USI Electric 10-Year Battery-Operated Ionization Smoke Alarm (USI-1122L)

  • USI Electric 10-Year Battery-Operated Ionization Smoke Alarm (USI-1122L)
Ionization | Silence | 10-Year Lithium Battery

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  • Ionization Smoke and Fire Alarm
  • 10-Year Lithium Battery Included
  • 9 Volt Battery Operated
  • Loud 85 dB alarm
  • Continued Use after Power Outage
  • Test/Silence Button
  • Protective Cover
  • Power and Alarm LED's
  • Tamper Resistance Locking Feature
  • Listed to UL217 Standard
  • 5 Year Limited Warranty
The USI Electric USI-1122L Battery-Operated Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the home. This alarm is operated by a 10 year lithium battery (included) that never needs replacing and is suitable for installation in houses, apartments, dormitory rooms and mobile homes. Fast and easy to install with no wiring required, the USI-1122L features a flashing power indicator to ensure that the device is functioning properly and an alarm/power test button. All hardware is included to mount the round and flat plate that is designed for a quick installation. Ideal for replacement of existing smoke alarms, this alarm features a large mounting plate for coverage of drywall impressions or old paint marks. Additional features include a convenient silencer button to temporarily override nuisance alarms and an audible low battery indicator.

This smoke and fire alarm is UL Listed, California State Fire Marshal approved and Federal Housing Authority (FHA) approved to exceed industry standards. For maximum protection, install an alarm inside every bedroom, outside every sleeping area and on all levels of the dwelling. The USI Electric USI-1122L Battery-Operated Ionization Smoke and Fire Alarm comes with a 5 year limited warranty.
  • MPN: USI-1122L
  • UPC: 042741011228
  • Warranty: 5 year Limited Warranty
  • Alarm Battery: 10 year lithium
  • Alarm Sensor Type: Ionization
  • Manufacturing Credits: ISO 9001 certified factory, UL listed & CSFM listed
Click Here to Write a Review for this Product. Review

Average Customer Rating Based on 2 reviews: Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 - 12/31/2016
Reviewer: James Honhart
Great product with 10 year battery.


Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 NO MORE CHIRPING! - 02/29/2016
Reviewer: Debra Day
Much better than what the builder put in 8 years ago, The house has stopped chirping. Finally.

Q: WHY DOES MY SMOKE ALARM 'CHIRP' APPROXIMATELY ONCE EVERY MINUTE?
A: The smoke alarm chirps to indicate a "low battery" condition, meaning the battery needs to be replaced. Battery powered smoke alarms will chirp a minimum of 30 days before the battery completely loses power.

AC powered smoke alarms with battery backup will chirp indefinitely assuming AC power is present; if battery power is low, or battery is removed; until a fresh battery is installed. Approved replacement batteries are listed on the back of each smoke alarm and in the user's manual.

Certain model smoke alarms with a silence button (designed to silence the alarm during a nuisance alarm) may chirp to indicate the smoke alarm is in the silence mode. The chirp will stop after approximately 8 minutes and the smoke alarm will return to its normal operation.




Q: WHAT DOES IT MEAN WHEN THE RED LIGHT ON THE ALARM FLASHES APPROXIMATELY ONCE EVERY MINUTE?
A: The flashing red light gives a visual indication that the smoke detector is functioning properly. It also indicates a working battery is connected to the smoke alarm.




Q: WHAT DOES THE CONTINUOUS GREEN LIGHT ON MY SMOKE ALARM INDICATE?
A: When a green light is present on your smoke detector, it means that AC power is currently operating the alarm.




Q: THE GREEN LIGHT ON MY SMOKE ALARM HAS GONE OUT, WHAT DOES THIS MEAN?
A: If the green light on your smoke detector is not on, it means the AC power has been interrupted to the alarm. Check the circuit breaker and AC wiring to make sure power is still reaching the smoke alarm.




Q: HOW CAN I TELL WHICH SMOKE ALARM IN A MULTI-STATION SYSTEM INITIATED THE ALARM?
A: When interconnected alarms are alarming, the smoke alarm which initiated the alarm, either by test button or sensing smoke, will flash the red LED light approximately once per second. The red LED light on the other non-initiated interconnected smoke detectors will not be lit but will sound the alarm.




Q: HOW MANY SMOKE ALARMS OR DEVICES CAN BE INTERCONNECT AT ONE TIME?
A: The NFPA 72 standard states the interconnect limit is 12 smoke alarms and up to 6 other alarms (heat alarms or carbon monoxide detectors) for a total of 18 total alarms. With 18 alarms interconnected, up to an additional 6 relay modules may be interconnected (for a maximum of 24 devices).

If battery backup alarms and non-battery backup alarms and accessories are mixed in an interconnect system, all devices without battery backup WILL NOT operate during an AC power failure.

CAUTION: USI alarms and accessories should only be interconnected with other USI alarms and accessories. Connecting devices from another manufacturer to USI devices may result in nuisance alarms, failure to alarm, or damage to one or all of the devices in the interconnect system. All interconnected USI alarms should be powered by the same fuse or circuit breaker. Smoke alarms shall not receive their power from a circuit that is protected by a ground fault circuit interrupter. Improper connection will result in damage to the alarm, failure to operate, or a shock hazard.




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