspected to have carbon monoxide poisoning should leave the potentially dangerous environment get fresh air immediately and ...

Page 18: ...nder 30 ppm Accuracy of the Digital Display Each Nighthawk CO and Gas alarm is calibrated at a CO concentration of 150 ppm in air at 80 F 10 F and 40 3 relative humid ity Depending on the ambient condition temperature humidity and the condition of the sensor the alarm readings may vary Under the same ambient conditions the device will alarm for Gas before 25 of the LEL is reached The digital readi...

Page 19: ...O or Gas exposure Please note however that the alarm will sample for the presence of gas once every eight minutes while on battery backup Gas could be present during this eight minute period without alarming Please see page 1 5 Q How do I get the alarm to show something besides 0 OR How can I determine if the sensors are operating correctly A Please refer to Testing Sensor Response on page 1 6 for...

Page 20: ...ways occupied and can have temperature extremes when no one is there no heat or no air conditioning Will that hurt the alarm Should I leave it plugged in all the time A We recommend that your alarm not be installed in areas where temperatures fall below 40 F 4 4 C or rise above 100 F 37 8 C Your alarm was designed to be constantly plugged in for maxi mum performance Q I plugged in the alarm at my ...

Page 21: ...arize yourself and other family members to the difference between a CO reading a Gas reading and a reading signifying a problem with the alarm itself Display Shows Alarm Sound Unit Status Recommended Action Brief 888 One short chirp Self checking when AC powered None Unit should return Test button was pressed or unit to zero within a minute was first powered Lb flashes One short chirp Start up or ...

Page 22: ...as unit will show reading only if it possible to conserve battery senses CO or gas Steady Err Chirp every Unit malfunctioning when Call KIDDE Safety customer and flashing dot 30 seconds battery powered service at 1 800 880 6788 Flashing dot Chirp every Very low battery Replace battery 30 seconds unit will not respond to CO Refer to Step 3 on page ii or gas No display Constant Alarm Near dead batte...

Page 23: ...Notes CO Gas Alarm Manual Rev C 3 21 01 11 37 AM Page 24 ...

Page 24: ... Nighthawk CO and Gas alarm to the wall you may use this guide for exact placement of the two wall mount screws provided For more information about mount ing to the wall please refer to page 1 4 2 58 CO Gas Alarm Manual Rev C 3 21 01 11 37 AM Page 25 ...

Page 25: ...ring the above warranty period your prod uct will be replaced with a comparable product if the defective prod uct is returned postage prepaid to KIDDE Safety Customer Service Department 1 800 880 6788 together with proof of purchase date Please include a note describing the problem when you return the unit The replacement product will be in warranty for the remainder of the original warranty perio...

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