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Post by Molly3 on Sat Aug 18, 2018 2:50 pm

What size solar panel can be fitted to a 2014 nuevo EK as the roof space is limited , I know the controller is limited to 120 w ,has anyone managed to fit a single 120 w panel ,or 2, 60c w .
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Post by grahamandjenny on Sun Aug 19, 2018 10:13 am

Hi Molly, I've just fitted a 100w 12v to my 2009 Nuevo EK, I just managed to get it in behind the main roof window.


Last edited by grahamandjenny on Sun Aug 19, 2018 10:19 am; edited 1 time in total (Reason for editing : typing error)
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Post by Molly3 on Sun Aug 19, 2018 7:11 pm

Was it a ridged or a flexible , not an easy job  on such a high roof  ,did you work from ladders or did the roof support  your weight OK .Bazz
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Post by grahamandjenny on Sun Aug 19, 2018 7:46 pm

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Post by grahamandjenny on Sun Aug 19, 2018 7:51 pm

It was a rigid solar panel and I used a ladder on the outside but in hindsight I should have used a step ladder inside and accessed through the big roof window, it would have been much easier I had to extend the reinforced roof area and used an old plastic chopping board which I cut up.
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Post by safariboy on Sun Aug 19, 2018 8:57 pm

We have a 140W panel transferred from our old van, but it has its own controller.
Does the aerial in the picture above produce a shadow and reduce the output of the panel?
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Post by grahamandjenny on Sun Aug 19, 2018 9:39 pm

safariboy wrote:We have a 140W panel transferred from our old van, but it has its own controller.
Does the aerial in the picture above produce a shadow and reduce the output of the panel?

Not noticeably, although we have only been using it during the summer, it may have more effect when the sun is lower.
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Post by Molly3 on Sun Aug 19, 2018 11:20 pm

grahamandjenny wrote:It was a rigid solar panel and I used a ladder on the outside but in hindsight I should have used a step ladder inside and accessed through the big roof window, it would have been much easier I had to extend the reinforced roof area and used an old plastic chopping board which I cut up.
Thanks for pics ,very different roof to 2014
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Post by inspiredron on Mon Aug 20, 2018 11:28 am

Yes, and I have an aircon unit where that solar panel is.  It only just fits!

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Post by Peter Brown on Mon Aug 20, 2018 12:29 pm

grahamandjenny wrote:[You must be registered and logged in to see this link.]

I speak from experience here: the extended Status aerial set for vertical polarisation can put the whole of the panel in shade in many conditions.

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Post by Molly3 on Mon Aug 20, 2018 6:21 pm

Perhaps if was set vertical  it would be better.
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Post by meanchris on Mon Aug 20, 2018 6:23 pm

Peter Brown wrote:
grahamandjenny wrote:[You must be registered and logged in to see this link.]

I speak from experience here: the extended Status aerial set for vertical polarisation can put the whole of the panel in shade in many conditions.

Best not mention the cell shunt overheat problem as well then. tap_fingers
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Post by -mojo- on Mon Aug 20, 2018 10:31 pm

Oh no, not the cell shunt overheat problem! You should know better than to mention the cell shunt overheat problem! hugegrins
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Post by inspiredron on Mon Aug 20, 2018 11:02 pm

Didn't they solve that one - no, come to think of it they only managed to handle it on panels that were square. Rectangular ones were too difficult to fix.

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Post by Suppersready on Tue Aug 21, 2018 10:25 am

Shading problems ....... Turn the van round
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Post by safariboy on Tue Aug 21, 2018 11:29 am

Excuse my ignorance but what is the shunt overheat problem.  Our panel is rectangular and seems to work.
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Post by Peter Brown on Tue Aug 21, 2018 11:58 am

safariboy wrote:Excuse my ignorance but what is the shunt overheat problem.  Our panel is rectangular and seems to work.

Its a wind up...……...

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Post by -mojo- on Tue Aug 21, 2018 12:10 pm

Peter Brown wrote:
Its a wind up...……...

Not entirely, but nearly - it is a recorded phenomenon and it got discussed at some length in a previous thread here, which maybe got a little overheated too.  But... yes, in practical terms it's probably not worth even thinking about.

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(The above is just an example from a 30-second Google - there are other papers on the subject that explain it better).
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