usi MCN400 User Manual

Plug-in carbon monoxide & natural gas alarm with backup battery protection

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Also suitable as a Residential Gas Detector

THANK YOU for purchasing this combination alarm. It is designed to detect carbon monoxide and

natural gas (methane) which reaches the sensor. It is not designed to detect fire, heat, flames or any

other gas. This manual includes important information regarding where to install the alarm, how to

operate, maintenance, testing and product features. It also includes tips and information which

could help protect you and your family.

What You Should Know About CO .......................................... 2

What You Should Know About Natural Gas ............................. 2

What Levels of CO Cause an Alarm ........................................ 2

Basic Safety Information ......................................................... 3

Recommended Location of Alarms .......................................... 4

Avoid These Locations ............................................................ 4

How to Install .......................................................................... 5

Reset Feature ......................................................................... 6

Operation & Alarm Characteristics .......................................... 6

What To Do If The Alarm Sounds ............................................. 7

CO Alarm Silence Feature ....................................................... 7

Testing & Maintenance ............................................................ 8

Battery Replacement .............................................................. 8

CO & Natural Gas Alarm Limitations ....................................... 9

Operational Summary ............................................................11

Warranty ................................................................. Back Cover

Models MCN400, MCN400L,

Plug-In Carbon Monoxide &

Natural Gas Alarm with

Backup Battery Protection

Models MCN600, MCN600L,

120 VAC, 60 Hz, 100 mA Maximum

Single Station Carbon Monoxide Alarm

PLEASE READ AND SAVE!

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Summary of Contents for usi MCN400

Page 1: Table Of Contents
Certified to Standards Models MCN400, MCN400L, UL 2034 & UL 1484 MCND401, MCND401L Plug-In Carbon Monoxide & Natural Gas Alarm with Backup Battery Protection Single Station Carbon Monoxide Alarm Models MCN600, MCN600L, Also Suitable as a MCND601, MCND601L Residential Gas Detector...
Page 2: What You Should Know About Co
WHAT YOU SHOULD KNOW ABOUT CO Carbon monoxide (CO) is an insidious poison. It is a colorless, odorless, tasteless gas. It is a cumulative poison. Even low levels of CO have been shown to cause brain and other vital organ damage in unborn infants with no effect on the mother.
Page 3: Basic Safety Information
INSTALLATION RECOMMENDATIONS Natural gas (methane) is typically supplied through a main utility line connected to your home. Early warning is best achieved by the installation of alarms on all floors and areas of the household. WHERE THIS ALARM SHOULD BE INSTALLED •...
Page 4: Recommended Location Of Alarms
RECOMMENDED PLACEMENT: NOTE: For any location, make sure no door or other obstruction could prevent the carbon monoxide or gas from reaching the alarm. WHERE THIS ALARM SHOULD NOT BE INSTALLED To avoid causing damage to the unit, to provide optimum protection, and to prevent unnecessary alarms.
Page 5: How To Install
• Good ventilation is recommended when household cleaning supplies or similar contaminants are used. • Excessive spillage or reverse venting of fuel-burning appliances caused by outdoor ambient conditions, such as: Wind direction and/or velocity, including high gusts of wind. Heavy air in the vent pipes (cold/ ...
Page 6: Reset Feature
IMPORTANT! The battery backup is designed to provide short-term emergency power to the CO and Gas Alarm. Actual backup time depends on the strength (freshness) of the battery. The battery backup will not work unless a good battery is properly installed. When the alarm utilizes battery backup power, the natural gas sensor will operate the alarm and will sample less frequently to extend battery life.
Page 7: What To Do If The Alarm Sounds
IF THE CO ALARM SOUNDS: Operate TEST/CO SILENCE button; Call your emergency services, fire department or 911. Write down the number of your local emergency service here: Immediately move to fresh air - outdoors or by an open door/window. Do a head count to check that all persons are accounted for.
Page 8: Testing & Maintenance
WEEKLY TESTING • NEVER use an open flame of any kind to test this unit. You might accidentally damage or set fire to the alarm or to your home. The built-in test switch accurately tests the unit's operation as required by ANSI/UL2034 Standard for Safety. NEVER use vehicle exhaust! Exhaust may cause permanent damage and voids your warranty.
Page 9: Co & Natural Gas Alarm Limitations
Use only the batteries specified. Use of different batteries may have a detrimental effect on the CO/Gas alarm. The constant exposures to high or low temperatures or high humidity may reduce battery life. IMPORTANT! The battery backup is designed to provide short-term emergency power to the alarm. Actual backup time depends on the strength (freshness) of the battery.
Page 10 HOW CAN I PROTECT MY FAMILY FROM CO POISONING? This alarm is an excellent means of protection. It monitors the air and sounds a loud alarm before carbon monoxide levels become threatening to the average, healthy adult. An alarm is not a substitute for proper maintenance of home appliances. To help prevent CO problems and reduce the risk of CO poisoning: Clean chimneys and flues yearly.
Page 11: Operational Summary
OPERATIONAL SUMMARY AUDIBLE & VISUAL SIGNALS CONDITION / RECOMMENDATION POWER HORN GREEN LED BLUE LED RED LED Silent On and Blinks Condition: AC Power is present. DC power is present. off approx every Recommendation: None, alarm is operating properly. 20 seconds Silent Off and Blinks Condition: Alarm is powered by battery backup.
Page 12: Warranty
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 manual is also suitable for:

Mcnd401l Mcn400l Mcn600 Mcnd401 Mcn600l Mcnd601 ... Show all