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Old 07-05-2016, 04:31 PM   #31
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help identify other pro/cons please - solar set up

Well finally got my new Bogart controller. Not sure where the old one is and haven't heard from them yet.

Everything is installed and working well. In order to avoid adding holes to the roof I used the MC4 connectors and multipliers. It doesn't make for as clean of an instal but it's on the roof so I won't be looking at it. I did add some mc4 inline fuses as well. It was cheap insurance. Had I known you could get mc4 in lines when I first started it would have just been easier.

Yes one of the panels will receive shading if I am parked facing south. Otherwise it's a non issue and they are in parallel for that reason. I was going to mount that one on the rear of the trailer but the runs would have been longer than I liked. Getting 8 amps on over cast clouded days. If I get anything over 15amps on the lower efficiency flexible panels for extended periods it's all I wanted.

Thanks for the help.






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Old 07-05-2016, 05:34 PM   #32
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Nice job! I'm convinced the TM\SC combo will maximize the life of my batteries. I ran my full load on battery for 48 hours. Got home, turned everything off. I draw .4 on the TM, I've been w8n4 the meter to read 2.2 before I recharge, but 36 hours later I'm still at 2.4 :-). I'M still w8n4 my two 75 watt, flexible Lensun panels, They're made it to the US now, maybe Friday:-) I think I'm going to make a lightweight stand out of PVC
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Old 07-05-2016, 06:01 PM   #33
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Have you been having any trouble getting the MC4 connectors apart? I'm looking at making a 3ft. stub to go from the SC2030 out through to top of my combiner box to a MC4 clip then plug in the 15ft. extension before i deploy them. Would a different kind of clip work better (no tool maybe)?
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Old 07-05-2016, 11:06 PM   #34
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No they seem to come apart relatively easy. I have heard they can be stubborn if cold. But working with them outside hasn't been an issue so far when test fitting and or sizing wife and once they are together I have no reason in the future to undo them unless I have a problem.

But you may consider a more heavy duty style connector. Like those used on larger power connections in industrial equipment. You can get mini versions.


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Old 07-06-2016, 12:41 AM   #35
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Quote:
Originally Posted by friendofacatahoula View Post
Well finally got my new Bogart controller. Not sure where the old one is and haven't heard from them yet.

Everything is installed and working well. In order to avoid adding holes to the roof I used the MC4 connectors and multipliers. It doesn't make for as clean of an instal but it's on the roof so I won't be looking at it. I did add some mc4 inline fuses as well. It was cheap insurance. Had I known you could get mc4 in lines when I first started it would have just been easier.

Yes one of the panels will receive shading if I am parked facing south. Otherwise it's a non issue and they are in parallel for that reason. I was going to mount that one on the rear of the trailer but the runs would have been longer than I liked. Getting 8 amps on over cast clouded days. If I get anything over 15amps on the lower efficiency flexible panels for extended periods it's all I wanted.

Thanks for the help.






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Are those Renogy panels? They just recalled a ton of them. I have some non recall ones I haven't had an opportunity to install. Is that just duct tape holding the wires down?


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Old 07-06-2016, 06:11 AM   #36
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Are those Renogy panels? They just recalled a ton of them. I have some non recall ones I haven't had an opportunity to install. Is that just duct tape holding the wires down?


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They are not Renology but an off brand version which I suspect come from the same plant in China. The retailer here has sold over 1200 of these panels in the past two years. These are brand new just delivered from the supplier.

It is Eternabond tape. It will not come loose.


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Old 07-07-2016, 06:25 AM   #37
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You sound like you have thought about this a lot.

The newer flexible panels that glue to the top are getting pretty efficient. Layout to add as many as you can stuff on your roof. Even if you don't put them all up now, you can add more later. Figure out the maximum number you can put up there and get an MPPT controller that will handle that maximum. Use 8 gauge wire if you can, at least 10 gauge, and use a combiner box that you can add more lines two. Then you can add panels later as you want. You can also parallel new panels to your existing panels junction boxes instead of running them to the combiner box. You won't regret more panels. Install everything in parallel. Check each panel with a meter as you connect them.

Also look hard at your batteries. The whole six volt or 12 volt thing is pretty much irrelevant. Pound for Pound, it pretty much works out the same. Again, stuff as much battery as you can into your system. The key is not whether it is 6 or 12 volts, but rather your final amperage capacity in 12 volts. Personally, I have 4 LS-16s, which are 6 volt, with 2 pairs in series and those pairs in parallel, but that's just what worked best for me.

If you add a good voltage and current sensing meter, it will let you know your usage and the state of charge. Its easiest to estimate your state of charge using your voltage, but this changes with the load, so you need to know that as well. There are several good systems available for this.

Good Luck!

Charlie
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