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Post Info TOPIC: Diesel Air Heaters


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Diesel Air Heaters


Has anyone mounted one of the Chinese Webasto copy air heaters vertically i.e. with the long axis perpendicular to the floor/ground?



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The manual of the heater I installed says only 30' from the horizontal is allowed. Why do you want to mount it vertically?

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My webasto installation instructions indicate it can be installed vertically with the hot air outlet at the top.

 

Ken

 

Webasto.bmp



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Webasto.bmp (892.7 kb)
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kgarnett wrote:

My webasto installation instructions indicate it can be installed vertically with the hot air outlet at the BOTTOM.

 


According to that diagram, rotating it clockwise puts the outlet at the bottom.

Cheers,

Peter



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OKA196, 4x4 'C' Class, DIY, self contained motorhome. 880W of solar, 400Ah of AGMs, 280L water, 280L fuel. http://tinyurl.com/OKA196xtMotorhome
 

 



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Yes, agreed. The outlet should be at the bottom if installed vertically.

Ken

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kgarnett wrote:

Yes, agreed. The outlet should be at the bottom if installed vertically.


 

Such that the, very, hot air rises back to make the heater (and its internal electronics) even hotter? Sounds a bit odd....



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DaveS wrote:

Has anyone mounted one of the Chinese Webasto copy air heaters vertically i.e. with the long axis perpendicular to the floor/ground?


 I read that as standing the heater on it's end. The answer is no.

The webasto can sit with the fuel inlet and combustion air inlet on the bottom ( going through the floor ) or laying on it's side with those inlets horizontal.

I think all others are the same but don't quote me on that.

Barry



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100 Series Turbo Cruiser & 21ft Lotus Trackvan


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Hmm, sorry, I have just had another look at that diagram and agree with Peter. But what I said about on it's side is correct.

Barry

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100 Series Turbo Cruiser & 21ft Lotus Trackvan


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Thx for the replies. The reason I was looking at mounting it vertically is that it is a much more efficient use of space in my situation. I also allows easy exit of the exhaust, keeps the fuel pump and fresh air inlet and fuel tank outside.
As far as I can see, the diagram from kgarnett is open to debate as to wether the out let should be at the top or bottom.

I have trial mounted with the hot air outlet at the top and it worked perfectly. According to teardown videos on youtube, I would imagine this to be ok, but will let you know further in a few weeks after some testing.
Once again, thanks for your replies.

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