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Old 12-31-2008 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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Default Carbon Monoxide sensor location

Can anybody tell me where the correct mounting place for a carbon monoxide sensor or detector is?

Jim
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Old 12-31-2008 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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1. Follow the manufacturer's installation instructions.

2. Follow the NFPA 720 - Standard for the Installation of Carbon Monoxide (CO) Warning Equipment.

3. Check your local building code. (R313 of the 2009 IRC / 2007 FRC)
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Old 12-31-2008 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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Old 12-31-2008 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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Good answer's so far, can anybody tell me what height on the wall one should be mounted? Where is the most co concentration?

Jim
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Assured Security Agency
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Direct: (574) 202-3473

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Email: jim [at] sendthepolice.com
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Old 12-31-2008 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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the 1st link is the best for your Q

http://www.newton.dep.anl.gov/askasc.../chem03364.htm

http://www.homesafe.com/coalert/detect.php
http://www.homesafe.com/coalert/detect_page_2.php
http://www.homesafe.com/coalert/detect_page_3.php
http://www.cpsc.gov/CPSCPUB/PUBS/466.html

http://www.carbon-monoxide-poisoning...nt-killer.html
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Old 12-31-2008 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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CO has nearly the same density (specific gravity) as regular air. However, sickness and deaths from CO poisoning have been a result of a product of combustion or mosre precisely, incomplete combustion. Combustion is heated exhaust from fuel buring appliances, cars, generators, etc. Heated air rises. Thus, CO alarms should be installed in relatively the same location you would install smoke alarms.

Also perform a search on the term "Coanda Effect". This is a principle theory of vapor flow and the placement of hood systems. The same may apply to CO emmissions.
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Old 12-31-2008 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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I've attached the installation instructions for the GE ESL 240-COe CO detector. It should provide a good rule of thumb placement for your needs.
Attached Images
File Type: pdf ESL 240-COE.pdf (626.6 KB, 4425 views)
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Old 01-01-2009 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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NFPA requirement on carbon monoxide detector placement?

I looked and could not find much at all in the NFPA 72 2006 edition about carbon monoxide detector placement. Its there another NFPA publication that defines detector placement? Steve

UPDATE:After rereading the post I see Bryan already posted; NFPA 720 - Standard for the Installation of Carbon Monoxide (CO) Warning Equip


Lots of great information in this topic! I'll check out NFPA 720, I'm always up for learning more about our industry.
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Old 01-01-2009 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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Habital rms, basements garages etc, about eye level (5').
Bedrooms and other such areas around 3'.
Reason being thats where your head will be the longest. Logical not code.
Mfg suggestion or local code the true answer.
Massachusetts has a pretty intence policy on the subject.

http://www.mass.gov/Eeops/docs/dfs/o...red/527031.pdf
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Old 01-01-2009 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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Excellent Guys,

This has always been a great question as many manufacturers have different placement requirements and no one can really decide where the best placement is.

One would assume the manufacturer would have determined the best location for their particular device, and that is usually found in their manual.

There are so many variables (temp, air flow, humidity, other environmental) that it's hard to say where the best location is for any given space.

I like one at each bed (head level or 3' as in Massachusetts) as the best life safety location and the 5' as the best overall notification location. Many of the manufacturers also follow this. The problem is usually the end user objects to these placements for aesthetics reasons.

Usually they are placed at the 1' down location which is pretty close, and I am still out on ceiling placement unless AHJ is requiring it.

Jim
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Old 01-02-2009 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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Myself, I have one at each level of my house, basement,15' from my gas boiler and water heater. All are combinations Photo/CO.
I'm bad, no heat or CO in the attached garage.
But during the power outage (Ice storm) I put this temp in.
Garage to the left, Game rm. ahead and main house from photo location.
I had a generator running outside of the garage.
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Old 01-02-2009 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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Hmmm, stair mounted I haven't seen that before

(I couldn't resist - sorry)

Jim
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Old 01-02-2009 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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Well, Ya know the plumbers sink always leaks and the Electricians house always needs light bulbs!
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Old 01-02-2009 - Carbon Monoxide sensor location - Fire Alarm Systems - Voltage Talk forum
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I know...

I still need to hook up that water leak sensor, I have, to that already programmed zone wire laying downstairs where the water will start.

And I had a flood once!

Jim
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