Universal Security Instruments MCN400CN ユーザーズマニュアル

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.

PLEASE READ AND SAVE!

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

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