Smoke Alarm - Ningbo Lexing Inductor Electronic Co.,Ltd
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1. Smoke Alarm NO LX SO 729 Thank you for selecting our product LX SO 729 LX SO 729 Smoke Alarm User s Manual The photoelectric smoke detector is designed to sense smoke that i comes into the detector chamber It does not sense gas heat or yp Ss flame This smoke detector is designed to give early warning of developing fires by giving off the alarm sounds from its built in alarm horn It can provide precious time for you and your family to escape before a fire spreads sees SPECIFICATION Power source DC9V 30 0 Alarm sonority gt 85 db 3m Static Current lt 10uA Low Voltage Alarm 7V 0 5V Alarm Current lt 10mA Working temperature 10 C 50 C WHERE TO INSTALL SMOKE ALARMS gt Install a smoke detector in the hallway outside every separate bedroom area as shown in Figure 1 gt Install a smoke detector on every floor of a multi floor home or apartment as shown in Figure2 O kitchen 0 bedroom bedroom bedroom O i family room i bedroom E bedroom living toom l rc ground kitchen garage y bedroom Hi e basement a smoke detector for minimum security 2 smoke detector for minimum security smoke detector for more security Figure 2 Fiure 1 gt Install a smoke detector i2. detectors in the following situations gt Combustion particles are the by products of something that is burning Thus in or near areas where combustion particles are present you do not install the smoke detectors to avoid nuisance alarms such as kitchens with few windows or poor ventilation garages where there may be vehicle exhaust near furnaces hot water heaters and space heaters gt Do not install smoke detectors less than 20 feet 6 meters away from places where combustion particles are normally present like kitchens If a 20 foot distance is not possible e g in a mobile home try to install the detector as far away from the combustion particles as possible To prevent nuisance alarm alarms provide good ventilation in such places gt In damp or very humid areas or near bathrooms with showers Moisture in humid air can enter the sensing chamber then turns into droplets upon cooling which can cause nuisance alarms Install smoke detectors at least 10 feet 3 meters away from bathrooms gt In very cold or very hot areas including unheated buildings or outdoor rooms If the temperature goes above or below the operating range of smoke detector it will not work properly The temperature range for your smoke detector is 40 oF to 100 oF 4 oC to 38 oC gt In very dusty or dirty areas dirt and dust can build up on the detector s sensing chamber to make it overly sensitive Additionally dust or dirt can block openings to the se
3. for this purpose www lexing com cn came Smoke Alarm NO LX SO 729 TAKING CARE OF YOUR SMOKE DETECTOR To keep your detector in good working order you must test the detector weekly as referring to section TESTING YOUR SMOKE DETECTOR gt Replace the detector battery once a year or immediately when the low battery beep signal sounds once a minute The low battery beep should last at least 30 days NOTE For replacement battery use Eveready 522 1222 216 Duracell MN1604 or Gold Peak 1604P 16048 or Ultralife U9VL J Open the cover and vacuum the dust off the detector s sensing chamber at least once a year This can be done when you open the detector to change the battery Remove battery before cleaning To clean detector use soft brush attachment to your vacuum Carefully remove any dust on detector components especially on the openings of the sensing chamber Replace battery after cleaning Test detector to make sure battery is incorrectly Check to make sure there are no obstruction inside the test button If there is any dust in the test button insert a toothpick from the back to the front Clean detector cover when it gets dirty First open the cover and remove battery Hand wash cover with cloth dampened with clean water Dry it with lint free cloth Do not get any water on the detector components Replace the battery and close cover Test detector to make sure that battery works correctl
4. nside every bedroom gt Install smoke detectors at both ends of a bedroom hallway if the hallway is more than 40 feet 12 meters long gt Install a smoke detector inside every room where one sleeps with the door partly or completely closed since smoke could be blocked by the closed door and a hallway alarm may not wake up the sleeper if the door is closed gt Install basement detectors at the bottom of the basement stairwell gt Install second floor detectors at the top of the first to second floor stairwell gt Install additional detectors in your living room dining room family room attic utility and storage rooms gt Install smoke detectors as close to the center of the ceiling as possible If this is not practical put the detector on the ceiling no closer than 20 inches 50 cm from any wall or corner as shown in Figure 3 www lexing com cn came Smoke Alarm NO LX SO 729 gt If some of your rooms have sloped peaked or gabled ceilings try to mount detectors 3 feet 0 9 meter measured horizontally from the highest point of the ceiling as shown in Figure 4 50CM 20 CEILING MINIMUM 4 t certer of ceiling never here WALL best location acceptable location 0 9M 3ft horizontal distance from peak Figure 3 Figure 4 WHERE NOT TO INSTALL SMOKE ALARMS Nuisance alarms take place when smoke detectors are installed where they will not work properly To avoid nuisance alarms do not install smoke
5. nsing chamber and keep the detector from sensing smoke gt Near fresh air vents or very drafty areas like air conditioners heaters or fans fresh air vents and drafts can drive smoke away from smoke detectors gt Dead air spaces are often at the top of a peaked roof or in the corners between ceilings and walls Dead air may prevent smoke from reaching a detector gt In insect infested areas If insects enter a detector s sensing chamber they may cause a nuisance alarm Where bugs are a problem get rid of them before putting up a detector gt Near fluorescent lights electrical noise from fluorescent lights may cause nuisance alarms Install smoke detectors at least 5 feet 1 5 meters from such lights WARNING Never remove batteries to stop a nuisance alarm Open a window or fan the air around the detector to get rid of the smoke The alarm will turn itself off when the smoke is gone If nuisance alarms persist attempt to clean the detector as described in this User s Manual WARNING Do not stand close to the detector when the alarm is sounding The alarm is loud in order to wake you in an emergency Too much exposure to the horn at close range may be harmful to your hearing www lexing com cn ramen Smoke Alarm NO LX SO 729 INSTALLING YOUR SMOKE DETECTOR The smoke detectors are to be mounted on the ceiling Please follow these steps to install your smoke detector 1 Hold the bottom cover firmly and then tu
6. rn the body anti clockwise to release the bottom cover down 2 Hold the bottom cover on the selected installing position make hole mark with pencil at the center of the installing slot hole on the bottom cover 3 Remove the bottom cover 4 Using an electric drill with a 6 5mm drill bit bore two holes on the pencil mark put the unit away from getting plaster dust on it when you drill holes for mounting 5 Tap the plastic dilatants into the holes with hammer and then strike the 3 30 screws into the dilatants and tighten the screws to fix the bottom cover 6 insert 9v cascading battery into battery box if you don t do that you cannot fix the alarm body on the bottom cover 7 make the hole on the middle cover aligned with the lock button on the bottom cover and turn the alarm body clockwise NOTE When the detector battery first makes contact with the detector the alarm horn may sound for one second This means normal and indicates that the battery is positioned properly Close cover then press the test button holding it down for about 5 seconds until the horn sounds The horn should sound a loud pulsating alarm This means the unit is working properly RED INDICATOR The red LED as the ALARM indicator is featured with the detector It can be seen through the test button on the cover of the detector When red LED flashes once 35 seconds itindicates the detector under normal operation When smoke detector senses smoke and sim
7. ultaneously sounds an audible alarm the red LED will flash very frequently once 0 5 seconds TESTING YOUR SMOKE DETECTOR Test the detector weekly by pushing firmly on the test button with your finger until the horn sounds Testing method may take up to 20 seconds to sound the alarm horn These are only ways to be sure that detector is working correctly If the detector fails to test properly have it repaired or replaced immediately WARNING Never use an open flame to test your detector You may set fire to damage the detector as well as your home The built in test switch accurately tests all detector functions as required by Underwriters Laboratories They are the only correct ways to test the unit WARNING When you are not testing the unit and the alarm horn sounds a loud continuous sound this means the detector has sensed smoke or combustion particles in the air Be sure that the alarm horn is a warning of a possible serious situation which requires your immediate attention gt The alarm could be caused by a nuisance situation Cooking smoke or a dusty furnace sometimes called friendly fires can cause the alarm to sound If this happens open a window or fan the air to remove the smoke or dust The alarm will turn off as soon as the air is completely clear gt If the alarm horn begins to beep once a minute this signal means that the detector s battery is weak Replace new battery immediately Keep fresh batteries on hand
8. y NINGBO LEXING INDUCTOR ELECTRONIC CO LTD Add No 35 Zhuquan Road Science amp Technology Area E mail lexing lexing com cn Ninghai Ningbo Zhejiang China E mail lexing globalmarket com Tel 86 574 65335088 www lexing com cn Fax 86 574 65335000 65335333 www lexing com PAT NO ZL 2008201702834 ZL 2006 3 0160901 3 ISO9001 ISO14001 www lexing com cn came
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