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Old 04-18-2014, 10:22 AM   #1
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Question Generator Caused CO2 Detector to Go Off

Last night we started a two day trip of dry camping. We planned on running the generator most of the night to keep our portable fans running. About 5 hrs into run time (approx 1:42 am) I got up to turn on the AC as it was getting warm. As soon as I turned on the AC fan the CO2 detector went off. We got everyone out and opened the windows. After about 10 min the light went back to green. We stayed outside for an hour or so then went back in to sleep. I am trying to figure out if it was coincidence that the CO2 went off as soon as the fan came on because the generator had been pushing CO2 into the coach or if the fan caused the CO2 detector to go off.

2012 Sunseeker 2450S
2015 Jeep Wrangler Toad
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Old 04-18-2014, 10:36 AM   #2
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Any IC engine produces CO2. When run near the trailer, CO2 can enter. In your case, outside air with C02 may have been pulled in by the AC. I suppose air conditions outside the trailer or camper and location of the running genset are a factor.

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Old 04-18-2014, 01:02 PM   #3
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Check your drivers side window. Is it rolled up tight or down a bit? Is the drivers door shut tight?The AC could pull fumes in with the genny running. The drivers and passenger windows are a good way to get a little air into the coach.
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Old 04-18-2014, 05:46 PM   #4
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There is a gap in the seal under the slide for the slide extension track. The generator exhaust isn't far from the gap. You may have been getting CO from the generator through it.

If fans are all that you need, instead of running the 33 amp generator to supply 1 or 2 amps to fans, get a cheap inverter or two, plug them into your 12 volt sockets, and run the fans off your coach batteries. The batteries will run a few fans for days. Just run the generator as you need to recharge the batteries. If you run the A/C a few hours during the day, the generator run time should be enough to recharge the batteries for the fan and lights usage. Check the wattage on your fans to get the right size inverter. One inverter could run two fans even if you need an extension cord to reach to one fan. Of course, you could install a permanently mounted invertor.

If you must run the generator while sleeping, pull the slide in. It seals much better when in.

You could take a look at generator exhaust extensions that are sold by RV supply places.
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Old 04-19-2014, 09:37 AM   #5
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I think this is a issue that needs to be looked into. After 3 years of trying 50 different ideas I still never got this problem solved on the Sunseeker. We survived off our genny and it ran almost nonstop so in turn it was a nonstop battle against co2 problems. The exhaust extension will help on days the wind is blowing the right direction. I went so far as to pull the genny completely out rebuild the area around the genny and that solved nothing. The best fix I came up with was installing a fantastic fan in the dinette area vent and cracking open a rear window to draw fresh air through the RV. My best advice is to go to Wal-Mart and spend 30 bucks on a digital co2 detector with a digital read out so you know exactly what the numbers are. Our factory one would go off way before the numbers were even close to being dangerous. Your only other option is to do what I did after I got frustrated enough and that is to go buy another genny that you can set away from the RV and use that one at night or when your going to run off it for several hours. Pulling the slide in will help but it doesn't completely fix the issue.

Good luck and be safe!
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Old 04-21-2014, 11:06 PM   #6
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Is it possible to install the Gen-Turi Generator Exhaust on the Sunseeker with the generator right behind the driver under the slide out? It seems like with the slide out extended it would be hard to line up the exhaust pipes.

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