Part Six – Frequently Asked Questions

Attempting to test the sensor function by holding the alarm next to a tailpipe or furnace vent may not cause a reading on the dis- play because today’s vehicles emit very little CO once the engine reaches operating temperature. Likewise, many of today’s high efficiency furnaces emit very low levels of CO.

Q.When I tried to test the unit I got a high number on the digital display, but the alarm didn’t sound immediately. Why?

A.Please refer to “How the unit determines when to alarm” on page 5-1 for an explanation of the “time weighted alarm.”

Q.Will the alarm last longer if I unplug it during the sum- mer months and only use it during the winter?

A.No. Some components of the alarm can deteriorate over time if not used regularly. We recommend the alarm be plugged in continuously for maximum alarm life.

Q.I use the alarm in a vacation home that isn’t always occupied and can have temperature extremes when no one is there (no heat or no air conditioning). Will that hurt the alarm? Should I leave it plugged in all the time?

A.We recommend that your alarm not be installed in areas where temperatures fall below 40˚F (4.4˚C) or rise above 100˚F (37.8˚C). Your alarm was designed to be constantly plugged in for maxi- mum performance.

Q.I plugged in the alarm at my house (my parents’, my neighbors’, etc.) and it read “0.” Does that mean everything is OK? (I’m thinking I can return the alarm since every- thing checks out OK.)

A.This alarm is designed to act as a continuous monitor, it is not designed for use as a short-term testing device to perform a quick check for the presence of CO or Gas.

Remember, a problem can occur at any time, even after a pro- fessional inspection has determined that everything is in proper working order. Examples of problems that can develop are a crack in a furnace heat exchanger, a leak in a water heater vent, a bird’s nest blocking a flue, or a Gas line fitting becomes loose.

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Nighthawk KN-COEG-3 manual Part Six Frequently Asked Questions
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KN-COEG-3 specifications

The Nighthawk KN-COEG-3 is a state-of-the-art carbon monoxide and explosive gas detector designed to offer paramount safety for homes and workplaces. With its sleek design and advanced technology, this device stands out in the market for its reliability and ease of use. One of the most striking features of the KN-COEG-3 is its dual-function capability, allowing it to detect both carbon monoxide (CO) emitted from sources like gas appliances and vehicles and explosive gases such as natural gas and propane. This dual detection provides an added layer of safety, ensuring that you are alerted to potential dangers in real time.

The device is equipped with a highly sensitive electrochemical sensor for carbon monoxide detection, which offers precise readings and minimizes false alarms. The explosive gas sensor utilizes a catalytic bead technology, which allows for quick identification of dangerous gas leaks. Together, these technologies ensure that you are protected from two of the most serious gas-related hazards.

Another key feature of the Nighthawk KN-COEG-3 is its user-friendly interface. The device includes a well-designed LCD display that provides clear, easy-to-read information regarding the levels of carbon monoxide and explosive gases detected in the air. It also features a loud alarm system that activates immediately upon detection of dangerous levels, ensuring that occupants can promptly respond to evacuation protocols.

The KN-COEG-3 boasts a compact and stylish design, making it easy to install in various locations, whether mounted on a wall or placed on a countertop. It is powered by an AC adapter with a battery backup, which guarantees continuous operation even in the event of a power outage. This reliability ensures peace of mind for users, whether they are at home or away.

Additionally, the device incorporates advanced self-test features that allow it to periodically check its sensor and system functionality, assuring users of its operational integrity. By coupling advanced technology with a commitment to user safety, the Nighthawk KN-COEG-3 presents a compelling solution for anyone looking to enhance their safety against carbon monoxide and explosive gas hazards in their environment.
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