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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.
MODEL MCN400CN, MCN400LCN
MODEL MCND401CN, MCND401LCN
(WITH DISPLAY)
PLUG-IN CARBON MONOXIDE AND
NATURAL GAS ALARM WITH BATTERY
BACKUP AND SILENCE FEATURE
MODEL MCN600CN, MCN600LCN
MODEL MCND601CN, MCND601LCN
(WITH DISPLAY)
PLUG-IN CARBON MONOXIDE AND
NATURAL GAS ALARM WITH BATTERY
BACKUP AND SILENCE FEATURE
PLEASE READ AND SAVE!
Table of Contents:
Page #
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
Operation & Alarm Characteristics.......................................... 6
What To Do If The Alarm Sounds ........................................... 7
Silence Feature ...................................................................... 7
Testing & Maintenance ........................................................... 8
Battery Replacement .............................................................. 8
CO & Natural Gas Alarm Limitations ....................................... 9
Operational Summary ........................................................... 11
Warranty ................................................................. Back Cover
Cert. to Std
CSA 6.19-01