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288-3557-01

©2014 UNIVERSAL SECURITY INSTRUMENTS, INC., Rev. 07/2015

Printed in China

11407 Cronhill Drive, Suite A

Owings Mills, Maryland 21117 USA

Visit Us on the Web! 

www.UniversalSecurity.com 

MODEL MI3050S TEN-YEAR LIMITED WARRANTY

USI Electric, Inc. /Universal Security Instruments, Inc. (“USI”)  warrants this product to be 
free from defects in material and workmanship for a period of 10 (ten) years from the date 
of purchase. 

This warranty shall not apply to any damage which may be caused by the sealed 

batteries used in this product. This warranty applies only to the original consumer purchaser and 
only to products used in normal residential use and service. If this product is found to be defective, 
USI’s only obligation, and your exclusive  remedy, is the repair or replacement of the product, at 
USI’s discretion, provided that the product has not been damaged through misuse, abuse, accident, 

modification, alteration, neglect or mishandling. This Warranty shall not apply to any product which 

is found to have been improperly installed, set-up, or used in any way not in accordance with the 
instructions supplied with this product.

ALARM RETURNS

For replacement of this alarm under the terms of this Warranty, contact the Customer Service 
Department at 800-390-4321 extension 238 to obtain the current postage and handling fees. 

USI 

does not warrant, and specifically disclaims any warranty, whether express or implied, of 
fitness for a particular purpose, other than the warranty contained herein. No implied warranty 
on this product, created by state law, shall extend beyond the term of this warranty unless 
such law otherwise provides. USI specifically disclaims any liability and shall not be liable 
for any consequential or incidental loss or damage, including, but not limited to, damages 
to any equipment with which this product is used. 

Some states do not allow the exclusion or 

limitation of incidental or consequential damages, so the above limitations or exclusions may not 
apply to you. No agent, representative, dealer, or employee of the company has the authority to 

increase or alter the obligations or terms of this Warranty. This Warranty gives you specific legal 

rights and you may also have other rights which vary from state to state. This Warranty is only valid 
for merchandise purchased from outlets in the United States and Canada. This warranty expires 
upon product end-of-service life signal.

Summary of Contents for MI3050S

Page 1: ...larm This alarm does not require battery changes The tamper proof permanent power sealed battery which will last for approximately 10 years This manual in cludes important information regarding where to install the alarm how to operate maintenance testing and product features It also in cludes tips and information which can help protect you and your family Conforms to UL Std 217 Single Station Smo...

Page 2: ...ure their lives and properties l 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 l BEAWARE OF VARIOUS SITUATIONSAGAINST WHICH THE SMOKEALARM MAY NOT BE EFF...

Page 3: ... 4 in 102 mm vertically to the peak Sloped Ceilings Shed Ceilings Smoke alarms or smoke detectors mounted on a sloped ceiling having a rise greater than 1 ft in 8 ft 1 m in 8 m horizontally shall be located within 36 in 914 mm of the high side of the ceiling but not closer than 4 in 102 mm from the adjoining wall surface Tray Shaped Ceilings Smoke Alarms or smoke detectors shall be installed on th...

Page 4: ...ed battery cannot be replaced Failure to properly install and activate this alarm will prevent proper operation of this alarm and will prevent its response to fire hazards Test the alarm following installation and weekly thereafter The built in test switch accurately tests the alarm operation as required by ANSI UL217 Standards for Safety If at any time you test the alarm and it does not perform a...

Page 5: ...t button should sound the alarm immediately after it is pressed There are special conditions that when you press the Test Silence button you will experience a delay of approx 10 15 seconds before the alarm sounds This delay occurs if the Test Silence button is pressed during a self diagnostic period This may occur after initial power up Retest after 10 15 seconds ALARM ORIGINATION The QUICK FIND f...

Page 6: ...e alarm DO NOT paint the alarm Doing so may permanently damage the alarm and interfere with alarm s ability to sense smoke The outside can be wiped with a damp cloth DO NOT use any household cleaning agents solvents or sprays including compressed gas dusters or any other chemical on or near your alarm DO NOT disassemble or attempt to clean inside the alarm This alarm contains no serviceable parts ...

Page 7: ... is located in the mounting bracket of the alarm See Figure2 3 Use a small flat blade tool to remove the deactivation key breakaway from the mounting bracket 4 Push tip of key into the deactivation slot keyhole outline on label and insert fully 5 Turn key clockwise to the off position slowly until you feel the switch actuate and the key stops turning 6 This will discharge the alarm battery and sto...

Page 8: ...rm Code NFPA 72 reads as follows 11 5 1 Required Detection Where required by applicable laws codes or standards for a specific type of occupancy approved single and multiple station smoke alarms shall be installed as follows 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 ...

Page 9: ...THIS PRODUCT CONFORMS TO UL STANDARD 217 FOR SAFETY 3 Beeps 2 second pause Repeat Blinks On in sync with Horn If hazard is identified please take all precautions if an alarm sounds by calling an Emergency Service and getting out of the home 3 Beeps 2 second pause Repeat Silence Feature is activated by pressing and releasing the Test Silence button on the initiating alarm while in alarm condition S...

Page 10: ...pplied with this product ALARM RETURNS For replacement of this alarm under the terms of this Warranty contact the Customer Service Department at 800 390 4321 extension 238 to obtain the current postage and handling fees USI does not warrant and specifically disclaims any warranty whether express or implied of fitness for a particular purpose other than the warranty contained herein No implied warr...

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