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 maintained, are improperly ventilated, or malfunction, CO levels can rise quickly. CO is a real danger now that homes are more energy efficient.
Symptoms of CO poisoning
The following symptoms are related to CARBON MONOXIDE POISONING and are to be discussed with ALL members of the household:
1.Mild Exposure: Slight headache, nausea, vomiting, fatigue (often described as
2.Medium Exposure: Severe throbbing headache, drowsiness, confusion, fast heart rate.
3.Extreme Exposure: Unconsciousness, convulsions, cardiorespiratory failure, death.
4.Many cases of reported CARBON MONOXIDE POISONING indicate that while victims are aware they are not well, they become so disoriented they are unable to save themselves by either exiting the building or calling for assistance. Young children and household pets are typically the first affected.
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:
•House well ventilated before the investigator arrives.
•Problem caused by “backdrafting.”
•Transient CO problem caused by special circumstances.
Because CO may dissipate by the time an investigator arrives, it may be difficult to locate the source of CO. John Lewis shall not be obligated to pay for any carbon monoxide investigation or service call.
Potential sources of
CO in the home
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
The following conditions can result in transient CO situations:
1.Excessive spillage or reverse venting of fuel appliances caused by outdoor conditions such as:
•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.
•Several appliances running at the same time competing for limited fresh air.
•Vent pipe connections vibrating loose from clothes dryers, boilers, or water heaters.
•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, which 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 I protect my family from CO poisoning?
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:
• 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 corrosion, 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. |
• Test and maintain all |
of gas appliances, this must be a CORGI registered installer. Many |
local gas or oil companies and heating companies offer appliance |
Regulatory information for CO alarms, continued
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 a doctor immediately!
Standards: Underwriters Laboratories Inc. Single and Multiple Station arbon monoxide alarms UL2034.
According to Underwriters Laboratories Inc. UL2034, Section
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 concen- trations in parts per million.
Audible Alarm: 85 dB minimum at 3 metres (10 feet).
Regulatory information for smoke alarms
For your information, the National Fire Alarm Code, NFPA 72, reads as follows: 11.5.1 *Required Detection.
1.*In all sleeping rooms and guest rooms.
2.*Outside of each separate dwelling unit sleeping area, within 6.4 m (21 ft) of any door to a sleeping room, the distance measured along a path of travel.
3.On every level of a dwelling unit, including basements.
4.On every level of a residential board and care occupancy (small facility), including basements and excluding crawl spaces and unfinished attics.
5.*In the living area(s) of a guest suite.
6.In the living area(s) of a residential board and care occupancy.
British standards (BSI) recommendations
BS 5839 part 6 (Code of practice for the design and installation of fire detection and alarm systems in dwellings)
Smoke Alarms shall be installed in all circulation spaces (normally hallways and staircases) that form part of escape routes, one on every level, and in all rooms and areas that present a high fire risk. Additionally, Smoke Alarms should also be installed between the sleeping area(s) and the most likely sources of fire (living room and kitchen).
If there are long hallways, corridors, or protected rooms or areas over 7.5 metres (25 feet) from the nearest unit, the installation of additional Smoke Alarms may be necessary. Roof voids containing stored combustibles or sources of ignition may also warrant the installation of additional Smoke Alarms.
The installation of Smoke Alarms in kitchens, toilets, bathrooms or shower rooms is not recommended, as these locations occasionally experience conditions that can result in improper operation.
More specifically, install smoke alarms:
•Where temperatures normally remain between 4.4˚C (40˚F) and
37.8˚C (100˚F).
•On every level of your home, including finished lofts.
•Inside every bedroom, especially if people sleep with doors closed.
•In the hall near every sleeping area. If your home has multiple sleeping areas, install a unit in each. If a hall is over 7.5 metres (25 feet) long, install an alarm at each end.
•At the top of the
Specific requirements for Smoke Alarm installation may vary from region to region. Check with your local Fire Brigade and Building Control for current requirements in your area.
Recommended locations for smoke alarms
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About smoke alarms
Battery (DC) powered smoke alarms: Provide protection even when electricity fails, provided the batteries are fresh and correctly installed. Units are easy to install, and do not require professional installation. May also be interconnected, model dependent, so if one unit senses smoke, all units alarm.
Mains (AC) powered smoke alarms: Can be interconnected so if one unit senses smoke, all units alarm.They do not operate if electricity fails. Mains (AC) with battery (DC)
All these Smoke Alarms are designed to provide early warning of fires if located, installed and cared for as described in the user’s manual, and if smoke reaches them. If you are unsure which type of Smoke Alarm to install, refer to British Standard (BS) 5839 Part 6 and 5588 Part 1. BSI, 389 Chiswick High Road, London,W4 4AL, UK. Local building regulations may also require specific units in new construction or in different areas of the home.
Special compliance considerations
Special compliance considerations, continued
It is not a suitable substitute for complete fire detection systems in ware- houses, industrial facilities, commercial buildings, and
The following information applies to all four building types below:
In new construction, most building regulations require the use of mains (AC) or mains powered with integral standby supply (AC/DC) Smoke Alarms only. In existing construction, mains powered (AC), mains powered with integral standby supply (AC/DC), or battery (DC) powered Smoke Alarms can be used as specified by local building regulations. Refer to British Standard BS 5839 Part 6 and BS 5588 Part 1, local buildings regula- tions, or consult your Fire Brigade for detailed fire protection requirements in buildings not defined as “dwellings.”
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3.Institutions: Hospitals, day care facilities,
4.Hotels and motels:Also hostels, inns, boarding houses and sheltered housing.This Smoke Alarm may be suitable for use inside individual sleeping/ resident rooms, provided a primary fire detection system already exists to meet fire detection requirements in common areas like foyers, hallways, corridors, or porches. Using this Smoke Alarm in common areas may not provide sufficient warning to all residents or meet local fire protection
General limitations of smoke/CO alarms
This Smoke/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.The Smoke Alarm portion of this device is not intended to alert hearing impaired residents. Special purpose Smoke Alarms should be installed for hearing impaired residents (CO Alarms are not yet available for the hearing impaired).
Smoke/CO Alarms may not waken all individuals. Practice the escape plan at least twice a year, making sure that everyone is involved – from kids to grandparents. Allow children to master fire escape planning and practice before holding a fire drill at night when they are sleeping. If children or others do not readily waken to the sound of the Smoke/CO Alarm, or if there are infants or family members with mobility limitations, make sure that someone is assigned to assist them in fire drill and in the event of an emergency. It is recommended that you hold a fire drill while family members are sleeping in order to determine their response to the sound of the Smoke/CO Alarm while sleeping and to determine whether they may need assistance in the event of an emergency.
Smoke/CO Alarms cannot work without power. Battery operated units cannot work if the batteries are missing, disconnected or dead, if the wrong type of batteries are used, or if the batteries are not installed correctly. AC units cannot work if the AC power is cut off for any reason (open fuse or circuit breaker, failure along an electrical main or at a power station, electrical fire that burns the electrical wires, etc.). If you are concerned about the limitations of battery or AC power, install both types of units.
Smoke/CO Alarms cannot sense smoke or CO that does not reach the sensors. Smoke or CO from fires in chimneys or walls, on roofs, or on the other side of closed doors may not reach the sensing chamber and set off the alarm.That is why one unit should be installed inside each bedroom or sleeping
Smoke/CO Alarms may not detect smoke or CO on another floor or area of the home. For example, a
Smoke/CO Alarms may not be heard.Though the alarm horn in this unit meets or exceeds current Standards, it may not be heard if: 1) the unit is located outside a closed or partially closed door, 2) residents recently consumed alcohol or drugs, 3) the alarm is drowned out by noise from stereo,TV, traffic, air conditioner or other appliances, 4) residents are hear- ing impaired or sound sleepers. Special purpose units, like those with visual and audible alarms, etc. should be installed for hearing impaired residents.
The Alarm may not have time to alarm before the fire itself causes damage, injury, or death, since smoke from some fires may not reach the unit immediately. Examples of this include children playing with matches, fires caused by violent explosions resulting from escaping gas or fires where the victim is in contact with burning materials such as a mattress.
Smoke/CO Alarms are not foolproof. Like any electronic device, Smoke/CO Alarms are made of components that can wear out or fail at any time. You must test the unit weekly to ensure your continued protection. Smoke/CO Alarms cannot prevent or extinguish fires.They are not a substitute for property or life insurance.
Combination carbon monoxide and smoke alarm
Instruction manual
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Table of contents |
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Introduction | . .1 |
Safety Tips | . .1 |
Basic Safety Information | . .1 |
Installation | |
Where to Install This Alarm | |
Where This Alarm Should NOT Be Installed | . .2 |
How to Install This Alarm | . .3 |
Weekly Testing | . .3 |
Optional Locking Features | |
Regular Maintenance | . .4 |
If Your Smoke/CO Alarm Sounds | . .4 |
What To Do | . .4 |
If the CO Alarm Sounds | . .4 |
If the Smoke Alarm Sounds | . .4 |
Using the Silence Feature | . .4 |
What You Need To Know About CO | . .5 |
What is CO? | . .5 |
Symptoms of CO Poisoning | . .5 |
Finding the Source of CO After an Alarm | . .5 |
Potential Sources of CO in the Home . . . . . . . . . . . . . . . . . . . . . . . .5 How Can I Protect My Family From CO Poisoning? . . . . . . . . . . . . . . . . .5 Regulatory Information For Smoke/CO
Special Compliance
General Limitations of Smoke/CO Alarms | 7 |
Limited Guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
John Lewis Partnership
171 Victoria Street
London SW1E 5NN
www.johnlewis.com
The smoke alarm component of this product conforms to regulatory requirements, including UL217 and is designed to detect particles of combustion. Smoke particles of varying number and size are produced in all fires.
Ionization technology is generally more sensitive than photoelectric technology at detecting small particles, which tend to be produced in greater amounts by flaming fires, which consume combustible
materials rapidly and spread quickly. Sources of these fires may include paper burning in a wastebasket, or a grease fire in the kitchen.
Photoelectric technology is generally more sensitive than ionization technology at detecting large particles, which tend to be produced in greater amounts by smoldering fires, which may smolder for
hours before bursting into flame. Sources of these fires may include cigarettes burning in couches or bedding.
Introduction
Important safety information
It is most important this instruction book be retained with the appliance for future reference.These warning have been provided in the interest of safety.You MUST read them carefully before using the appliance. If you are unsure of the meanings of these warnings contact the John Lewis branch from which you purchased the appliance.
Safety tips
Follow safety rules and prevent hazardous situations: 1) Use smoking materials properly. Never smoke in bed. 2) Keep matches or lighters away from children; 3) Store flammable materials in proper containers; 4) Keep electrical appliances in good condition and don’t overload mains circuits;
5)Keep cookers, barbecue grills, fireplaces and chimneys grease- and
7)Keep portable heaters and open flames, like candles, away from flamma- ble materials; 8) 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. Keep at least one working fire extinguisher on every floor, and an additional one in the kitchen along with a fire blanket. Have fire escape ladders or other reliable means of escape from an upper floor
Where to install this alarm, continued
More specifically, install combination Smoke/CO Alarms:
•Where temperatures normally remain between 4.4˚C (40˚F) and
37.8˚C (100˚F).
•On every level of your home, including finished lofts.
•Inside every bedroom, especially if people sleep with doors closed.
•In the hall near every sleeping area. If your home has multiple sleeping areas, install a unit in each. If a hall is over 7.5 metres (25 feet) long, install an alarm at each end.
•At the top of the
This equipment should be installed in accordance with the National Fire Protection Association’s Standard 72 (Batterymarch Park, Quincy, MA 02269). Specific requirements for Smoke/CO Alarm installation may vary from region to region. Check with your local Fire Brigade and Building Control for current requirements in your area.
Recommended Placement |
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Combination carbon monoxide and smoke alarms
For added protection
•When installing on the wall, the top edge of Smoke/CO Alarms should be placed between 102 mm (4 inches) and 305 mm (12 inches) from the wall/ceiling line.
•When installing on the ceiling, place the alarm as close to the center as possible.
•In either case, install at least 102 mm (4 inches) from where the wall and ceiling meet. See “Avoiding Dead Air Spaces” for more information.
NOTE: For any location, make sure no door or other obstruction could keep carbon monoxide or smoke from reaching the Alarm.
Where this alarm should NOT be installed
Do NOT locate this Smoke/CO Alarm:
•In garages, kitchens, boiler rooms, crawl spaces and unfinished lofts. Avoid extremely dusty, dirty or greasy areas.
•Where combustion particles are produced. Combustion particles form when something burns. Areas to avoid include poorly ventilated kitchens, garages, and boiler rooms. Keep units at least 6 metres (20 feet) from the sources of combustion particles (cooker, boiler, water heater, space heater) if possible. In areas where a
•Within 1.5 metres (5 feet) of any cooking appliance. In air streams near kitchens. Air currents can draw cooking smoke into the smoke sensor and cause unwanted alarms.
•In extremely humid areas.This Alarm should be at least 3 metres (10 feet) from a shower, sauna, humidifier, vaporizer, dishwasher, laundry room, utility room, or other source of high humidity.
•In direct sunlight.
•In turbulent air, like near ceiling fans or open windows. Blowing air may prevent CO or smoke from reaching the sensors.
•In areas where temperature is colder than 4.4˚C (40˚F) or hotter than 37.8˚C (100˚F).These areas include
•In insect infested areas. Insects can clog the openings to the sensing chamber.
•Less than 305 mm (12 inches) away from fluorescent lights. Electrical “noise” can interfere with the sensor.
•In “dead air” spaces. See “Avoiding Dead Air Spaces”.
Avoiding dead air spaces
“Dead air” spaces may prevent smoke from reaching the Smoke/CO Alarm. To avoid dead air spaces, follow installation recommendations below.
On ceilings, install Smoke/CO Alarms as close to the center of the ceiling as possible. If this is not possible, install the Smoke/CO Alarm at least 102 mm (4 inches) from the wall or corner.
For wall mounting (if allowed by building codes), the top edge of Smoke/ CO Alarms should be placed between 150 mm (6 inches) and 305 mm (12 inches) from the wall/ceiling line, below typical “dead air” spaces.
On a peaked, gabled, or cathedral ceiling, install first Smoke/CO Alarm within 0.9 metres (3 feet) of the peak of the ceiling, measured horizontally. Additional Smoke/CO Alarms may be required depending on the length, angle, etc. of the ceiling's slope. Refer to BS 5839 Part 6, 5588 Part 1 and local building regulations for details on requirements for sloped or peaked ceilings.
HOW TO INSTALL THIS ALARM
This combination Smoke/CO Alarm was designed to be mounted on the ceiling or wall. It is not a tabletop device.You must install this device on the ceiling or wall as outlined below. Read “Where To Install This Alarm” before starting.
PARTS OF THIS SMOKE/CO ALARM
1 Test/Silence Button
2 Battery Compartment
3 Power/Smoke Alarm LED
4 CO Alarm LED
Tools you will need: pencil, drill with 5mm (3/16”) drill bit, flathead screwdriver, hammer.
•Do not connect this unit to any other alarm or auxiliary device. It is a
•Do not install this unit over mains cables or holes into the ceiling. Air currents will prevent smoke from reaching the sensing chamber and prevent the unit from alarming. Only AC powered units are intended for installation over mains cables.
If you want to lock the battery compartment, or lock the Smoke/CO Alarm to the mounting bracket, please read the “Optional Locking Features” section.
1.Hold base firmly and twist the mounting bracket counterclockwise (left) to separate it from the unit.
2.Hold the mounting bracket against the ceiling (or wall) so the vertical mounting slot is aligned in the 12 o’clock position and trace around the inside of the mounting slots (vertical and horizontal mounting).
3.Put the unit where it won’t get covered with dust when you drill the mounting holes.
4.Using a 5 mm
5.Insert the plastic screw anchors into the holes.Tap the screw anchors gently with a hammer, if necessary, until they are flush with the ceiling or wall.
6.Line the mounting bracket up over the plastic screw anchors.
7.Screw the mounting bracket to the ceiling or wall through the mount- ing slots using the two screws provided.
8.Before attaching the Alarm to
the bracket, insert the two (2)
AA batteries (included) into the 
battery compartment. Match 
the terminals on the end of the 
battery with the terminals on 
the unit. Match “+” to “+” and 
fully inserted, the unit cannot 
receive battery power.
NOTE:The unit may beep briefly when you install the batteries.This is normal.The GREEN Light flashes about every 60 seconds when the unit is receiving battery power.
The battery door will resist closing unless batteries are installed.This warns you the unit will not operate without batteries.
9. Attach the Smoke/CO Alarm to the
mounting bracket. Line up the guides on the alarm’s base with the guides on the mounting bracket.When guides are lined up, turn the base clockwise (right) until it snaps into place.
NOTE: Once the Smoke/CO Alarm is snapped onto the mounting bracket, you can rotate the Smoke/CO Alarm to adjust the alignment.
10. Test the Smoke/CO Alarm. See “Weekly Testing” for details.
WEEKLY TESTING
•NEVER use an open flame of any kind to test this unit.You might accidentally damage or set fire to the unit or to your home. The
•DO NOT stand close to the Alarm when the horn is sounding. Exposure at close range may be harmful to your hearing. When testing, step away when horn starts sounding.
It is important to test this unit every week to make sure it is working properly. Using the test button is the recommended way to test this Smoke/CO Alarm.
Push and hold the Test/Silence button
•The Alarm horn will sound 3 beeps, pause, 3 beeps.The Power/Smoke LED flashes Red and the CO LED will be Off.
•Next the horn will sound 4 beeps, pause, 4 beeps.The Power/Smoke LED will be Off and the CO LED flashes Red.
If the unit does not alarm, make sure the batteries are correctly installed, and test again. If the unit still does not alarm, replace it immediately.
Regular maintenance
This unit has been designed to be as
Use only the replacement batteries listed below.The unit may not operate properly with other batteries. Never use rechargeable batteries since they may not provide a constant charge.
•Test it at least once a week.
•Clean the Smoke/CO Alarm at least once a month; gently vacuum the outside of the Smoke/CO Alarm using your household vacuum’s soft brush attachment. A can of clean compressed air (sold at computer or office supply stores) may also be used. Follow manufacturer instructions for use.Test the Smoke/CO Alarm. Never use water, cleaners or solvents since they may damage the unit.
•If the Smoke/CO Alarm becomes contaminated by excessive dirt, dust and/or grime, and cannot be cleaned to avoid unwanted alarms, replace the unit immediately.
•Relocate the unit if it sounds frequent unwanted alarms. See “Where This Alarm Should Not Be Installed” for details.
Choosing a replacement battery:
Your smoke/CO Alarm requires two AA Energizer E91 batteries. These are commonly available at local retail stores.
Actual battery service life depends on the Smoke/CO Alarm and the environment in which it is installed. All the batteries specified above are acceptable replacement batteries for this unit. Regardless of the manufactur- er’s suggested battery life, you MUST replace the battery immediately once the unit starts “chirping” (the “low battery warning”).
To replace the batteries (without removing
Alarm from the ceiling or wall): 1. Open the battery compartment.
2. | Press tabs A and B as shown in the diagram |
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3. | Insert the new batteries, making sure |
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| the ends of the batteries with the terminals |
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4. Close the battery compartment, and then test the unit by pressing the Test/Silence button.
If your smoke/CO alarm sounds
What to do
Type of alarm | What you see and hear |
Carbon Monoxide (CO) | CO LED: Flashing RED |
| Horn: 4 beeps, pause, 4 beeps, pause |
| Power/Smoke LED: Off |
Smoke | Power/Smoke LED: Flashing RED |
| Horn: 3 beeps, pause, 3 beeps, pause |
| CO LED: Off |
If the CO alarm sounds
If you hear the alarm horn sound 4 beeps, pause, 4 beeps, pause and the
RED CO light is flashing, move everyone to a source of fresh air.
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 CO alarm signal sounds:
1.Operate the Test/Silence button.
2.Call your emergency services or Fire Brigade (like 999 in the UK or 112 in Europe).Write down the number of your local emergency service here:
_________________________________________________________
3.Immediately move to fresh
4.After following steps
_________________________________________________________
If the smoke alarm sounds
Responding to an alarm
If you hear the alarm horn sound 3 beeps, pause, 3 beeps, pause and
the RED SMOKE light is flashing, smoke has been detected.
Evacuate everyone from the building.
• If the unit alarms and you are not testing the unit, it is warning you |
maintenance and inspection contracts.When service technicians/ |
engineers come to service your heating and cooking appliances, |
ensure the following checks are carried out if you are unable to do |
them yourself. |
• Make regular visual inspections of all |
This Smoke Alarm alone is not a suitable substitute for complete fire detection
systems in places housing many
routes), hotels, motels, hostels, inns, hospitals,
nursing homes, day care facilities, boarding houses or sheltered housing of any | |
Continued... | |
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Smoke/CO Alarms have a limited life.The unit should be replaced immediately if it is not operating properly. Smoke alarms are not to be used with detector guards unless the combination has been evaluated and found suitable for that purpose. Write the purchase date on the user’s manual and keep in a safe place for future reference.
in case stairs are blocked.
Basic safety information
• Dangers,Warnings, and Cautions alert you to important operating |
OPTIONAL LOCKING FEATURES
The optional locking features are designed to discourage unauthorized removal of the batteries or Alarm. It is not necessary to activate the locks in
This Smoke/CO Alarm has two separate locking features: one to lock the battery compartment, and the other to lock the
of a potentially dangerous situation that requires your immediate |
attention. NEVER ignore any alarm. Ignoring the alarm may result in |
injury or death. |
• Never remove the batteries from a battery operated Smoke/CO |
Alarm to stop an unwanted alarm (caused by cooking smoke, etc.). |
Removing batteries disables the alarm so it cannot sense smoke, |
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 boiler closed. Use vents or fans when |
they are available on all |
ances are vented to the outside. Do not grill or barbecue indoors, |
or in garages or on screen porches. |
• Check for exhaust backflow from CO sources. Check the draft |
Troubleshooting guide
If the alarm... | Problem... | You should... |
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The light flashes (RED) and the horn sounds | END OF LIFE SIGNAL. | Immediately replace the Alarm. |
5 "chirps" every minute. | Alarm needs to be replaced. |
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Horn "chirps" about once per minute. | Low battery warning. | Install two new AA batteries. |
| instructions or to potentially hazardous situations. Pay special | |
| attention to these items. | |
• | This Smoke/CO Alarm is approved for use in | |
| residences. It is NOT designed for boat or caravan use. | |
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• | This combination Smoke/Carbon Monoxide Alarm has two separate | |
| alarms.The CO Alarm is not designed to detect fire or any other gas. | |
| It will only indicate the presence of carbon monoxide gas at the sen- | |
Smoke/CO Alarm to the mounting bracket.You can choose to use either feature independently, or use them both. Tools you will need: •
Both locking features use locking pins, which are moulded into the mounting bracket. Depending on which locking features you use, remove one or both pins from the mounting bracket using
and removes your protection. Instead open a window or fan the |
smoke away from the unit.The alarm will reset automatically. |
• If the unit alarms get everyone out of the house immediately. |
What to do in case of fire
• Don’t panic; stay calm. Follow your family escape plan. |
• Get out of the house as quickly as possible. Don’t stop to get |
hood on an operating boiler for a backdraft. Look for cracks on |
boiler heat exchangers. |
• Check the house or garage on the other side of shared wall. |
• Keep windows and doors open slightly. If you suspect that CO is |
escaping into your home, open a window or a door. Opening win- |
dows 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.
Regulatory information for smoke/CO alarms
Regulatory information for CO alarms
What levels of CO cause an alarm?
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*:
• | If the alarm is exposed to 400 ppm of CO, IT MUST ALARM |
| BETWEEN 4 and 15 MINUTES. |
• | If the alarm is exposed to 150 ppm of CO, IT MUST ALARM |
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| Horn does three rapid "chirps" every minute; | Device is not working properly, and needs to be | Units under guarantee should be returned to |
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| LED has 3 rapid flashes with "chirps". | replaced. | manufacturer for replacement. See “Limited |
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| Guarantee” for details. |
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| Carbon Monoxide alarm ONLY: |
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| CO Alarm goes back into alarm 4 minutes after | CO levels indicate a potentially dangerous situation. | IF YOU ARE FEELING SYMPTOMS OF CO |
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| you press the Test/Silence button. |
| POISONING, EVACUATE your home and call 999 |
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| or the Fire Brigade. If not, press the Test/Silence |
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| button again and keep ventilating your home. |
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| CO Alarm sounds frequently even though no high | The CO Alarm may be improperly located. Refer | Relocate your Alarm. If frequent alarms continue, |
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| levels of CO are revealed in an investigation. | to “Where to Install This Alarm” for details. | have home rechecked for potential CO problems. |
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| You may be experiencing an intermittent CO |
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| Smoke alarm ONLY: |
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| Smoke Alarm sounds when no smoke is visible. | Unwanted alarm may be caused by | Clean the Alarm’s cover with a soft, clean cloth. | ||
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| If frequent unwanted alarms continue, relocate |
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| your Alarm. Alarm may be too close to a kitchen, |
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| cooking appliance, or steamy bathroom. |
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For any technical queries or clarification please call the customer helpline on 01452 887570 |
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| sor. Carbon monoxide gas may be present in other areas.The Smoke | |
| Alarm will only indicate the presence of smoke that reaches the sen- | |
| sor.The Smoke Alarm is not designed to sense gas, heat or flames. | |
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• | 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 Feature is for your convenience only and will not correct a | |
| Smoke/CO problem. Always check your home for a potential problem | |
| after any alarm. Failure to do so can result in injury or death. | |
• | Test this Smoke/CO Alarm once a week. 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.
• 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) commercial 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 |
TO LOCK THE BATTERY COMPARTMENT
Do not lock the battery compartment until you activate the battery and test the Smoke/CO Alarm.
1. Install the batteries before attaching the Alarm 
to the bracket. Insert the two (2) AA batteries (included) into the battery compartment.
Match the terminals on the end of the battery 
with the terminals on the unit. Match “+” to 
“+” and 
inserted, the unit cannot receive battery 
power.
2. Push and hold Test/Silence button until the alarm sounds.
If the unit does not alarm during testing, DO NOT lock the battery compartment! Install new batter- ies and test again. If the unit still does not alarm, replace it immediately.
3. Using
TO UNLOCK THE BATTERY COMPARTMENT
1. Remove the Smoke/CO Alarm from the mounting bracket. If the unit is locked to the bracket, see the section “To Unlock the Mounting Bracket.”
2. Insert a flathead screwdriver under the head of the locking pin, and gently pry it out of the battery compartment lock.
(If you plan to relock the battery compart- ment, save the locking pin.)
3. To relock the battery compartment, close the battery door and reinsert locking pin in lock.
4. Reattach the Smoke/CO Alarm to the mounting bracket.
dressed or collect anything. |
• Feel doors with the back of your hand before opening them. |
If a door is cool, open it slowly. Don’t open a hot door. Keep doors |
and windows closed, unless you must escape through them. |
• Cover your nose and mouth with a cloth (preferably damp). |
Take short, shallow breaths. |
• Meet at your planned meeting place outside your home, |
and do a head count to make sure everybody got out safely. |
• Call the Fire Brigade as soon as possible from outside. |
Give your address, then your name. |
• Never go back inside a burning building for any reason. |
• Contact your Fire Brigade for ideas on making your home safer. |
Alarms have various limitations. See "General Limitations of Smoke/CO Alarms" for details.
Using the silence feature
Never remove the batteries to quiet an unwanted alarm. Removing the batteries disables the alarm and removes your protection.
BETWEEN 10 and 50 MINUTES. |
• If the alarm is exposed to 70 ppm if CO, IT MUST ALARM |
BETWEEN 60 and 240 MINUTES. |
* Approximately 10% COHb exposure at levels of 10% to 95% Relative |
Humidity (RH). |
LIMITED GUARANTEE
John Lewis Plc., (“the Company”), guarantees its enclosed Smoke/Carbon Monoxide Alarm – but not the battery – to be free from defects in materials and workmanship under normal use and service for a period of five years from the
This symbol indicates that this product should not be treated
concentrations under 30 ppm. For additional information on carbon |
monoxide and your medical condition contact your GP. |
• Do not install the Alarm where it may be exposed to dripping water |
or could be splashed. |
bracket.
4. Push the locking pin through the hole near the battery door latch on the back of the Smoke/CO Alarm.
When replacing the batteries, always test the Smoke/CO Alarm before
The Silence Feature is intended to temporarily silence the horn while you identify and correct the problem. Do not use the Silence Feature in emer- gency situations. It will not correct a CO problem or extinguish a fire.
To use the Silence Feature, press and hold the Test/Silence button on the
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.
•An exposure to 100 ppm of CO for 20 minutes may not affect average, healthy adults, but after 4 hours the same level may cause headaches.
•An exposure to 400 ppm of CO may cause headaches in average, healthy adults after 35 minutes, but can cause death after 2 hours.
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.
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date of purchase.
John Lewis Plc. makes no other express guarantee for this unit.
No agent, representative, dealer or employee of the Company has the authority to increase or alter the obligations or limitations of the Guarantee.
The Company’s obligation of this Guarantee shall be limited to the repair or replacement of any part of the alarm which is found to be defective in materials or workmanship under normal use and service during the guarantee period commencing with date of purchase.The Company shall not be obligated to repair or replace alarms which are found to be in need of repair because of damage, unreasonable use, modifications or alterations occurring after the date of purchase.
How to Obtain Guarantee Service
Service: If replacement is required, return the product to your retailer.
Battery: John Lewis Plc. make no guarantee, express or implied, written or oral, including that of merchantability or fitness for any particular purpose with respect to battery.
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as normal household waste and it should be recycled. John Lewis do not operate instore takeback, but as members of the Distributor Take Back scheme have funded the development and upgrade of recycling facilities across the UK. Please take it to your nearest collection facility or for further details contact your local council or visit
For your records, please record:
Date Purchased __________ Where Purchased ___________________
Replace alarm 60 months | Model | ||
after installation. | |||
SCO5JL | |||
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Q 05/10 | |||
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INSTALLATION
Where to install this alarm
Installing Smoke Alarms in
British Standards (BSI) recommend as a minimum one Smoke Alarm on every floor of your home, and between sleeping areas and potential sources of fire such as living rooms and kitchens. In single storey homes with one sleeping area a Smoke Alarm should be installed in the hallway, as close as possible to the living accommodation. See “British Standards (BSI) Recommendations” for details. For additional coverage, it is recommended that you also install a Smoke Alarm in bedrooms in anticipation of fires originating there, in halls, storage areas, finished loft and roof voids. Make sure no door or other obstruction could keep smoke from reaching the Smoke Alarms or minimize the sound level produced from ensuring the occupants from hearing the alarm signal.
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TO LOCK THE MOUNTING BRACKET | TO UNLOCK THE MOUNTING BRACKET | |
1. | Using | 1. Insert a flathead screwdriver into the |
| detach one locking pin from the mounting | rectangular |
| bracket. | bracket nearest to the locking pin. |
2. | Insert the locking pin through the hole |
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| on the back of the Smoke/CO Alarm as | 2. Pry the Smoke/CO Alarm away from the |
| shown in the diagram. | |
3. | When you attach the Smoke/CO Alarm to | bracket by pushing up on the screwdriver |
and turning the Smoke/CO Alarm counter- | ||
| the mounting bracket, the locking pin’s | clockwise (left) at the same time. |
| head will fit into a notch on the bracket. |
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cover of the Smoke/CO Alarm for 3 seconds.
When the smoke alarm is silenced | When the CO alarm is silenced |
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The Smoke Alarm will remain | The CO alarm will remain silent |
silent for 15 minutes, then return | for 4 minutes. |
to normal operation. | After 4 minutes, if CO levels |
If the smoke has not | remain potentially dangerous the |
continues to increase – the device | horn will start sounding again. |
will go back into alarm. |
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