KN-COEG-3 - Gas detector KIDDE - Free user manual and instructions
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| Product Type | Combination Carbon Monoxide & Explosive Gas Alarm |
| Model | KN-COEG-3 |
| Brand | Kidde |
| Power Source | 120V AC hardwired with 9V battery backup |
| Sensor Type | Electrochemical (CO) and semiconductor (explosive gas) |
| Digital Display | Yes, shows CO concentration in PPM |
| Alarm Loudness | 85 dB at 10 feet |
| Product Dimensions | 5.5 x 3.5 x 1.5 inches (14 x 8.9 x 3.8 cm) |
| Product Weight | 1 lb (0.45 kg) |
| Operating Temperature | 40°F to 100°F (4°C to 38°C) |
| Humidity Range | 5% to 95% non-condensing |
| Lifespan | 7 years from date of purchase |
| End-of-Life Warning | Yes, audible and visual indicator |
| Test/Reset Button | Yes, one button for test, silence, and reset |
| Compliance Standards | UL 2034, ANSI/UL 1484, CSA 6.19-01 |
| Installation Location | Ceilings or high walls for explosive gas; near bedrooms for CO |
| Warranty | 10 years limited warranty |
| Cleaning Instructions | Vacuum exterior monthly using soft brush attachment |
| Accessories Included | Mounting bracket, screws, and user manual |
| Replaceable Component | 9V battery (alkaline or lithium) |
Frequently Asked Questions - KN-COEG-3 KIDDE
What does the digital display show on the KN-COEG-3?
The digital display shows the current carbon monoxide concentration in parts per million (PPM). It also indicates fault codes and end-of-life warnings.
How often should I replace the battery?
Replace the 9V backup battery at least once a year, or when the low battery chirp sounds (every 30-60 seconds). Use a fresh alkaline or lithium battery.
Where should I install the Kidde KN-COEG-3?
Install on the ceiling or high on a wall for explosive gas detection (since gas rises), and near bedrooms for CO detection. Follow local codes and the manual's placement guidelines.
How do I test the alarm?
Press and release the Test/Reset button. The alarm will sound a loud beep pattern and the display will show '---' or a numeric test. Release the button to stop the test.
What do the different alarm patterns mean?
A continuous 4-beep pattern indicates carbon monoxide. A rapid chirping pattern (every second) indicates explosive gas. A single chirp every 30-60 seconds means low battery or end-of-life.
Can I silence a nuisance alarm?
Yes, press the Test/Reset button to silence the alarm for about 9 minutes. The unit will re-alarm if gas or CO levels remain dangerous.
How long does the alarm last before end-of-life?
The Kidde KN-COEG-3 has a lifespan of 7 years from the date of purchase. After 7 years, the unit will chirp and display 'End' to indicate it must be replaced.
How do I clean the gas detector?
Vacuum the exterior vents monthly using a soft brush attachment to remove dust and debris. Do not use water, solvents, or cleaners as they may damage the sensors.
What should I do if the CO or gas alarm sounds?
If the CO alarm sounds (4 beeps), move everyone outdoors and call 911. If the gas alarm sounds (rapid chirps), shut off the gas supply, ventilate the area, and leave immediately. Do not use electrical switches or phones until safe.
Is the KN-COEG-3 compatible with smart home systems?
This model is a standalone alarm and does not connect to smart home hubs. However, it can be interconnected with other Kidde alarms using the alarm interconnect wire (check local codes).
User questions about KN-COEG-3 KIDDE
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USER MANUAL KN-COEG-3 KIDDE
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Product information
Brand : KIDDE
Model : KN-COEG-3
Category : Gas detector