Kidde KN-COSM-BCA User Manual page 23

Carbon Monoxide Safety
The CO sensor meets the alarm response time
requirements as follows:
At 70 PPM, the unit must alarm within 60-240 minutes.
At 150 PPM, the unit must alarm within 10-50 minutes.
At 400 PPM, the unit must alarm within 4-15 minutes.
NOTE: This carbon monoxide alarm is designed to detect
carbon monoxide gas from ANY source of combustion.
It is NOT designed to detect any other gas.
Fire departments, most utility companies and HVAC
contractors will perform CO inspections, some may
charge for this service. It's advisable to inquire about
any applicable fees prior to having the service
performed. Kidde will not pay for, or reimburse, the
owner or user of this product, for any repair or
dispatch calls related to the alarm sounding.
Possible Sources of CO
CO can be produced when burning any fossil fuel,
such as gasoline, propane, natural gas, oil and wood.
It can be produced by any fuel-burning appliance that
is malfunctioning, improperly installed, or not
ventilated correctly, such as:
• Furnaces, gas ranges/stoves, gas clothes dryers,
water heaters, portable fuel burning space heaters,
fireplaces, wood-burning stoves and certain
swimming pool heaters.
• Blocked chimneys or flues, back drafting and
changes in air pressure, corroded 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.
• Charcoal/gas grill or hibachis in an enclosed area.
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