OPERATIONAL SUMMARY

CONDITION OF ALARM AUDIBLE & VISUAL SIGNALS BEFORE SOLUTION / RECOMMENDATION

 

HORN

RED LED

GREEN LED

SOLUTION / RECOMMENDATION

 

 

Silent

Blinks On once

Stays On

AC Power is present. DC Power is present.

 

 

approx every

 

 

 

 

40-45 seconds

 

 

 

Silent

Blinks On once

Off

AC Power is not present and alarm is receiving DC

 

 

approx every

 

Power. Check the breaker or fuse box for power. If the

 

 

40-45 seconds

 

breaker or fuse box looks normal, call a licensed

 

 

 

 

electrician for assistance.

 

Horn does not

Blinks On once

Stays On

Press and hold the smoke alarm Test/Silence button

 

sound when other

approx every

or Off

for at least 5 seconds. If still no alarm, turn off AC Power

 

alarms are active

40-45 seconds

 

at the circuit breaker or fuse box and disconnect the

 

or horn does not

 

 

alarm from the mounting bracket and make sure the

 

sound when

 

 

connector plug is securely attached on units that did

 

inter-connected

 

 

not alarm. If still no alarm, have a licensed electrician

 

alarm's test

 

 

check to see if the yellow wire is connected to the neutral

 

button is pressed

 

 

wire.

 

3 Beeps,

Blinks On

Stays On

Originating Smoke Alarm - If hazard is identified, please

 

2 second pause,

approx every

 

take all precautions if an alarm sounds by calling an

 

Repeat

2 seconds

 

Emergency Service and getting out of the home.

 

3 Beeps,

Off

Stays On

Non-originating Smoke Alarm - Another interconnected

 

2 second pause,

 

 

smoke alarm has sensed smoke, causing all

 

Repeat

 

 

interconnected units to sound.

 

3 Beeps,

Blinks On

Stays On

Nuisance Alarm - If there is no hazard present, verify

 

2 second pause,

approx every

 

the alarm is mounted in the correct location (see User's

 

Repeat

2 seconds

 

Manual, "AVOID THESE LOCATIONS" section). Reset

 

 

 

 

alarm as instructed below.

 

 

 

 

 

 

3 Beeps,

Blinks On

Stays On

Silence Feature is activated by pressing and releasing

 

2 second pause,

approx every

 

the Test/Silence button on the initiating alarm while in

 

Repeat

2 seconds

 

alarm condition. Silence mode will last for approx 8-12

 

 

 

 

minutes.

 

Silent

Blinks On once

Stays On

QUICK FIND® Alarm Origination - In an interconnected

 

(alarmed

approx every

 

system, it is difficult to determine which alarm initiated

 

previously)

40-45 seconds

 

the alarms to sound. The QUICK FIND® feature will

 

 

(normal operation

 

allow you to immediately locate the originating alarm

 

 

mode) or Blinks on

 

(once the alarms have stopped sounding). To initiate

 

 

once approx every

 

QUICK FIND®, press the Test/Silence button on any

 

 

10 seconds

 

alarm; and, after releasing the button, the originating

 

 

(silence mode)

 

 

 

 

alarm will continue to sound for approx 60 seconds.

 

 

 

 

 

 

 

 

Reset the originating alarm. NOTE: In a non-

 

 

 

 

interconnected installation, it is necessary to test each

 

 

 

 

alarm to determine the originating alarm.

 

 

 

 

 

 

Silent

Blinks On once

Stays On

To Reset the Alarm - Hold the Test/Silence button for 10

 

 

approx every

 

seconds. This will clear alarm origination and clear

 

 

40-45 seconds

 

Silence mode. Reset after each smoke alarm event.

 

 

(normal operation

 

 

 

 

mode) or Blinks on

 

 

 

 

once approx every

 

 

 

 

10 seconds

 

 

 

 

(silence mode)

 

 

 

1 Chirp approx

Blinks On once

Stays On

Low Battery - Check to make sure the battery activation

 

every 40 seconds

approx every

 

pull tab has been completely removed, battery polarity

 

 

40-45 seconds

 

is correct and the battery terminals are making contact

 

 

 

 

with the smoke alarm contacts in the battery drawer. If

 

 

 

 

chirp continues, replace the 9V battery (see User's

 

 

 

 

Manual for recommended battery types).

 

3 Chirps approx

Blinks On once

Stays On

Trouble/Service Alarm. Replace Alarm.

 

every 40 seconds

approx every

 

 

 

after LED flashes

40-45 seconds

 

 

THIS PRODUCT IS LISTED TO UL STANDARD FOR SAFETY,

UL217 BY UNDERWRITERS LABORATORIES, INC.

Page 9

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Universal Security Instruments 3895L, 3304L installation instructions Solution / Recommendation

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.