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Old 10-10-2016, 01:15 AM   #85
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1975 31' Sovereign
Twin Falls , Idaho
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I have two hundred watt solar panels installed. I use a trimetric 2030 monitor and a sc2030 to manage my power input. Properly installed with breakers on each side I have had no issues and love to see the charge. I have a two bat setup lead acid interstates which are way worse than the original Costco bats. At any rate, I get the same power with one bat that I now get with two interstates. Crap batteries. The benefit I get with the two pos interstates is that with solar I am recharged 100% usually by noon. Cloudy days over three days are an issue.
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Old 10-10-2016, 08:38 AM   #86
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Great Thread-Installing both

On our restore of our 65 Overlander, we are going to be installing both.

Have a 3000kw charger/inverter connected up to LI 240AH LI battery bank used in automotive application. Single cell hooked up in 4 cell super cells and then 4 of these into series for my 12vdc system with BMS.

Then installing 300 watts of solar w/ capabilities of 400watts.

Extending bumper (have 2" lift kit) to accommodate 2kw generator w/ 30 amp RV plug. Generator gas or propane

All appliances propane/12vdc except for microwave and frig is 3 way. Wife unit had to have her convective (sp?) oven.

As far as environment goes, I love being out in it and I am a good steward. I leave nothing but tracks but I do not believe I am destroying it with my toys.
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Old 10-11-2016, 08:01 AM   #87
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Had the space, so installed a ninth 100 watt AM solar panel on the roof of the Classic. That maxes out the load capacity with no voltage drop of the #2 copper wiring coming into the trailer from the roof and maxes out the capacity of our solar charge controller at 51.3 amps on a bright day.
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Old 10-11-2016, 08:27 AM   #88
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Tagging the #2

Quote:
Originally Posted by switz View Post
Had the space, so installed a ninth 100 watt AM solar panel on the roof of the Classic. That maxes out the load capacity with no voltage drop of the #2 copper wiring coming into the trailer from the roof and maxes out the capacity of our solar charge controller at 51.3 amps on a bright day.
I would like to know what you are using for a "combiner" for all these panels. Do you have a way to monitor efficiency of a bank or each to determine a bad cell.
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Old 10-11-2016, 07:22 PM   #89
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I would like to know what you are using for a "combiner" for all these panels. Do you have a way to monitor efficiency of a bank or each to determine a bad cell.
I have never seen a monitoring system that would allow you to look at each panel individually to measure it's performance. The only way I could see to do that would be to use a single Blue Sky 2512iX-HV controller for each panel (up to 8) and daisy chain them all into a single iPN-PRO remote to control and monitor them all. You can look at each 'system' to see what the individual outputs are.

While you could 'see' what each single panel is doing, buy WHY???? it would be expensive and redundant! After 11 years of installing QUALITY solar modules and systems, I have yet to see panels that do not perform to their stated specifications WITH THE EXCEPTION OF FLEX PANELS!!!!!!

I'll re-iterate what I have posted in the past; I have 500 watts (5 X 100 watts) of flex panes mounted to the roof of my Sprinter service van. They are screwed to a single sheet of .090 aluminum that provides a nice, smooth amounting surface and also serves as a heat sink.

After 2 years on the roof, first using a Blue Sky 3024iL controller with iPN-PRO remote and recently a Magnum 100/50 controller with their BMV-702 battery monitor and Color Control system. It is also being monitored thru their smart app via their blue tooth dongles right to my iPhone.

The flex panels are presently at a MAXIMUM output just 22% of capacity....or 105 watts!! I have seen up to the full 500 watt from the previous array of GS-100 rigid panels (including MPPT boost). They are being replaced with 5 of AM Solar's new SP-100 panels (virtually identical to the old Grape Solar GS-100s) as soon as I get back to my shop in FL, along with new Victron lithium batteries and a MultiPlus inverter/charger.

Buy QUALITY panels that have an industry track record and you won't have to worry about monitoring each panel.......
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Old 10-12-2016, 04:54 PM   #90
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Why look at them? Because I want to and I like looking at things. I never said monitor individual cells but banks as a trouble shooting tool.

I appreciate your knowledge but can do without your lectures
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Old 10-12-2016, 05:11 PM   #91
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Well "eartick" maybee you should find another place to hang out. I for one appreciate all the knowledge that "lewster" has given on the subject of solar and electrical and his answer will help all of us that read this forum.

It is too bad you are having a bad day.

Dave
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Old 10-12-2016, 06:16 PM   #92
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We have a junction box on the roof behind the second skylight that all nine cables run into to buss bars. From there, the two #2 copper stranded wire carries the current down the refrigerator chimney to a disconnect switch and then forward to the Morningstar solar charge controller located in the bottom triangular cabinet attached to the dinette seat. From there the power heads to the 600 watt lithium battery under the sofa via another disconnect switch.
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Old 10-12-2016, 08:34 PM   #93
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Well my reply was not even directed to him to start with but yet he decided he would interject and not in an entirely appropriate manner. I was curious about another forum member did his combiner.

So if you feel I need to leave I am sure there is a way you can take care of that.
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Old 10-12-2016, 08:43 PM   #94
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Ok thanks. So you don't provide fusing or breakers for panels after combining more than 3 panels.

The studying I have been doing on this that after three parallel panel a combiner box has to be provided with means of protection. Then looking around sure enough there are devices out there that meet those specs.

So I plan on bringing mine in to a fused panel where I "combine" them before going into the controller. My shunt will go on the negative for my digital panel meter that I will be using.
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Old 10-13-2016, 12:58 PM   #95
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I admire your pragmatism Joe. What are the particulars of your solar system? Brand, etc?



Steve
Sent from my iPhone using Airstream Forums

I began with a single Kyocera KC85 panel, Blue Sky 2000E MPPT controller and 6 ga wiring with an eye to adding panels as needed. 85w was ok for our open sky camping in CO and UT, but shaded sites in Olympic NP led me to add two more panels, Solartech SPM085P-TS 85-Watt (same size, specs as the discontinued Kyocera). Easy additions using MC4 connectors and 3M VHB mounting tape. These panels fit nicely atop our FC23FB (removed the unused TV antenna). I have room for one more panel, but the combined 255 watts seems to be sufficient for our needs.

Cheers,
Joe
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Old 10-14-2016, 06:03 AM   #96
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Why look at them? Because I want to and I like looking at things. I never said monitor individual cells but banks as a trouble shooting tool.

I appreciate your knowledge but can do without your lectures
Mr. E.Tick,
There are many of us on this forum that look forward to Lewsters 'lectures' because his knowledge on this subject are second to none. There are many who attend his seminars at numerous events. Please look into his 'lecture' posts throughout this forum and you will gain an appreciation for the depth of knowledge this member has and might gain some insight to your questions. It will no doubt save you from asking redundant questions or making a serious mistake while your are 'looking' at things.
Be nice and have a better day.
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Old 10-14-2016, 07:32 AM   #97
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Sometimes it's not what you said but how you said it.
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Old 10-14-2016, 12:39 PM   #98
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Sounds like EARTICK has a tick in his ear.
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