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Old 11-23-2012, 11:01 PM   #1
Join Date: May 2012
Posts: 25
Furnace Blower Stays On


This might be a dumb question, but here goes: I ran the furnace in my new 35' Wildwood this past weekend on a hunting trip. I have never had a trailer with ducted heat and air conditioning, so I am not familiar with how they operate, I guess. When I set the thermostat to "heat" mode, the blower on the A/C unit started to run, and ran continuously all weekend, even when the furnace was not actively heating (just like when the air conditioner is on). I don't know if the furnace and the A/C share the same blower motor or (?) The strange part to me was that there was constantly room temperature air coming out of the vents on the ceiling, and then heat from the floor vents, only when the furnace was in a heating cycle. Is this the way the furnace should operate? I thought the blower would only come on when the furnace was actively heating, and I would have thought that the furnace would operate seperately from the unit on the ceiling. Someone "in the know" please tell me if it sounds like my system was operating properly.

Tony B

Tony B.
2012 Forest River Wildwood 32BHDS
2010 Toyota Tundra Crewmax
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Old 11-24-2012, 04:34 AM   #2
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Location: Clarksville Va.
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It sounds like you had fan set to on instead of auto on the bottom of the stat. Set your stat to heat and auto, then your furnace will only blow air out of the floor registers. They are separate systems running off of one stat. If you set the stat to on the blower from the ac in the ceiling will stay on until you switch it to auto.

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Old 11-24-2012, 08:13 AM   #3
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X2- change the fan to auto. On a dometic thermostat, under the fan setting there is, high, low, and AU- which is auto.
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Old 11-24-2012, 08:34 AM   #4
Join Date: May 2012
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Thanks for the input guys. I will try it again and make sure I have the thermostat set properly.
Tony B.
2012 Forest River Wildwood 32BHDS
2010 Toyota Tundra Crewmax
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