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288-3456-08

©

2011 UNIVERSAL SECURITY INSTRUMENTS, INC., Rev. 02/2012

Printed in China

11407 Cronhill Drive, Suite A

Owings Mills, Maryland 21117 USA

Visit Us on the Web! 

www.UniversalSecurity.com

PRODUCT FIVE-YEAR LIMITED WARRANTY

MODELS MCN400, MCN400L, MCN600, MCN600L

MODELS MCND401, MCND401L, MCND601, MCND601L

USI ELECTRIC, INC. / UNIVERSAL SECURITY INSTRUMENTS, INC.  (“USI”) warrants

your product to be free from defects in material and workmanship for a period of five (5)

years from the date of purchase.

 This warranty shall not apply to any batteries used in the

product or to any damage which may be caused by such batteries.  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, modifications, 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 the product.

ALARM RETURNS

For replacement of this alarm under the terms of this Warranty, contact Customer Service at
1-800-390-4321, Ext. 238, for 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.

LITHIUM BATTERY LIMITED WARRANTY

The Ultralife battery models U9VL-J and U9VL-J-P are warranted by Ultralife Corporation in this
alarm ONLY and are not warranted in any other device.  Submit your warranty claim through the
Ultralife website www.ultralifecorp.com or call 800-332-5000.

Summary of Contents for MCN400

Page 1: ...t Levels of CO Cause anAlarm 2 Basic Safety Information 3 Recommended Location ofAlarms 4 Avoid These Locations 4 How to Install 5 Reset Feature 6 Operation Alarm Characteristics 6 What To Do If The A...

Page 2: ...MINUTES This product is intended for use in ordinary indoor locations of family living units It is not designed to measure compliance with Occupational Safety and HealthAdministration OSHA commercial...

Page 3: ...er gas Carbon monoxide and natural gas may be present in other areas The CO and Natural Gas Alarm will only indicate the presence of CO or natural gas which reaches the sensor The CO and Natural Gas A...

Page 4: ...n particles stove furnace water heater space heater if possible In areas where a 20 foot 6m distance is not possible in modular mobile or smaller homes for example it is recommended the alarm be place...

Page 5: ...which will be used as a gathering place if the alarm sounds Page 5 READ CAREFULLY THIS UNIT IS SEALED THE ALARM COVER IS NOT REMOVABLE Leave your CO and Gas Alarm plugged in year round CO and gas pro...

Page 6: ...ously detected CO and had alarmed The red LED is off and blinks on approx every 5 seconds until reset Follow the reset instructions to remove the latching LED see below GAS ALARM LATCHING LED INDICATO...

Page 7: ...n return to normal operation It will continue to monitor the air for CO Ventilate area After up to 5 minutes depending on the level of CO detected if CO levels remain potentially dangerous the horn wi...

Page 8: ...memory reading is cleared The alarm will chirp once to indicate the reset is now complete The screen will temporarily display 000 when the peak CO level is reset and then return to after several seco...

Page 9: ...install smoke alarms even though carbon monoxide can be generated by a fire CO and Gas Alarms are not a substitute for property disability life or other insurance of any kind Appropriate coverage is y...

Page 10: ...nies and HVAC companies offer appliance inspections for a nominal fee Make regular visual inspections of all fuel burning appliances Check appliances for excessive rust and scaling Also check the flam...

Page 11: ...lete MCND401 and MCND601 Series only To reset the peak CO memory press and hold the PEAK RESET button for 10 seconds until the peak level is cleared The alarm will chirp once to indicate the reset is...

Page 12: ...of this Warranty contact Customer Service at 1 800 390 4321 Ext 238 for current postage and handling fees USI DOES NOT WARRANT AND SPECIFICALLY DISCLAIMS ANY WARRANTY WHETHER EXPRESS OR IMPLIED OF FI...

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