Diy fitting (1 Viewer)

Patcherelli

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Oct 26, 2014
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Want to fit a 100w panel to the roof. I've read up on the technical stuff like controllers etc etc but cant seem to find anything on the actual practicalities.
Is it screwed to the roof? I mean straight through the skin into whatever is underneath.
Running the wire to the controller (do i drill a hole?etc etc.

I've seen a couple of vids on you tube but still not confident.
My main concern is causing leaks.

Any ideas where i can get the advice, instructions?
 

MikeD

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Dec 21, 2011
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I have never fitted one but I am pretty sure you glue the panel brackets to the roof using Sikaflex or something similiar.

The only hole you have is the power cable down to the controller and that is through a waterproof box.

But I am sure that soon someone who actually knows what they are talking about will be on line soon. :xgrin:
 
Mar 26, 2009
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Andy - Techno100 will be along at sometime. He produced an excellent document outlining what has to be done to fit a panel. Unfortunately I can't find it.

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Dec 24, 2009
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The above advice is correct. Fix the corner brackets by pop riveting on the corners of the solar panel, clean and roughen your roof where the brackets go then bond with Sikaflex adhesive. You will have to drill a hole for the cable gland in the roof usually in an overhead locker or cupboard and bond the cable gland to the roof in the same way as you fix the panel.

Put plenty of sikaflex on the panel brackets so that you get a good layer between the brackets and the roof.
 
Apr 12, 2010
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Sikaflex is the key. Clean all contact areas, and take your time. Hiding the wires is the hardest part. The sequence of connecting up to the controller is important, read the instructions.
Its easy peasy really.
Phil
 
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Patcherelli

Patcherelli

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Thanks. What is the roof actually made of?
I have a vision of a wooden frame and some thin ply and some insulation somewhere in there.

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English Springer

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Patcherlli, I've been thinking of fitting a panel also but find that there so many to choose from. What brand have you gone for and does anyone recommend any others?
 

Badknee

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I too have been pondering the problems of water ingress after the fitting of solar panels to our MoHo, and after much research I've come to the conclusion that the safest place to alleviate the problem is to fit them under the van where the rain can't get to the fixings. :D

This post was by the ever helpful Badknee.

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Dec 24, 2009
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What your roof is made of will depend on who manufactured your van! Our Pilote for example is a fiberglass composite roof others will be aluminium sandwich construction. Most are vacuum sandwich construction and are generally safe to walk on except for the overcab section if you have one. If in any doubt use a plank or some other sort of support to spread the load.
 

ukbill

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i fitted mine by screwing to the roof self tap screws not to long and then loads of sealant i would never trust sealant on its own i bolted the roof brackets to the panel then i used 20mm plastic conduit (round white) to run my cables i needed to go across the roof i also put on a round conduit box for access fron the roof for the cables and everything was thoroughly seals and never had any leaks
 
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Patcherelli

Patcherelli

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Not decided on a make yet. Thats next step.

Anyone?

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Feb 27, 2011
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I have seen people sucessfully just use SikaFlex and nothing else. When I was fitting mine I prefer to over engineer everything. SikaFlex and loads of self tappers.
The hole was drilled then I used a pod like fitting with 2 cable entries. I don't like sticking 2 cables in one hole. I then used massive amounts of SikaFlex inside the fitting and around it.

3 x 80 watt solar panels on the van roof for a couple of years now and it is the only part of the van that doesn't leak :xrofl:
 
Jan 26, 2010
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I just used Sikaflex to bond mine to the roof (no screws as in my opinion, that opens up water ingress possibilities). They are solid and have not given any problems whatsoever.

When you drill through for the cables, I found that the conical shaped hole cutters were better than a big drill bit. I also made sure that a protective layer of paint was put onto the bared metal and I used rubber grommets to protect the cable from chafing on the metal.

A set of electrician's fish rods were handy for getting the cable fed through on the inside and it may be prudent to triple check the cable entry points for any potential obstructions and existing cables to avoid before drilling.
 
Jan 28, 2008
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no one has mentioned its best to decide where the cables are to enter the van and arrange the panel to keep the cable run as short as possible some vans have an electrical system that has terminals especially for solar connections in that case you would try and enter close to that other wise your probably looking for the best route to go to where you intend the controller to be and an easy run from that to your batteries

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Nov 6, 2013
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I too have been pondering the problems of water ingress after the fitting of solar panels to our MoHo, and after much research I've come to the conclusion that the safest place to alleviate the problem is to fit them under the van where the rain can't get to the fixings. :D
I was worried about water ingress too Badknee so I decided to put mine in the wardrobe so I don't have to drill any holes at all. :xrofl:
 

Chris

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I thought you just nailed them to the roof.

Then again I have a Autotrail:xgrin:

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Badknee

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I was worried about water ingress too Badknee so I decided to put mine in the wardrobe so I don't have to drill any holes at all. :xrofl:
Oh man, what a good idea. No crawling under the MoHo while you fix 'em on, brilliant!
 
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Patcherelli

Patcherelli

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Ah now the old grey cells are working. I could duct tape it over the battery under the sofa.
Save on cable too!

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Badknee

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Ah now the old grey cells are working. I could duct tape it over the battery under the sofa.
Save on cable too!
That's very true because they say you should have the shortest cable run possible don't they? Good idea.

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Badknee

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I was thinking just one big nail through the middle.:xThumb:
Hmm, not sure one would be enough, what about a big nut and bolt with big washers, one in one out, 'bout four inches in diameter would be my guess.
 

Chris

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Hmm, not sure one would be enough, what about a big nut and bolt with big washers, one in one out, 'bout four inches in diameter would be my guess.

Nah. one big nail and then down the pub:xThumb:
 

Chris

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Tell you what, you do it and video it as an instructional.
I'd pay to watch that!

Pop your van down then.

How many panels do you want fitting?

Bring nails by the way.

Please note I only do the affixing bit - all connections etc would be down to you.:xThumb:
 
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Patcherelli

Patcherelli

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Oct 26, 2014
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Pop your van down then.

How many panels do you want fitting?

Bring nails by the way.

Please note I only do the affixing bit - all connections etc would be down to you.:xThumb:

Thats fine. I'll bring some pins. We can nail the connections too.
 

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