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Topic ClosedConnecting a 100 watt solar panel to Zamp port

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johnmaci View Drop Down
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Direct Link To This Post Topic: Connecting a 100 watt solar panel to Zamp port
    Posted: 16 Jun 2016 at 8:47am
OK, so I found online an intriguing picture.
As you can see, it shows an inverter connected to the DC load terminal. Is this accurate?

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CharlieM View Drop Down
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Direct Link To This Post Posted: 16 Jun 2016 at 9:08am
Originally posted by johnmaci

OK, so I found online an intriguing picture.
As you can see, it shows an inverter connected to the DC load terminal. Is this accurate?



First reaction is no. Second reaction, after some consideration, is hell no. Those load terminals are usually intended for low power long term lighting loads. That inverter at 1000W will draw more than 90A. It will be a race between the controller and the battery as to which one goes Poof! first.
Charlie
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PRESENT: 2014 Camplite 21RBS, 2013 Supercharged Tacoma 4L V6 4WD
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Don Halas View Drop Down
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Direct Link To This Post Posted: 16 Jun 2016 at 9:35am
"First reaction is no. Second reaction, after some consideration, is hell no. Those load terminals are usually intended for low power long term lighting loads. That inverter at 1000W will draw more than 90A. It will be a race between the controller and the battery as to which one goes Poof! first"

Yeah, I'm with Charlie on this. From what I understand the load should be low wattage. I have a 500 watt inverter, but it's only intended to be used for a hand mixer, or coffee bean grinder or in an emergency to allow us to use the television. I'm not going to run anything off the load from the charge controller. The needs of the trailer will continue to be supplied by the battery and through the converter installed in the Pod and the 12v receptacle that's wired to it.

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johnmaci View Drop Down
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Direct Link To This Post Posted: 16 Jun 2016 at 9:48am
That's what i thought, just wanted to make sure I had my info correct. Lot's of misinformation online even from the solar vendors......
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Direct Link To This Post Posted: 16 Jun 2016 at 3:17pm
Originally posted by Don Halas

I've received my solar panel, charge controller, cables and connectors. I've also got all the other incidental hardware I anticipate needing to put this together including the VHB tape and Dicor which I intended to use to semi-permanently mount the solar panel to the top of the pod.

I'm rethinking the panel mounting. It is a semi-flexible material .2" thick, weighs 4 lbs. and the manufacturer even suggests using Velcro as an attachment device.

So depending upon its flexibility and how well suited it will be to the curve on the top of the POD I'm considering using Velcro strips instead of the VHB tape.

As I've stated before I do not intend to store the panel or remove it when travelling and re-attach when setting up. I'd move it only as the season changes and the sun moves closer to the horizon.

I am now planning on installing Velcro along the entire edge of all sides of the panel. This will help ensure it staying put on the road and in the event of heavy wind. I'm planning on installing about 4' of Velcro vertically for the sides and 5 strips horizontally that will allow three distinct mounts.

Anyone have any thoughts or real concerns in this? Also I'm thinking clear vrs. black Velcro, but not sure what the clear might look like weathered.

I'm going to hook up everything this weekend, but won't make a panel mount decision until I've tested the system for a week or two. I'll post some photos of the install if anyone would be interested.


Great, Don. I bet you are excited to get all the hardware. It would help if you could give us an idea of what you have for solar panel and other hardware, maybe with some web links and photos. In any case I'll give my opinions. 

If you mount the panel on the sloped surface of your Rpod, then your trailer must be oriented in the direction of the Sun to produce best output. There may be circumstances when staying in a campground where the camper won't be pointed in the right direction. Some people get around this by placing the solar panel on the top of their camper. While this isn't optimum for low Sun conditions, it will produce the same output regardless of the direction the camper is oriented. Just something to consider.

I tend to go for dark colored material for anything plastic. It seems that it would better resist deterioration from the sun. It might be best to get the industrial strength velcro to better resist the wind.

We're looking forward to see what you come up with. Keep us posted.
Russ
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Direct Link To This Post Posted: 16 Jun 2016 at 3:53pm
Do you know the amp draw for the A/C unit?  If that s all I run, do you think it would work?  My Honda puts out almost 17 amps.
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Direct Link To This Post Posted: 17 Jun 2016 at 8:09am
Russ most of the details are in previous posts in this discussion. Once completed I'll post pics and a quick list of the major components.

I hooked it up last night and all worked well. On Saturday I'll do the install of everything but the permanent panel mount. I need to order several rolls of Velcro to do that. My concern with the Velcro is more with the adhesive that is used than the hook and loop. I'm probably going to have a fail safe mechanism for traveling.

The solars primary purpose is to keep the battery charged when the Pod sits at my house. Mounting the panel on the toe side is strategic as this offers Southern exposure the way we park it. If we find the need to I'll add another panel on the rear of the Pod, but it's not likely that I'll need it.

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Direct Link To This Post Posted: 19 Jun 2016 at 8:16am
Installed and cranking out power in the summer sun.   I still need to finalize the mounting of the panel.  Right now it's laying on the top with some suction cup hooks for holding as the Pod's not going anywhere.   I'll be installing the Velcro on the panels sometime this week and will post some pics of the installation within a week.

Thanks to all who've offered advice and guidance, especially JandL who turned me on to the Morningstar Controller.  That was the thing that made my entire design feasible.  

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johnmaci View Drop Down
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Direct Link To This Post Posted: 19 Jun 2016 at 8:57am
I used some Industrial Strength Velcro to attach a 50w panel to keep my battery charged during extended periods.
It went through wind and rain and never gave in; and had a dickens of a time removing it when I no longer needed the panel attached....

https://www.amazon.com/Velcro-Products-Industrial-Sticky-Back-positioning/dp/B004E2IADO/ref=sr_1_6?ie=UTF8&qid=1466340735&sr=8-6&keywords=velcro+industrial+strength
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Direct Link To This Post Posted: 20 Jun 2016 at 11:31am
Just curious. Hearing about the full moon on the summer solstice got me wondering if there's any power produced by the moon in optimum conditions like tonight and a clear sky.

I realize it would probably be miniscule, but thinking its possible.
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