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Old 03-19-2016, 05:34 PM   #1
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Heat pump

I have a question about my electric heater. Why does it sometimes blow heated air from the ceiling vents rather than the floor vents? It's kind of annoying when it blows down on us. Also does it require 50 amp shore power or will it run on 30 or 20 ?
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Old 03-19-2016, 05:36 PM   #2
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You probably have heat pumps like we do. Do you have thermostat set for gas or electric heat. If the temp variation is too much then both will come on automatically. Electric turns on the heat pumps and gas runs the furnaces.
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Old 03-19-2016, 05:38 PM   #3
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I have it set for electric. But what makes it come from the ceiling vents?
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Old 03-19-2016, 05:47 PM   #4
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Heat Pump

If part of your heating system is a heat pump, which is part of the ceiling mounted A/C, it blows hot air from where it originates. From your description, it sounds as if you have both a furnace for the coach, probably propane fueled, that blows warm air from the floor/furnace registers.

You also then have a heat pump, as part of the A/C, that blows warm air from the ceiling registers. You should be able to run one, or the other, as well as both, at the same time. Try adjusting your thermostats, if you have more than 1, 1 may control the furnace, and the other the heat pump.
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Old 03-19-2016, 05:51 PM   #5
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You have a "2009 Winnebago Journey 34Y" why not call Winnebago technical support and ask them?
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Old 03-19-2016, 05:58 PM   #6
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I have only 1 thermostat, and no roof mounted AC units. The AC is like a central AC unit. It does this intermittently. Maybe I will call the support line.
Thank you all for your quick responses.
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Old 03-19-2016, 07:15 PM   #7
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It comes from the roof because the electric heat comes from the heat pump. The floor registers come from your gas heater. If you don't want to have the heat come from the roof, turn your thermostat settings to "gas".
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Old 03-19-2016, 08:39 PM   #8
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Hello, read the document provided in the link, this will explain the sequence of operation of your heating system.

Link here
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Old 03-19-2016, 09:01 PM   #9
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Quote:
Originally Posted by Bug512 View Post
Hello, read the document provided in the link, this will explain the sequence of operation of your heating system.



Link here

Well written.


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Old 03-20-2016, 05:26 AM   #10
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Electric heat is the heat pump which is the AC in reverse. It will blow out the sane vents as the air conditioner. If it heat is set to warm the coach more than 3 or 4 degrees then the furnace will kick in with the heat pump to bring the temp up quickly. The furnace comes out the bottom registers.
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Old 03-20-2016, 06:03 AM   #11
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When you have your thermostat set to heat and set to electric, it will heat the coach using the heat pump (a/c unit) therefore it will blow out of the ceiling vents. If you set it to propane or furnace (or whatever winnebago designates other than electric) it will heat using the main furnace and blow out of the floor/ baseboard vents. Anytime you have it set to electric, its going to use the heat pump built into the a/c system and blow out the ceiling vents.
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Old 03-20-2016, 08:43 AM   #12
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To address the 50/30/20 amp question, the answer is yes. Your basement a/c & heat pump can operate on 30A or 20A, though it will probably only run one "stage" (it is a two stage compressor unit) to keep the total amp draw down. However, on 30A, and especially 20A, you will need to avoid using most other electric appliances because the heat pump will need most all the available power. You need to go on an electrical "diet" when you have only 30A or less available.
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Old 03-20-2016, 01:51 PM   #13
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Thank you, I get it now. That link has great info.
This is my first Class A I'm sure I will have more questions. Again Thank you all for the great input.
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