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Old 08-20-2012, 08:44 AM   #1
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Furnace activates smoke alarm

When running my furnace this weekend (was down to a nippy 50 in the morning), after about 15-20 mins, my smoke alarm went off. This happened the last time I ran the furnace as well a few weeks back.

The thing is, when I had the camper in last week for my "propane leak" (see other thread), they said they ran the furnace to check for this as well and everything was fine.

So I guess the questions are:
  1. Has anyone else had the smoke alarm go off when running the furnace?
  2. Should I be running the furnace with the top vent cracked a little as SOP? Seems counter-intuitive.
  3. Should I go back and call BS on the dealer?
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Old 08-20-2012, 09:07 AM   #2
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Not sure how long you have run the furnace. On a "new" camper, the furnace needs to cycle several times in order to "burn in". Otherwise it will set the smoke alarm off. May have to cycle it in the yard a few times, with a window or door open, and get the paint and oil burned off it.
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Old 08-20-2012, 09:28 AM   #3
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Quote:
Originally Posted by windrider
Not sure how long you have run the furnace. On a "new" camper, the furnace needs to cycle several times in order to "burn in". Otherwise it will set the smoke alarm off. May have to cycle it in the yard a few times, with a window or door open, and get the paint and oil burned off it.
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Old 08-20-2012, 09:35 AM   #4
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That was my thinking too, but again the dealer said they ran it and checked it for me.

I'll fire it up this afternoon and let it run for a good long while with all the windows cracked and the vent running, then see what happens with it sealed up.
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Old 08-20-2012, 08:00 PM   #5
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Dealer running it probably = turned it on long enough to feel heat and the propane detector not go off.

A good burn in will fix you up.
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Old 08-20-2012, 08:11 PM   #6
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Our dealer told us that our A frame's furnace run on electricity. I assumed from the post above that it actually run on propane? Just wondering if any one ever used an electric space heater? and it so, how did that turn out?
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Old 08-20-2012, 08:33 PM   #7
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I use a small electric space heater and it works fine down to 25deg., the only problem is the noise of the fan. Most of the small heaters have loud fans and I am still searching for a quiet one.
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Old 08-20-2012, 08:56 PM   #8
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I have a friend that has an ALiner Classic, same size as our aframes. He uses an electric heater (oscillating fan type ceramic). He loves it, but I'll likely use the LP furnace when the cool cat heat pump won't run.

THE FR AFrames are LP for the furnace, but the cool cat has an electric heat pump that works down to about 38F, after that you need either the gas furnace or another heat source.
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Old 08-20-2012, 09:00 PM   #9
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Yes. There are effectively two heaters. One is AC only (the coolcat in heat pump mode). The other is LP and uses DC Power for its fan. We haven't camped with AC yet (and don't expect to any time soon) so I was talking about the LP furnace.
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Old 08-21-2012, 08:22 AM   #10
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The electric oil filled heaters work great. No fan but will heat the trailer. We used one last winter while camping in BC and a few nights the temp. dropped below freezing. Had 2 in our 34' TT and did not have to run LP furnace.
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