First Alert GCO1 Explosive Gas & Carbon Monoxide Alarm Manual
INTRODUCTION FIRE SAFETY TIPS
Follow safety rules and prevent hazardous situations:
- Use smoking materials properly. Never smoke in bed.
- Keep matches or lighters away from children;
- Store flammable materials in proper containers;
- Keep electrical appliances in good condition and don’t overload electrical circuits;
- Keep stoves, barbecue grills, fireplaces, and chimneys grease- and debris-free;
- Never leave anything cooking on the stove unattended;
- Keep portable heaters and open flames, like candles, away from flammable materials;
- Don’t let rubbish accumulate. Keep alarms clean, and test them weekly. Replace alarms immediately if they are not working properly. Smoke Alarms that do not work cannot alert you to a fire.
Cautions
- This combination Smoke/Carbon Monoxide Alarm has two separate alarms. Carbon monoxide gas may be present in other areas. The Smoke Alarm will only indicate the presence of smoke that reaches the sensor.
Warning
- This Smoke/CO Alarm cannot operate without working batteries. Removing the batteries for any reason, or failing to replace the batteries at the end of their service life, removes your protection.
- NEVER ignore any alarm. See “If Your Smoke/CO Alarm Sounds” for more information on how to respond to an alarm. Failure to respond can result in injury or death.
- The Silence Features are for your convenience only and will not correct a problem. See “Using the Silence Features” for details. Always check your home for a potential problem after any alarm. If the Alarm ever fails to test correctly, have it replaced immediately! If the Alarm is not working properly, it cannot alert you to a problem.
- Individuals with medical conditions that may make them more sensitive to carbon monoxide may consider using warning devices that provide audible and visual signals for carbon monoxide concentrations under 30 ppm. For additional information on carbon monoxide and your medical condition contact your physician.
INSTALLATION
WHERE TO INSTALL THIS ALARM
For Gas Alarms, mounting depends on the type of explosive gas you intend to detect. If you do not live in a rural area you are likely to be a user of natural gas. Natural gas is a fossil fuel consisting mainly of Methane.
Improper location can affect the sensitive electronic components in this Alarm.
Recommended Placement
To avoid causing damage to the unit, to provide optimum protection, and to prevent unnecessary alarms, Do NOT locate this Alarm:
- In garages, kitchens, crawl spaces, and unfinished attics. Avoid extremely dusty, dirty, or greasy areas.
- In the garage, vehicle exhaust can contain some carbon monoxide.
- Within hours of starting a vehicle and backing it out of the garage, the levels present over time can activate the Alarm and become a nuisance.
Continued
- In the kitchen, some gas appliances can emit a short burst of CO or gas upon start-up. This is normal.
- In extremely humid areas.
- In direct sunlight.
BEFORE YOU BEGIN THE INSTALLATION
If you are not certain which type of gas you are using in your home, please read about natural gas and propane in “Where to Install this Alarm”.
Find the pair of self-adhesive labels included with this Gas/CO Alarm.
- On each label write in the phone number of your emergency responder (like 911) and a qualified appliance technician.
- Place one label near the Gas/CO Alarm, and the other label in the “fresh air” location you plan to go if the alarm sounds.
HOW TO INSTALL THIS GAS/CO ALARM
IMPORTANT!
Tools you will need: Screwdriver, drill.
- Determine the best location for your Gas/CO Alarm.
HOW YOUR ALARM WORKS
- Test/Silence Button: Press and hold to activate the test, or to silence the alarm.
- POWER Light (GREEN)
- Display
- (Behind the Cover) Alarm Horn: 85 dB audible alarm for test, alarm, and unit malfunction warning.
- Display Button: Press to recall the highest CO level recorded
- Battery Compartment
USING THE SILENCE FEATURES
NEVER disconnect the power to your Alarm to silence the horn—use the Silence Feature. Disconnecting the Alarm removes your protection!
When the GAS Alarm is silenced…
If the gas has not cleared within the silence period, the unit will go back into alarm. The CO Alarm will remain silent for up to 4 minutes.
SILENCING THE LOW BATTERY WARNING
This Silence Feature can temporarily quiet the low battery warning “chirp” for up to 8 hours if AC power is present. After 8 hours, the low battery “chirp” will resume.
USING THE PEAK CO MEMORY
The CO Memory Feature lets you check the highest level of CO recorded.
- Automatically resets after 24 hours.
- Remove all power; unplug the Alarm and remove the battery.
UNDERSTANDING THE LIGHT, HORN, AND DISPLAY PATTERNS
Condition | LED | Horn | Display | |
NORMAL AC POWER | LED is Green | Silent | All segments of display are turned on for a short time upon initial power. Then the battery level icon is displayed. | |
BATTERY BACK-UP POWER | LED is Off, flashing Green once every 45 seconds | Silent | All segments of display are turned On for a short time upon initial power. Then the battery level icon is displayed flashing. | |
DURING TESTING | LED flashes Red in sync with the horn, simulating an Alarm condition: first gas then CO | First, the horn pattern for gas alarm (1 beep every second) is issued, and then the CO alarm horn pattern (4 beeps, pause, 4 beeps) is issued. | During the simulated gas alarm, “GAS” is displayed along with a full alarm level. During the simulated CO alarm, “CO” is displayed along with a full alarm level. Several ppm CO levels are also displayed and the alarm level is shown increasing.
| |
LOW OR MISSING BATTERY | Normal | A chirp is issued about every minute. | Battery icon will show either 1 bar or an empty icon. | |
GAS ALARM CONDITION | LED flashes Red in sync with horn | Repeating 1 beep every second | “GAS”, a full level, and “EVACUATE” | |
CARBON MONOXIDE ALARM | LED flashes Red in sync with horn | Repeating 4 beeps, pause | “CO” alternating with the ppm number, a full level, and “EVACUATE”. | |
PRE-ALARM CONDITION CO IS PRESENT | Normal | Normal | “CO” alternating with the ppm number. The level will indicate the relative CO exposure level. | |
MALFUNCTION | 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. |
REGULAR MAINTENANCE
- Relocate the unit if it sounds like frequent unwanted alarms. You should replace the battery immediately to continue your protection. This Alarm must have AC or battery power to operate. If AC power fails, and the battery is dead or missing, the Alarm cannot operate.
POTENTIAL SOURCES OF CO IN THE HOME
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, 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).
- Wind direction and/or velocity, including high, gusty winds. Heavy air in the vent pipes (cold/humid air with extended periods between cycles).
- Negative pressure differential resulting from the use of exhaust fans.
- Vent pipe connections vibrate loose from clothes dryers, furnaces, or water heaters.
- Obstructions in or unconventional vent pipe designs that can amplify the above situations.
- Extended operation of unvented fuel-burning devices (range, oven, fireplace).
- Temperature inversions, which can trap exhaust close to the ground.
- Car idling in an open or closed attached garage or near a home.
TROUBLESHOOTING GUIDE
vvTROUBLESHOOTING GUIDE | ||
If your Alarm does this… | ,ItmeanIs… t means… | You should… |
Green light is OFF. | Unit may not be receiving any power. | Check the AC power supply. Make sure a fresh 9V battery is installed to power the battery back-up. |
Alarm is not receiving AC power. Unit is operating on battery back-up. | Check the AC power supply. | |
Low battery warning. Battery is low or missing. | Replace the battery. Avoid interrupting AC power. | |
Vincea 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. The alarm needs to be replaced | Immediately replace the Alarm. |
The horn sounds constantly with no pattern and cannot be silenced, | Unit malfunction. | Units under warranty should be returned to manufacturer for replacement. See “Limited Warranty” for details. |
The alarm goes back into the alarm after you pressed the Test/Silence button to silence the alarm. | Refer to “If Your Gas/CO Alarm Sounds” for details on how to respond to an alarm. If anyone is feeling ill, EVACUATE your home immediately and call 911. | |
Relocate your alarm. If frequent alarms continue, have home rechecked for potential problems. You may be experiencing an intermittent gas or CO problem. | ||
LIMITED WARRANTY
BRK Brands, Inc., (“BRK”) the maker of First Alert® brand products warrants that for a period of seven years from the date of purchase, this product will be free from defects in material and workmanship. This is your exclusive warranty. This warranty is valid for the original retail purchaser from the date of the initial retail purchase and is not transferable.
Keep the original sales receipt. BRK dealers, service centers, or retail stores selling BRK products do not have the right to alter, modify or in any way change the terms and conditions of this warranty.BRK shall not be liable for any incidental or consequential damages caused by the breach of any express or implied warranty.
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First Alert GCO1 Explosive Gas & Carbon Monoxide Alarm Manual