SMOKE ALARM LIMITATIONS AND FUNCTIONS

There are three basic smoke alarm types: IoPhic, Ionization and Photoelectric.

IoPhicis an ionization alarm containing a patent-pending Universal Smoke Sensing Technology. IoPhicalarms are very effective at detecting fast flaming fires and also respond very quickly to slow smoldering fires - up to 87% faster than the maximum allowable alarm limit (UL217 Smoldering Smoke Test on 5/26/2010, Underwriters Laboratories Project #09CA38078).

Ionization smoke alarms are typically more effective at detecting fast flaming fires - fires which consume combustible materials rapidly and spread quickly. Sources of these fires may include paper burning in a wastebasket, or kitchen grease fires.

Photoelectric smoke alarms, on the other hand, are typically more effective at detecting slow smoldering fires - fires which burn for hours before bursting into flame. Sources of these fires may include cigarettes

burning in couches or bedding.

Installing IoPhicsmoke alarms ensures maximum detection of both types of fires from a single alarm, while eliminating the need for a combination of ionization and photoelectric smoke alarms.

The enclosed alarm is a Photoelectric smoke alarm.

SMOKE ALARMS WILL NOT WORK DURING A LOSS OF POWER. SINCE A SMOKE ALARM WILL NOT WORK WITHOUT POWER, having an alarm(s) that works from two completely different power sources, such as an AC direct wire with battery backup smoke alarm, can give you an extra measure of protection in case of an AC power failure or a dead battery. Battery operated alarms 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 (only) powered alarms cannot work if the AC power is cut off for any reason. If you are concerned about the limitations of the battery or AC power, install both types of alarms.

USING AN IONIZATION SMOKE ALARM IN A SMOKY AREA, SUCH AS A KITCHEN, OR IN A HIGH HUMIDITY AREA NEAR A SHOWER, CAN CAUSE NUISANCE FALSE ALARMS. IT IS PREFERABLE TO USE PHOTOELECTRIC ALARMS IN THESE AREAS. DO NOT TURN OFF THE AC POWER TO QUIET THE ALARM. A SMOKE ALARM WILL NOT HELP PROTECT YOU IF IT IS NOT POWERED. Properly locate your alarm to avoid nuisance alarms.

A SMOKE ALARM MAY NOT ALWAYS WARN YOU ABOUT FIRES CAUSED BY CARELESSNESS AND SAFETY HAZARDS LIKE SMOKING IN BED, VIOLENT EXPLOSIONS, ESCAPING GAS, IMPROPER STORAGE OF FLAMMABLE MATERIALS, OVERLOADED ELECTRICAL CIRCUITS, CHILDREN PLAYING WITH MATCHES, NATURAL CAUSES SUCH AS LIGHTNING, OR ARSON. FIRE PREVENTION IS YOUR BEST SAFEGUARD.

INSTALLING SMOKE ALARMS MAY MAKE YOU ELIGIBLE FOR LOWER INSURANCE RATES, BUT SMOKE ALARMS ARE NOT A SUBSTITUTE FOR INSURANCE. Homeowners and renters alike should continue to insure their lives and properties.

SMOKE ALARMS CANNOT DETECT FIRES IF THE SMOKE DOES NOT REACH THEM. Smoke from fires may not reach the sensing chamber and set off the alarm. One alarm should be installed inside each bedroom or sleeping area. Do not obstruct airflow around the smoke alarm or place in areas of obstructed airflow.

BE AWARE OF VARIOUS SITUATIONS AGAINST WHICH THE SMOKE ALARM MAY NOT BE EFFECTIVE. For example: (1) Fires where the victim is intimate with a flaming initiated fire; for example, when a person's clothes catch fire while cooking; (2) Fires where the smoke is prevented from reaching the alarm due to a closed door or other obstruction or (3) Incendiary fires where the fire grows so rapidly that an occupant's egress is blocked even with properly located alarms.

SMOKE ALARMS MAY NOT DETECT FIRE ON ANOTHER FLOOR OR AREA OF THE HOME. Recommended minimum protection is at least one smoke alarm in every sleeping area and every bedroom on every level of your home. Interconnected smoke alarms may provide earlier warning than stand-alone smoke alarms since all smoke alarms alarm when one detects smoke.

SMOKEALARMS MAY NOT BE HEARD. The alarm horn in this alarm meets or exceeds current standards, but it may not be heard if: (1) the smoke alarm 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 stereos, TV's, air conditioners or other appliances; (4) residents are hearing impaired or (5) if residents are sleeping.

CURRENT STUDIES HAVE SHOWN SMOKE ALARMS MAY NOT AWAKEN ALL SLEEPING INDIVIDUALS AND THAT IT IS THE RESPONSIBILITY OF INDIVIDUALS IN THE HOUSEHOLD WHO ARE CAPABLE OF ASSISTING OTHERS TO PROVIDE ASSISTANCE TO THOSE WHO MAY NOT BE AWAKENED BY THE ALARM SOUND OR TO THOSE WHO MAY BE INCAPABLE OF SAFELY EVACUATING THE AREA UNASSISTED.

SMOKE ALARMS ARE NOT FOOLPROOF. You must test the smoke alarm weekly to ensure your continued protection. Smoke alarms cannot prevent or extinguish fires.

SMOKE ALARMS HAVE A LIMITED LIFE. The smoke alarm should be replaced immediately if it is not operating properly. You should always replace a smoke alarm after 10 years.

SMOKE ALARMS ARE NOT TO BE USED WITH DETECTOR GUARDS UNLESS THE COMBINATION HAS BEEN EVALUATED AND FOUND SUITABLE FOR THAT PURPOSE.

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Universal Security Instruments 3895L, 3304L installation instructions Smoke Alarm Limitations and Functions

3304L, 3304, 3895, 3895L specifications

Universal Security Instruments (USI) has made a prominent mark in the home security and safety industry with its innovative smoke and carbon monoxide (CO) detectors. Among their standout products are the USI 3895L, 3895, 3304L, and 3304 models, each designed with user-friendly features, advanced technologies, and exceptional reliability.

The USI 3895L is a hardwired smoke and CO detector that features a built-in battery backup, ensuring unwavering protection even during power outages. This model includes a voice alarm system that announces the specific type of danger, whether it be smoke or carbon monoxide, allowing users to respond appropriately. Its continuous self-checking functionality enhances reliability by routinely testing the unit's circuits, battery, and sensors.

The USI 3895, while similar in many ways to the 3895L, emphasizes simplicity and efficiency. This battery-operated model provides a compact design without sacrificing performance. It features a sleek appearance, making it an aesthetic addition to any home, while still offering robust smoke and CO detection capabilities. The 3895 also includes a loud alarm and test/silence button for quick and easy functioning.

Moving on to the USI 3304L, this model is an all-in-one smoke and CO alarm that caters to families and businesses alike. Like the 3895L, it comes with a hardwired setup and a battery backup. The 3304L is particularly praised for its photoelectric smoke sensing technology which minimizes false alarms caused by cooking smoke and steam. This technology increases response times for smoldering fires, giving users valuable time to react.

Lastly, the USI 3304 is a more accessible variant within the same series, designed as a battery-operated smoke and CO detector. Retaining many advanced features of the 3304L, this model is compact and versatile, suitable for various spaces within a home or office. It comes equipped with an LED indicator for operational status and an easy-to-read user manual, ensuring ease of use and installation.

In summary, Universal Security Instruments' 3895L, 3895, 3304L, and 3304 models each provide essential life-saving features with cutting-edge technology. From voice alarms and photoelectric sensing technology to reliable battery backup options, USI delivers robust solutions for fire and carbon monoxide safety. Employing these detectors can significantly enhance home safety while providing peace of mind for families and property owners alike.