Kidde C3010 User Manual

• Blocked chimneys or flues, back drafts and changes in air pressure, cor-

roded or disconnected vent pipes, loose or cracked furnace 
exchangers. 

• Vehicles and other combustion engines running in an open or 

closed garage, attached or near a home.

• Burning charcoal or fuel in grills and barbecues in an enclosed area.

The following conditions can result in transient CO situations: 

• Excessive spillage or reverse venting of fuel-burning appliances caused 

by outdoor ambient conditions, such as, wind direction and/or veloc-
ity, including high gusts of wind, heavy air in the vent pipes (cold/
humid air with extended periods between cycles).

• Negative pressure resulting from the use of exhaust fans.

• Simultaneous operation of several fuel-burning appliances competing 

for limited internal air.

• Vent pipe connections vibrating loose from clothes dryers, furnaces, or 

water heaters.

• Obstructions in, or unconventional, vent pipe designs which can 

amplify the above situations.

• Extended operation of unvented fuel-burning devices (range, oven, 

fireplace, etc.).

• Temperature inversions which can trap exhaust gases near the 

ground.

• Vehicle idling in an open or closed garage, or near a home.

 

CO alarms provide early warning of the presence of CO, usually before a 
healthy adult would experience symptoms. This early warning is possible, 
however, only if your CO alarm is located, installed and maintained as 
described in this guide.

Because carbon monoxide is a cumulative poison, long-term exposures to 
low levels may cause symptoms, as well as short-term exposures to high 
levels. This Kidde unit has a time-weighted alarm – the higher the level of 
CO present, the sooner the alarm will be triggered. 

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