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Old 12-24-2012, 07:15 AM   #11
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Too much heat in 30.5 RLS bedroom

We had too much heat in the bedroom so I installed a louvered vent which I can either close or limit the amount of heat coming from it
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Old 12-27-2012, 01:16 PM   #12
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We had too much heat in the bedroom so I installed a louvered vent which I can either close or limit the amount of heat coming from it
If you talk to Jayco they will discourage this. I work in residential HVAC and it's not a lot different than RV HVAC, RV HVAC is just smaller versions. If you use an adjustable vent you run the risk of overheating the furnace heat exchanger which will damage it and shorten it's life. If the overheating situation burns a hole in the heat exchanger you can introduce carbonmonoxide into the air stream which can kill.
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Old 12-27-2012, 04:42 PM   #13
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We we fixed the heat flow problem there was two places that had a T that just dumped to the underbelly we closed those off and now have a lot more flow to the back bunk.
On many rigs, that is how they keep the holding tanks from freezing. Closing all heat to the area may cause some problems if you are in sub freezing weather with the tanks.
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Old 12-27-2012, 05:32 PM   #14
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If you use a small 12 volt (or 120 VAC) fan in your rv to circulate the air, I think it would make a big difference in heat distribution, without playing around with trying to adjust the airflow from the furnace registers. A fan will also help with window condensation.
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Old 12-28-2012, 10:36 AM   #15
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I had the same problem on my TT... dealer could not find a reason for it... blocked the bedroom vents but that did not help at all... finally said "to heck with it" and got a Big buddy heater. I never turn the furnace on now...
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Old 12-28-2012, 11:05 AM   #16
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I had the same problem on my TT... dealer could not find a reason for it... blocked the bedroom vents but that did not help at all... finally said "to heck with it" and got a Big buddy heater. I never turn the furnace on now...
Seann, I have a Big Buddy heater, but it's in storage near Seattle right now, darn it. I'm curious, how much ventilation do you have to provide? I think I read in the manual that you're supposed to leave a window or two cracked open a bit for indoor use.
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Old 12-28-2012, 02:19 PM   #17
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We had the same problem - our dealer was familiar with it.

He had us bring it in as a warranty repair, and he PARTIALLY covered the vents to the underbelly in order to direct more air to the rear of the unit. Our unit has a front bedroom - rear living.

He also advised against closing the front vents.

I did buy & install louvered vents for the bedroom & bath - but on his advice know NOT to fully close them. I had wanted to add another duct & register at the rear of the living area, and he advised against that also.
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Old 12-29-2012, 08:50 AM   #18
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Originally Posted by allen8106 View Post
If you talk to Jayco they will discourage this. I work in residential HVAC and it's not a lot different than RV HVAC, RV HVAC is just smaller versions. If you use an adjustable vent you run the risk of overheating the furnace heat exchanger which will damage it and shorten it's life. If the overheating situation burns a hole in the heat exchanger you can introduce carbonmonoxide into the air stream which can kill.
Jayco sent me louvered vents that can be closed as a way to deal with the no heat in the living room problem.
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Old 01-01-2013, 03:31 PM   #19
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We had the same problem in our 30.5 RLS, dealer couldn't do or suggest anything and Jayco never responded to my email request. In speaking with someone familiar with RV's he said the problem is the supply to the underbelly to keep the holding tanks from freezing and the long run from furnace to duct and only the one duct. We also added a small portable elctric heater to assist in the rear. Because we have rear living area I am going to add an electric fireplace to the entertainment area to supply heat. Design flaw in my mind needs more supply to rear.
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Old 01-01-2013, 04:21 PM   #20
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Originally Posted by SmokerBill View Post
Seann, I have a Big Buddy heater, but it's in storage near Seattle right now, darn it. I'm curious, how much ventilation do you have to provide? I think I read in the manual that you're supposed to leave a window or two cracked open a bit for indoor use.
I crack my bathroom vent open less than 1/2".. the big buddy has a low O2 sensor and will shut itself off if needed.
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