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 > Motor Aid on New Winnebago

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ct1978barnes

Bryan Ohio USA

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Posted: 02/12/12 06:53pm Link  |  Print  |  Notify Moderator

Do you have to have the front heater on and heat seating in the red to get the rear heater to blow hot air in back. It dose not say much about it in the Winnebago book.


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Posted: 02/12/12 07:28pm Link  |  Print  |  Notify Moderator

If I'm understanding your question correctly, we have two furnaces and there are two zones on the thermostat - one for the front furnace/heat pump and zone two for the rear furnace/heat pump. Do you have one thermostat or two?


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Posted: 02/12/12 07:31pm Link  |  Print  |  Notify Moderator

Motoraid on my Winnebago was the engine heating the hot water heater while driving. As far as the rear heat I did not have to turn anything on up front except a switch for the rear fan.


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Cat320

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Posted: 02/12/12 07:31pm Link  |  Print  |  Notify Moderator

If you are using a heat pump...they don't work when it cold, around 45 and below.

cm

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Posted: 02/12/12 07:48pm Link  |  Print  |  Notify Moderator

Motor Aide is not a second furnace and it is not a heat pump.

To supply heat to the rear of the coach it is a auxiliary heater that runs off engine coolant. It is the same type of rear heater that you find in buses like a school bus or a airport shuttle bus.

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Posted: 02/12/12 08:31pm Link  |  Print  |  Notify Moderator

Some do have the rear heaters however motoraide is the automatic heating of hot water while engine is running. Two hours on the road and the water will be very hot. Great feature. I often take off in the morning if boondocking and stop and shower after driving for a couple of hours. Hot water, no charge.

Golden_HVAC

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Posted: 02/12/12 10:03pm Link  |  Print  |  Notify Moderator

Hi,

I agree that Motor Aid from the factory is only to heat the hot water heater.

Yet who knows what a prior owner installed in your coach? If you do have a fan coil, with water tubing that gets hot while driving, then you only need to find the fan switch, and turn it on on cold days. There might be a valve under the hood that controls water volume to the heater core, or not? Or the valve might be near the heater unit.

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ct78barnes

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Posted: 02/13/12 04:08am Link  |  Print  |  Notify Moderator

Thanks every one for the help . It is a brand new coach and it has black hoses that go around the water heater and the same under the bed so the hoses go back under the bed for some reason. It is a Winnebago Sightseer 35J 2011.It also has a fan switch in front that says rear heater that lights up green when on and has a low and high setting. What I am asking is front on the car heater dose it have to be in vent or heat mode for the rear heater under the bed to work. I turned it on our last trip and the wife went back and it was blowing cold air .

marvh

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Posted: 02/13/12 05:11am Link  |  Print  |  Notify Moderator

Why don't you call Winnebago? Marvh

Lt46

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Posted: 02/13/12 06:52am Link  |  Print  |  Notify Moderator

On my older Winnie, if the engine is running, coolant is circulating through the motoraid system. That is, from radiator to water heater to rear bedroom heater,back to radiator. The only "control" I have is a dash fan switch for bedroom heater. In other words; in the middle of July tooling down the highway my water heater is heating and my bedroom heater is hot. It's all or nothing.
Might be that newer models have a 1/4 turn water valve, or bypass in place somewhere to close off the rear heater option for summer months? I don't know but a call to Winnie might get you some answers


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