BRK electronic FCD2N User's Manual
Contents
1. CO Alarms are designed to alarm before there is an immediate life threat Since you cannot see or smell CO never assume it s not present e Anexposure to 100 ppm of CO for 20 minutes may not affect average healthy adults but after 4 hours the same level may cause headaches e An exposure to 400 ppm of CO may cause headaches in average healthy adults after 35 minutes but can cause death after 2 hours IMPORTANT This CO Alarm measures exposure to CO over time It alarms if CO levels are extremely high in a short period of time or if CO levels reach a certain mini mum over a long period of time The CO Alarm generally sounds an alarm before the onset of symptoms in average healthy adults Why is this important Because you need to be warned of a potential CO problem while you can still react in time In many reported cases of CO expo sure victims may be aware that they are not feeling well but become disori ented and can no longer react well enough to exit the building or get help Also young children and pets may be the first affected The average healthy adult might not feel any symptoms when the CO Alarm sounds However people with cardiac or respiratory problems infants unborn babies pregnant mothers or elderly people can be more quickly and severely affected by CO If you experience even mild symptoms of CO poisoning consult your doctor immediately Standards Underwriters Laboratories Inc Single and Multiple Statio2. Maintenance 00 eee eee eee eee 3 What You Need To Know About CO cece eel 4 What IS COP icc sce yon Sue wk ole a Ran wae de a io Ht WE Ow Semon gee wa 4 Symptoms of CO Poisoning 002 a ia e eee eee eee eee 4 Potential Sources Of CO In The Home 200 ee eee eee 4 How Can Protect My Family 00c200s00se0080 vas eee ean ed 4 Underwriters Laboratories Inc UL2034 0 00 cece eee 5 6 5 General Limitations Of CO Alarms 0 0000 cee e ewes 5 6 5 Troubleshooting Guide 00 0 cence eee eee 5 6 6 Five Year Limited Warranty 0000 eee eee eee 5 6 6 All Rights Reserved 2002 BRK Brands Inc BRK Brands Inc 3901 Liberty Street Road Aurora IL 60504 8122 Consumer Affairs 800 323 9005 www firstalert com INTRODUCTION BASIC SAFETY INFORMATION IMPORTANT e Dangers Warnings and Cautions alert you to important operating instructions or to potentially hazardous situations Pay special attention to these items e THIS IS NOT A SMOKE ALARM This CO Alarm is designed to detect carbon monoxide from ANY source of combustion It is NOT designed to detect smoke fire or any other gas e This CO Alarm is approved for use in single family residences It is NOT designed for marine use ACAUTION e This CO Alarm will only indicate the presence of carbon monoxide gas at the sensor Carbon monoxide gas may be present in other areas AWARNING e The Silence Feature is f
3. malfunction CO levels can rise quickly CO is a real danger now that homes are more energy efficient Air tight homes with added insulation sealed windows and other weatherproofing can trap CO inside SYMPTOMS OF CO POISONING These symptoms are related to CO POISONING and should be discussed with ALL household members Mild Exposure Slight headache nausea vomiting fatigue flu like symptoms Medium Exposure Throbbing headache drowsiness confusion fast heart rate Extreme Exposure Convulsions unconsciousness heart and lung failure Exposure to carbon monoxide can cause brain damage death AWARNING Some individuals are more sensitive to CO than others including people with cardiac or respiratory problems infants unborn babies pregnant mothers or elderly people can be more quickly and severely affected by CO Members of sensitive populations should consult their doctors for advice on taking additional precautions FINDING THE SOURCE OF CO AFTER AN ALARM Carbon monoxide is an odorless invisible gas which often makes it difficult to locate the source of CO after an alarm These are a few of the factors that can make it difficult to locate sources of CO e House well ventilated before the investigator arrives e Problem caused by backdrafting e Transient CO problem caused by special circumstances BRK Brands Inc shall not be obligated to pay for any carbon monoxide investigation or se
4. warranty AWARNING DO NOT stand close to the CO Alarm when the horn is sounding Exposure at close range may be harmful to your hearing When testing step away when horn starts sounding REGULAR MAINTENANCE To keep the CO Alarm in good working order e Test it every week using the Test Silence button e Vacuum the CO Alarm cover at least twice a year using the soft brush attachment Test the CO Alarm again after vacuuming ACAUTION DO NOT spray cleaning chemicals or insect sprays directly on or near the CO Alarm DO NOT paint over the CO Alarm Doing so may cause permanent damage IMPORTANT Household cleaners aerosol chemicals and other contaminants can affect the sensor When using any of these materials near the CO Alarm make sure the room is well ventilated IMPORTANT If your home is being fumigated unplug the unit temporarily and put it where it will not be exposed to chemicals or fumes When fumigation is complete and all traces of fumes clear plug the unit back in and retest it WHAT YOU NEED TO KNOW ABOUT CO WHAT IS CO CO is an invisible odorless tasteless gas produced when fossil fuels do not burn completely or are exposed to heat usually fire Electrical appliances typically do not produce CO These fuels include Wood coal charcoal oil natural gas gasoline kerosene and propane Common appliances are often sources of CO If they are not properly main tained are improperly ventilated or
5. you This warranty gives you specific legal rights and you may also have other rights that vary from state to state or province to province How to Obtain Warranty Service Service If service is required do not return the product to your retailer In order to obtain warranty service contact the Consumer Affairs Division at 1 800 323 9005 7 30 AM to 5 00 PM Central Standard Time Monday through Friday To assist in serving you please have the model number and date of purchase available when calling 3920 Enterprise Court Aurora IL 60504 8132 For your records please record Date Purchased Where Purchased First Alert is a registered trademark of the First Alert Trust M08 0016 000 P 06 02
6. CE TEST WEEKLY All three lights flash briefly Horn pattern repeats twice 4 beeps then a pause 4 beeps then a pause INSTALLATION During an Alarm TEST SILENCE TEST WEEKLY o E PRI Green light ON Yellow light OFF Red light FLASHES Repeating horn pattern 4 beeps then a pause 4 beeps then a pause During Alarm Malfunction TEST SILENCE DA TEST WEEKLY aa e e t ZTN Green light ON Yellow light ON Red light FLASHES Horn chirps about twice a minute Using the Silence Feature in Alarm O TEST SILENCE K TEST WEEKLY anti Green light ON Yellow light OFF Red light FLASHES Horn silent for 4 minutes Refer to Using The Silence Feature for details WHERE TO INSTALL CO ALARMS The National Fire Protection Association NFPA recommends that a CO Alarm should be centrally located outside of each separate sleeping area in the immediate vicinity of the bedrooms For added protection install additional CO Alarms in each separate bedroom and on every level of your home If your bedroom hallway is longer than 40 feet install a CO Alarm at BOTH ends of the hallway BEDROOM LIVING ROOM KAEA BEDROOM KITCHEN BASEMENT REQUIRED TO MEET NFPA RECOMMENDATIONS SUGGESTED AREAS FOR INSTALLING ADDITIONAL CO ALARMS In a Single level Home e Install at least one CO Alarm near or within each separate sl
7. First Alert USER S MANUAL 120V PLUG IN CARBON MONOXIDE ALARM WITH SILENCE FEATURE fe eon First OLC ams Alert m MONOXIDE i ALAR 120V AC 60 Hz 085A Standby 087A Alarm M08 0016 000 P 06 02 Model FCD2N IMPORTANT PLEASE READ CAREFULLY AND SAVE This user s manual contains important information about your Carbon Monoxide CO Alarm s operation If you are installing this CO Alarm for use by others you must leave this manual or a copy of it with the end user THIS USER S MANUAL HAS BEEN RESIZED TO PRINT OUT ON 8 1 2 x 11 PAGES BLACK page numbers reference the original printed document RED page numbers reference this web version TABLE OF CONTENTS introduction sac icccct bel hae ekeeerea siesta E eee 1 Basic Safety Information wis sser orema atna and a tae eee acca 1 How Your CO Alarm Works 0000 eee 1 What the Lights and Alarm Tones Mean 00000 eee eee 2 INStANSUON scx cecris inca wesw ad ees eRe weOERES Ea RT eRe REE ER ORE 2 Where to Install CO Alarms o ccjecvs give ge taped acne ated alone sais ieee ana 2 Where CO Alarms Should NOT Be Installed 0 2 How to Install Your CO Alarm 0 2 0 0 02 a a eee 3 If Your CO Alarm Sounds 000 0 cece ees 3 Ifthe Alarm Signal Sounds assassanin gad ee a ee 3 Finding the Source of CO After an Alarm 0 3 amp 4 3 Using the Silence Feature 0 0 0 eee 3 Testing and
8. ake sure that motor vehicles are not and have not been operating in an attached garage or adjacent to the residence Write down the number of a qualified appliance technician here IF IN ALARM EVERYONE ALARM MOVE TO FRESH AIR MOVE TO FRESH AIR If you hear the alarm horn and the red light is flashing move everyone to a source of fresh air POWER ALARM DO NOT unplug the CO Alarm FINDING THE SOURCE OF CO AFTER AN ALARM Because CO may dissipate by the time an investigator arrives it may be diffi cult to locate the source of CO See What You Need to Know About CO BRK Brands Inc shall not be obligated to pay for any carbon monoxide investigation or service call USING THE SILENCE FEATURE AWARNING The Silence Feature is for your convenience only and will not correct a CO problem Always check your home for a potential problem after any alarm Failure to do so can result in injury or death AWARNING NEVER unplug your CO Alarm to silence the horn Use the silence fea ture Unplugging the CO Alarm removes your protection See If Your CO Alarm Sounds for details on responding to an alarm The Silence Feature is intended to temporarily silence your CO Alarm s alarm horn while you correct the problem it will not correct a CO problem While the alarm is silenced it will continue to monitor the air for CO When CO reaches alarm levels the alarm will sound repeating horn pattern 4 beeps a pause 4 b
9. ay be made with a similar product of equal or greater value This is your exclusive warranty This warranty is valid for the original retail purchaser from the date of initial retail purchase and is not transferable Keep the original sales receipt Proof of purchase is required to obtain warranty performance BRK dealers service centers or retail stores selling BRK products do not have the right to alter modify or any way change the terms and conditions of this warranty This warranty does not cover normal wear of parts or damage resulting from any of the following negligent use or misuse of the product use on improper voltage or current use contrary to the operating instructions disassembly repair or alteration by anyone other than BRK or an authorized service center Further the war ranty does not cover acts of God such as fire flood hurricanes and tornadoes or any batteries that are included with this unit BRK shall not be liable for any incidental or consequential damages caused by the breach of any express or implied warranty Except to the extent prohibited by applicable law any implied warranty of merchantability or fitness for a particular purpose is limited in duration to the duration of the above warranty Some states provinces or jurisdictions do not allow the exclusion or limitation of incidental or consequential damages or limitations on how long an implied warranty lasts so the above limitations or exclusion may not apply to
10. d for people who are hearing impaired CO Alarms are not a substitute for a smoke alarm Although fire is a source of carbon monoxide this CO Alarm does not sense smoke or fire This CO Alarm senses CO that may be escaping unnoticed from malfunctioning fur naces appliances or other sources Early warning of fire requires the installa tion of smoke alarms CO Alarms are not a substitute for life insurance Though these CO Alarms warn against increasing CO levels BRK Brands Inc does not warrant or imply in any way that they will protect lives from CO poisoning Homeowners and renters must still insure their lives CO Alarms have a limited life Although the CO Alarm and all of its parts have passed many stringent tests and are designed to be as reliable as possi ble any of these parts could fail at any time Therefore you must test your CO Alarm weekly CO Alarms are not foolproof Like all other electronic devices CO Alarms have limitations They can only detect CO that reaches their sensors They may not give early warning to rising CO levels if the CO is coming from a remote part of the home away from the CO Alarm TROUBLESHOOTING GUIDE Green light is OFF Unit will not alarm when you press CO Alarms may not be plugged all the way in or is Gently push unit all the way into outlet the Test Silence button not receiving power Make sure it is not plugged into an outlet controlled by a switch Unit chirps about twice a mi
11. ed 120V AC wall outlet It is not intended for use in extension cords power strips or outlets controlled by a switch or dimmer These may not provide continuous power to the unit When fully powered it samples the air and takes a new reading about every second A microchip inside the unit stores each reading and remembers the levels of CO it has been exposed to over time The unit goes into alarm mode when it has been exposed to a critical level of CO measured in parts per million or ppm within a specified time measured in minutes This Carbon Monoxide Alarm features a permanently installed sensor three colored indicator lights and an 85dB alarm horn It also has a Silence Feature to temporarily quiet the alarm horn THE COVER OF YOUR CO ALARM Test Silence Button POWER Light Green SERVICE Light Yellow ALARM Light Red Air Vents Behind the Cover Alarm Horn 85dB audible alarm for test alarm and unit malfunction warning our wn E MALFUNCTION WARNING This unit performs self diagnostic tests approximately every second If the Alarm malfunctions it should be replaced immediately WHAT THE LIGHTS AND ALARM TONES MEAN During Power Up or After Power Outage TEST SILENCE TEST WEEKLY Green light ON Yellow amp red lights OFF Horn chirps once During Normal Operation Green light ON Yellow amp red lights OFF Horn silent During Normal Test XY TEST SILEN
12. eeping area e For added protection install an additional CO Alarm at least 20 feet 6 meters away from the furnace or fuel burning heat source In a Multi level Home e Install at least one CO Alarm near or within each separate sleeping area e For added protection install at least one CO Alarm on each level of the home If you have a basement install that CO Alarm at the top of the basement stairs e For added protection install an additional CO Alarm at least 20 feet 6 meters away from the furnace or fuel burning heat source AWARNING This unit does not work without power Choose an outlet where it can t be accidentally unplugged or switched off by children Keep small chil dren away from the unit Teach them not to play with it or unplug it Explain what the alarms mean WHERE CO ALARMS SHOULD NOT BE INSTALLED DO NOT LOCATE THIS CO ALARM e n garages kitchens furnace rooms or in any extremely dusty dirty or greasy areas e Closer than 20 feet from a furnace or other fuel burning heat source or fuel burning appliances like a water heater e Within 5 feet of any cooking appliance e In extremely humid areas This alarm should be at least 10 feet from a bath or shower sauna humidifier vaporizer dishwasher laundry room utility room or other source of high humidity e In areas where temperature is colder than 40 F 4 C or hotter than 100 F 38 C These areas include unconditioned crawl spaces un
13. eeps etc Press and hold the Test Silence button until the horn is silent The initial Silence cycle will last approximately 4 minutes NOTE After initial 4 minute Silence cycle the CO Alarm re evaluates present CO levels and responds accordingly If CO levels remain potentially dangerous or start rising higher the horn will start sounding again While the detector is silenced If the CO Alarm This means Is silent for only 4 minutes then CO levels are still potentially starts sounding loudly 4 beeps dangerous then a pause 4 beeps then a pause Red light continues flashing If the CO Alarm This means Remains silent Unit has returned to Only the green light is on normal operation TESTING AND MAINTENANCE WEEKLY TESTING AWARNING Test the CO Alarm once a week If the CO Alarm ever fails to test correct ly have it replaced immediately If the CO Alarm is not working properly it cannot alert you to a problem Push and hold the Test Silence button on the cover until a loud alarm sounds 4 beeps a pause then 4 beeps The alarm sequence should last for 5 6 seconds If the CO Alarm ever fails to test properly replace it immediately If the CO Alarm is not working properly refer to the Limited Warranty at the end of this manual AWARNING The Test Silence button is the only proper way to test the CO Alarm NEVER use vehicle exhaust Exhaust may cause permanent damage and voids your
14. finished attics uninsulated or poorly insulated ceilings porches and garages e In turbulent air like near ceiling fans heat vents air conditioners fresh air returns or open windows Blowing air may prevent CO from reaching the sensors e In direct sunlight e In outlets covered by curtains or other obstruction AWARNING This CO Alarm is designed for use inside a single family home or apart ment It is not meant to be used in common lobbies hallways or base ments of multi family buildings unless working CO Alarms are also installed in each family living unit CO Alarms in common areas may not be heard from inside individual family living units AWARNING This CO Alarm alone is not a suitable substitute for complete detection systems in places which house many people like hotels or dormitories unless a CO Alarm is also placed in each unit AWARNING DO NOT use this CO Alarm in warehouses industrial or commercial buildings special purpose non residential buildings RVs boats or air planes This CO Alarm is specifically designed for residential use and may not provide adequate protection in non residential applications HOW TO INSTALL YOUR CO ALARM AWARNING This CO Alarm cannot operate without continuous electricity It does not operate during a power failure Do not use in an extension cord or out let controlled by a dimmer or switch unit must have a constant power supply ACAUTION Leave your CO Alar
15. ich can trap exhaust close to the ground 4 Car idling in an open or closed attached garage or near a home These conditions are dangerous because they can trap exhaust in your home Since these conditions can come and go they are also hard to recreate during a CO investigation HOW CAN PROTECT MY FAMILY A CO Alarm is an excellent means of protection It monitors the air and sounds a loud alarm before carbon monoxide levels become threatening for average healthy adults ACO Alarm is not a substitute for proper maintenance of home appli ances To help prevent CO problems and reduce the risk of CO poisoning e Clean chimneys and flues yearly Keep them free of debris leaves and nests for proper air flow Also have a professional check for rust and cor rosion cracks or separations These conditions can prevent proper air movement and cause backdrafting Never cap or cover a chimney in any way that would block air flow e Test and maintain all fuel burning equipment annually Many local gas or oil companies and HVAC companies offer appliance inspections for a nominal fee e Make regular visual inspections of all fuel burning appliances Check appliances for excessive rust and scaling Also check the flame on the burner and pilot lights The flame should be blue A yellow flame means fuel is not being burned completely and CO may be present Keep the blower door on the furnace closed Use vents or fans when they are avai
16. lable on all fuel burning appliances Make sure appliances are vented to the outside Do not grill or barbecue indoors or in garages or on screen porches e Check for exhaust backflow from CO sources Check the draft hood on an operating furnace for a backdraft Look for cracks on furnace heat exchangers e Check the house or garage on the other side of shared wall e Keep windows and doors open slightly If you suspect that CO is escaping into your home open a window or a door Opening windows and doors can significantly decrease CO levels In addition familiarize yourself with all enclosed materials Read this manual in its entirety and make sure you understand what to do if your CO Alarm sounds UNDERWRITERS LABORATORIES INC UL2034 WHAT LEVELS OF CO CAUSE AN ALARM Underwriters Laboratories Inc UL2034 defines 3 specific alarm points by which all residential CO Alarms must alarm They are measured in parts per million ppm of CO over time in minutes UL2034 Required Alarm Points e If the alarm is exposed to 400 ppm of CO IT MUST ALARM BETWEEN 4 and 15 MINUTES e If the alarm is exposed to 150 ppm of CO IT MUST ALARM BETWEEN 10 and 50 MINUTES e If the alarm is exposed to 70 ppm of CO IT MUST ALARM BETWEEN 60 and 240 MINUTES Approximately 10 COHb exposure at levels of 15 to 95 Relative Humidity RH The unit is designed not to alarm when exposed to a constant level of 30 ppm for 30 days IMPORTANT
17. m plugged in year round CO problems can occur any time during the year and this alarm can only alert you if it is plugged in and receiving power 1 Plug the unit into a standard UNSWITCHED 120V AC outlet In horizontally or vertically positioned wall outlets mount unit with Test Silence button facing upward 2 Make sure green light shines when you plug in the unit It will shine contin uously when unit is receiving power The horn will chirp once during power up or when power is restored after an outage 3 Test by pressing the Test Silence button firmly until the unit sounds four loud beeps pause 4 beeps The sequence should last 5 6 seconds During testing the green yellow and red lights flash This is normal 4 While testing the unit have a family member check that the horn can be easily heard from the sleeping areas The unit should be located where it can wake you if it alarms at night 5 Find the pair of self adhesive labels included with this CO Alarm e On each label write in the phone number of your emergency responder like 911 and a qualified appliance technician e Place one label near the CO Alarm and the other label in the fresh air location you plan to go if the alarm sounds NOTE A qualified appliance technician is defined as a person firm corpora tion or company that either in person or through a representative is engaged in and responsible for the installation testing servicing o
18. n carbon monoxide alarms UL2034 According to Underwriters Laboratories Inc UL2034 Section 1 1 2 Carbon monoxide alarms covered by these requirements are intended to respond to the presence of carbon monoxide from sources such as but not limited to exhaust from internal combustion engines abnormal operation of fuel fired appliances and fireplaces CO Alarms are intended to alarm at carbon monoxide levels below those that could cause a loss of ability to react to the dangers of Carbon Monoxide exposure This CO Alarm monitors the air at the Alarm and is designed to alarm before CO levels become life threat ening This allows you precious time to leave the house and correct the problem This is only possible if Alarms are located installed and main tained as described in this manual Gas Detection at Typical Temperature and Humidity Ranges The CO Alarm is not formulated to detect CO levels below 30 ppm typically UL tested for false alarm resistance to Methane 500 ppm Butane 300 ppm Heptane 500 ppm Ethyl Acetate 200 ppm Isopropyl Alcohol 200 ppm and Carbon Dioxide 5000 ppm Values measure gas and vapor concentrations in parts per million Audible Alarm 85dB minimum at 10 feet GENERAL LIMITATIONS OF CO ALARMS This CO Alarm is intended for residential use It is not intended for use in industrial applications where Occupational Safety and Health Administration OSHA requirements for carbon monoxide detectors m
19. nute Green and Yellow Malfunction CO Alarm needs to be replaced Make sure unit is plugged in securely CO Alarms under warranty should be returned to manufacturer lights are ON Red light FLASHES for replacement See Limited Warranty for details CO Alarm goes back into alarm 4 minutes after you CO levels are still potentially dangerous Refer to If Your CO Alarm Sounds for details on press the Test Silence button how to respond to an alarm If anyone is feeling ill EVACUATE your home immediately CO Alarm sounds frequently even though no high lev The CO Alarm may be improperly located Refer to Relocate your Alarm If frequent alarms continue els of CO are revealed in an investigation Where to Install CO Alarms have home rechecked for potential CO problems You may be experiencing an intermittent CO problem If you have any questions that cannot be answered by reading this manual call Consumer Affairs at 1 800 323 9005 FIVE YEAR LIMITED WARRANTY Coverage BRK Brands Inc BRK the maker of First Alert brand products warrants that for a period of 5 years from the date of purchase this product will be free from defects in material and workmanship BRK at its option will repair or replace this product or any component of the product found to be defective during the warranty period Replacement will be made with a new or remanufactured product or component If the product is no longer available replacement m
20. or your convenience only and will not correct a CO problem Always check your home for a potential problem after any alarm Failure to do so can result in injury or death e This CO Alarm cannot operate without continuous electricity It does not operate during a power failure e NEVER ignore your Carbon Monoxide Alarm if it alarms Refer to If Your CO Alarm Sounds for more information Failure to do so can result in injury or death e Test the CO Alarm once a week If the CO Alarm ever fails to test correctly have it replaced immediately If the CO Alarm is not work ing properly it cannot alert you to a problem e This product is intended for use in ordinary indoor locations of family living units It is not designed to measure CO levels in compliance with Occupational Safety and Health Administration OSHA commer cial or industrial standards Individuals with medical conditions that may make them more sensitive to carbon monoxide may consider using warning devices which provide audible and visual signals for carbon monoxide concentrations under 30 ppm For additional infor mation on carbon monoxide and your medical condition contact your physician HOW YOUR CO ALARM WORKS GENERAL INFORMATION ACAUTION Leave your CO Alarm plugged in year round CO problems can occur any time during the year and this Alarm can only alert you if it is plugged in and receiving power This CO Alarm is intended for use in a standard unswitch
21. r replacement of heating ventilation air conditioning HVAC equipment combustion appliances and equipment and or gas fireplaces or other decorative combustion equipment IF YOUR CO ALARM SOUNDS Actuation of your CO alarm indicates the presence of carbon monoxide CO which can kill you In other words when your CO Alarm sounds you must not ignore it IF THE ALARM SIGNAL SOUNDS 1 Operate the Test Silence button 2 Call your emergency services fire department or 911 Write down the number of your local emergency service here 3 Immediately move to fresh air outdoors or by an open door or window Do a head count to check that all persons are accounted for Do not re enter the premises or move away from the open door or window until the emergency services responder has arrived the premises have been aired out and your CO Alarm remains in its normal condition 4 After following steps 1 3 if your CO Alarm reactivates within a 24 hour period repeat steps 1 3 and call a qualified appliance technician to inves tigate 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 equipment serviced immediately Note any combustion equipment not inspected by the technician and consult the manufacturers instructions or contact the manufacturers directly for more information about CO safety and this equipment M
22. rvice call POTENTIAL SOURCES OF CO IN THE HOME o O Fuel burning appliances like portable heater gas or wood burning fireplace gas kitchen range or cooktop gas clothes dryer Damaged or insufficient venting corroded or disconnected water heater vent pipe leaking chimney pipe or flue or cracked heat exchanger blocked or clogged chimney opening Improper use of appliance device operating a barbecue grill or vehicle in an enclosed area like a garage or screened porch Transient CO Problems transient or on again off again CO problems can be caused by outdoor conditions and other special circumstances The following conditions can result in transient CO situations 1 Excessive spillage or reverse venting of fuel appliances caused by outdoor conditions such as e Wind direction and or velocity including high gusty winds Heavy air in the vent pipes cold humid air with extended periods between cycles e Negative pressure differential resulting from the use of exhaust fans e Several appliances running at the same time competing for limited fresh air e Vent pipe connections vibrating loose from clothes dryers furnaces or water heaters e Obstructions in or unconventional vent pipe designs which can amplify the above situations 2 Extended operation of unvented fuel burning devices range oven fireplace 3 Temperature inversions wh
23. ust be met CO Alarms will not work without power This CO Alarm requires a continu ous supply of AC power Plug into an unswitched 120V AC outlet only This CO Alarm will not sense carbon monoxide that does not reach the sensor This CO Alarm will only sense CO at the sensor CO may be present in other areas Doors or other obstructions may affect the rate at which CO reaches the CO Alarm For this reason if bedroom doors are usually closed at night we recommend you install a CO Alarm in each bedroom and in the hall way between them CO Alarms may not sense CO on another level of the home For example a CO Alarm on the second level near the bedrooms may not sense CO in the basement For this reason one CO Alarm may not give adequate warning Complete coverage is recommended Place CO Alarms on each level of the home CO Alarms may not be heard The alarm horn loudness meets or exceeds current UL standards of 85 dB at 10 feet However if the CO Alarm is installed outside the bedroom it may not wake up a sound sleeper or one who has recently used drugs or has been drinking alcoholic beverages This is espe cially true if the door is closed or only partly open Even persons who are awake may not hear the alarm horn if the sound is blocked by distance or closed doors Noise from traffic stereo radio television air conditioner or other appliances may also prevent alert persons from hearing the alarm horn This CO Alarm is not intende
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