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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.
In general, install Carbon Monoxide Alarms:
Improper location can affect the sensitive electronic components in this Alarm. Please see "Where this Alarm Should Not Be Installed"
Recommended Placement
REQUIRED TO MEET NFPA RECOMMENDATIONS
SUGGESTED AREAS FOR INSTALLING ADDITIONAL CO ALARMS
NOTE: For any location, make sure no door or other obstruction could Keep carbon monoxide from reaching the Alarm.
TO AVOID CAUSING DAMAGE TO THE UNIT, TO PROVIDE OPTIMUM PROTECTION, AND TO PREVENT UNNECESSARY ALARMS, DO NOT LOCATE THIS ALARM:
AVOIDING DEAD AIR SPACES
"Dead air" spaces may prevent CO from reaching the Alarm. To avoid dead air spaces, stay at least 4 inches (102 mm) away from corners where walls or ceilings and walls meet.
Find the pair of sell-adhesive labels included with this CO Alarm.
Read all instructions before using this product. Tools you will need: Screwdriver, drill.
Activate the battery back-up by installing the two (2) AA batteries, The battery is for back-up only and is not intended to power the Alarm for an extended period of time in the absence of AC.
The Alarm will light-up the display briefly to indicate the unit is receiving power, Press and hold test button to ensure activation.
This Alarm can be plugged directly into a wall outlet located close to the floor.
IF OUTLET iS MOUNTED HORIZONTALLY (SIDEWAYS)
If you are going to use your Alarm as a direct plug into an outlet that is mounted horizontally (sideways), you may want to rotate the adapter 90°, as follows:
Installation tips for power cord models: The power card option provides more flexibility in mounting locations and allows the Alarm to be easily installed at or above eye level.
NOTE: If you mount the Alarm high on a wall. make sure it is at least 4 inches (102 mm) down from the сeiling. Any higher than this, it will be in "dead air" space and carbon monoxide may not reach the sensor.
NOTE: Do not cover the Alarm with a curtain.
To install for a wall-mount, you will need to pull out the removable adapter and power cord, as follows;
WHAT TO DO IF CARBON MONOXIDE IS DETECTED
Actuation oi your CO Alarm indicates the presence ot carbon monoxide (CO) which can kill you. In other words, when your CO Alarm sounds, you must not ignore it!
IF THE CO ALARM SOUNDS:
NEVER disconnect the power to your Alarm to silence the horn-use the Silence Feature. Disconnecting the Alarm removes your protection!
WHEN THE CO ALARM IS SILENCED...
The CO Alarm will remain silent for up to 4 minutes. While the Alarm is silenced, it will continue to monitor the air for CO. After 4 minutes, if CO levels remain potentially dangerous the horn will start sounding again.
The Silence Feature is intended to temporarily silence the Alarm horn. It will not correct a CO problem.
This Silence Feature can temporarily quiet the low battery warning "chirp" for up to 8 hours if AC power is present. You can silence the low battery warning "chirp" by pressing the Test/Silence button on the Alarm cover until you see the Green LED flicker, acknowledging the button-press.
The display will flash "SILENCE" for 8 hours while the low battery warning "chirp" silence feature is activated. After 8 hours, the low battery "chirp" will resume. The Alarm will continue to operate as long as AC power is supplied. However, replace the battery as soon as possible, to maintain protection in event of a power outage.
This silence feature can temporarily quiet the End of Life warning "chirp" for up to 2 days. You can silence the End of Life warning "chirp" by pressing the Test/Silence button. The horn will chirp, acknowledging that the End of Life feature has been activated.
After approximately 2 days, the End of Life "chirp" will resume.
The CO Memory Feature lets you check the highest level of CO recorded.
To check CO Memory:
To clear CO Memory:
NOTE: The highest CO level will be saved for 24 hours. DO NOT clear the CO Memory reading if you plan to call someone to investigate a CO problem! Clear the CO Memory reading only after the investigator has checked your home. If the investigator will not arrive within the 24 hour time period before the unit automatically resets, be sure to write down the peak level.
It is important to test this unit every week to make sure it is working properly.
Press the Test/Silence button on the Alarm cover until alarm sounds.
If the Alarm does not test properly:
If the Alarm is still not working properly, replace it immediately. Refer to the "Limited Warranty" at the end of this manual.
If there is still a problem, do not try to fix the Alarm yourself. This will void your warranty!
This unit has been designed to be as maintenance-free as possible, but there are a few simple things you must do to keep it working properly:
DO NOT spray cleaning chemicals or insect sprays directly on or near the Alarm.
DO NOT paint over the Alarm. Doing so may permanently damage the Alarm.
CHOOSING A REPLACEMENT BATTERY:
This CO Alarm requires two standard AA batteries. The following batteries are acceptable as replacements: Duracell MN1500. These batteries are available at many local retail stores.
Actual battery service life depends on the Alarm and the environment in which it is installed. All the batteries specified above are acceptable replacement batteries for this unit. Regardless of the manufacturer's suggested battery life, you MUST replace the battery immediately once the unit starts "chirping" (the "low battery warning").
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 maintained, are improperly ventilated, or 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.
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.
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 minimum 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 exposure, victims may be aware that they are not feeling well, but become disoriented 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!
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:
Because CO may dissipate by the time an investigator arrives, it may be difficult to locate the source of CO. BRK Brands, Inc. shall not be obligated to pay for any carbon monoxide investigation or service call.
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:
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.
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.
A CO Alarm is not a substitute for proper maintenance of home appliances.
To help prevent CO problems and reduce the risk of CO poisoning:
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.
CONDITION | LED | HORN | DISPLAY |
NORMAL AC POWER | LED is Green. | Silent | All segments of display are turned for a short time initial power. Then the battery level icon is displayed.![]() |
BATTERY BACK-UP POWER | Green LED is flashing once every 45 seconds. | Silent | Flashing battery icon. |
DURING TESTING | LED flashes Red in sync with the horn, simulating an Alarm condition. | The CO alarm horn pattern (4 beeps. pause. 4 beeps} is issued. | During the Simulated CC alarm. "CO" is displayed along with a full alarm level. Several ppm CO levels are also displayed and the alarm level is shown |
LOW OR MISSING BATTERY | Green LED on if AC power is present | A chirp is issued aboutevery minute. | Battery Icon will show either bar or an empty icon.![]() |
CARBON MONOXIDE ALARM | LED flashes Red in sync with horn | Repeating 4 beeps, pause | "CO" alternating with the core number, a full level, and "EVACUATE"![]() |
PRE-ALARM CONDITION CO IS PRESENT | Green power LED On if AC power is present | Silent | "CO" alternating with the ppm number. The level will indicate relative CO exposure level. |
MALFUNCTION SIGNAL | LED flashing Green 3 times in sync with 3 chirps | 3 chirps every minute | "Err" is displayed.![]() |
LOW BATTERY SILENCE | LED is Green. | Silent | "bat" and "SILENCE" are displayed.![]() |
END OF LIFE | LED flashing Green 5 times in sync with 5 chirps | 5 chirps every minute | "End" - is displayed,![]() |
Underwriters Laboratories Inc. Standard UL2034 requires residential CO Alarms to sound when exposed to levels of CO and exposure times as described below. They are measured in parts per million (ppm) of CO over time (in minutes).
UL2034 Required Alarm Points*:
* Approximately 10% CO-lb exposure at levels of 10% to 95% Relative Humidity (RH).
The unit is designed not to alarm when exposed to a constant level of 30 ppm for 30 days.
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.
Standards: Underwriters Laboratories Inc. Single and Multiple Station 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 threatening. This allows you precious time to leave the house and correct the problem. This is only possible if Alarms are located, installed, and maintained 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.
Audible Alarm: 85 dB minimum at 10 feet (3 meters).
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 Alarms must be met. This device is not intended to alert hearing impaired residents.
CO Alarms may not waken all individuals. If children or others do not readily waken to the sound of the CO Alarm, or if there are infants or family members with mobility limitations, make sure that someone is assigned to assist them in the event of an emergency
This CO Alarm will not sense CO that does not reach the sensors. It 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 sensors.
CO Alarms may not be heard. The alarm horn loudness meets or exceeds current UL standards of 85 dB at 10 feet (3 meters). 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 especially 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 intended for people who are hearing impaired.
This CO Alarm is not a substitute for life insurance. Though this CO Alarm warns against increasing CO levels, BRK Brands, Inc. does not warrant or imply in any way that they will protect lives. Homeowners and renters must still insure their lives.
This CO Alarm is not foolproof. Like all other electronic devices, this CO Alarm has limitations. It can only detect CO that reaches the sensors. It may not give early warning if the source of CO is in a remote part of the home, away from the alarm device.
This CO Alarm has a limited life. Although this CO Alarm and all of its parts have passed many stringent tests and are designed to be as reliable as possible, any of these parts could fail at any time. Therefore, you must test this device weekly. The unit should be replaced immediately if it is not operating properly.
IF YOUR ALARM DOES THIS... | IT MEANS... | YOU SHOULD... |
Green light is OFF. Unit will not alarm when you press the Test/Silence button. | Unit may not be receiving any power | Check the AC power supply. Make sure fresh batteries are installed to power the battery back-up*, |
Green light flashes ON, once a minute (horn is silent). | Alarm is not receiving AC power. Unit is operating on battery back-up | Check the AC power supply. |
The horn chirps once a minute | Low-battery warning, Battery is missing, | Replace the battery, Avoid interrupting AC power. |
Once a minute, the alarm sounds 3 "chirps" and the Green light flashes three times. | MALFUNCTION SIGNAL. Based on its Self Test diagnostics, the unit has detected a malfunction. The unit needs to be replaced. | Units under warranty should be returned to manufacturer for replacement. See 'Limited Warranty" for details. |
The light flashes (Green) and the horn sounds 5 "chirps" every minute | END OF LIFE SIGNAL. CO Alarm needs to be replaced. | Immediately replace the CO Alarm. |
The horn sounds constantly with no pattern and cannot be silenced. | Unit malfunction. Unit needs to be replaced. | Units under warranty should be returned to manufacturer for replacement. See "Limited Warranty" for details. |
Alarm goes back into alarm after you pressed the Test/Silence button. | CO levels are still potentially dangerous. | Refer to "If Your Unit Sounds" for details on how to respond to an alarm. If anyone is feeling ill, EVACUATE your home immediately and call 911. |
Alarm sounds frequently even though no high levels of CO are revealed in an investigation | The Alarm may be improperly located. Refer to "Where to Install This Alarm." | Relocate your alarm. If frequent alarms continue, have home rechecked for potential problems. You may be experiencing an intermittent CO problem. |
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. To assist us in serving you, please have the model number and date of purchase available when calling.
For Warranty Service return to: 1301 Joe Battle, El Paso. TX 79936
Consumer Affairs:
(800) 323-9005
www.firstalert.com
www.brkelectronics.com
The alarm will also provide an audible End-of-Life Signal approximately 7 years after installation to remind you to replace the unit.
The End-of-Life Signal can be silenced for up to 2 days. Do not unplug the alarm or remove the batteries until you get replacement.
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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