Kidde KN-COPP-3 Owner's Manual page 27

Carbon Monoxide Safety
• The absence of a draft in your chimney (indicating
blockage).
• Fallen soot from the fireplace chimney.
• Loose, damaged or discolored bricks on your chimney.
Clues You Cannot See:
• Internal appliance damage or malfunctioning components.
• Improper burner adjustment.
• Hidden blockage or damage in chimneys.
Understand the Effects of Carbon Monoxide Exposure:
Concentration of CO
in Air
50 ppm (parts/million)
200 ppm
400 ppm
800 ppm
1,600 ppm
3,200 ppm
6,400 ppm
12,800 ppm
Reminder: This chart relates to the exposure of carbon monoxide to
healthy adults.
Approximate Inhalation Time and
Symptoms Developed
The maximum allowable concentration for
continuous exposure for healthy adults in
any 8-hour period, according to OSHA.
Slight headache, fatigue, dizziness, nausea
after 2–3 hours.
Frontal headaches within 1–2 hours, life
threatening after 3 hours.
Dizziness, nausea and convulsions within
45 minutes. Unconsciousness within
2 hours. Death within 2–3 hours.
Headache, dizziness and nausea within
20 minutes. Death within 1 hour.
Headache, dizziness and nausea within
5–10 minutes. Death within 25–30 minutes.
Headache, dizziness and nausea within
1–2 minutes. Death within 10–15 minutes.
Death within 1–3 minutes.
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