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Old 04-13-2016, 07:39 PM   #31
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Solar controller. Sorry I haven't mastered the multiple photo in one post yet.
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Old 04-13-2016, 07:55 PM   #32
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Mount with adhesive.
Great!

Thank you.
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Old 04-13-2016, 08:25 PM   #33
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Wow! Rich.M Great job! Photos are excellent. I like the way you mounted the panels towards the rear and the wind is deflected by the A/C and fridge vent. HopHed, I think he has solved our problem! and to you Rich.M
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Old 04-14-2016, 12:25 AM   #34
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found similar topic-interesting

Found this today under Sunseeker, same roof. Going to ask about his panel mounting method. He got photos and you can see the thickness of the fiberglass and plywood.Solar Odyssey Begins - Day 1
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Old 04-14-2016, 08:28 AM   #35
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Hi there - got a message from Sagecoach to pop in and weigh in on the paper thin roof. Only one way to do this in my opinion and the opinion of AMsolar:

Here are the rocker mounts used:



Since the VHB tape will be compromised on the corrugated roof - this is the process. VHB application as normal - clean clean clean with a scrub brush and alchohol - set in place.

Drill 1/8 starter hole in through the mount holes. Fill with Dicor, coat screw with Dicor, screw in. Cover entire foot with generous helpings of Dicor over the entire foot - viola - I will share pics when back from the office.

Here is the mount video from AMSolar: AM Solar: Support €” AM Solar

Do not skimp here on the feet - they have never lost a properly installed panel
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Old 04-14-2016, 12:55 PM   #36
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I'm seeing Output numbers that are hard to believe. Either mixing watts, amps, Input output, .... Energy is not free. Regarding output watts - How & where are you reading the output in watts?


FYI some of the output (watts) is lost during the controller conversion from the 17+ volts the solar cells actually "manufacture" down to the 14VDc or so that is finally output by the solar controller for one to use.


As an example, my top of the line 3-wire German solar panels are rated at 384watts yielding a combined final output of 17.6 amps from the controller. At apx 14.4Vdc final controller output, that is 253Watts net. Most (if not all) other manufactured solar panels would be well below 200 watts for comparision - typically 125-175watts.


Read and verify where/when the displays are taken. The only real number is the amount being usably produced. Similiar to engine HP vs hp at the front or rear wheel on a vehicle.
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Old 04-14-2016, 02:09 PM   #37
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I don't know how others are doing what, but if the Trimetric TM2030 sees more charging amps or watts than load, it displays it as a positive number and more load than charge as a negative number. I have options for Ah or Watts. This shows the net of the controller output less the load from things and stuff.

The monitor is taking readings across the shunt with 4 wires, one on Battery 1 at 12+ (it can read voltage only on Battery 2) , one on the battery (-) side of the shunt, and two on the other side of the shunt with the charging source and loads.

When I said I read 20+ volts the other day, that was via a handheld digital meter at the controllers input with battery negative as reference -. I didn't attempt to read input amps on a handheld; I don't have the ability.

I don't know, but would think that when the controller is charging at 14.6 vdc, the current could be what the panel is rated at? Mine are a little over 8 amps each... 24 amps total, less voltage drop?? I haven't had very low batteries and a bright sunny day yet, to see what the current might be at maximum.

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Old 04-14-2016, 04:57 PM   #38
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I thought we were talking about mounts? I have an old photo from my controller display back when I was using 4 x 100 watt flexible Renogy panels. They were replaced on recall no charge with the eclipse panels. Great solar company!. My new panels thru this contoller produced 330 watts at noon on Islamorada, Florida Keys, full sun 2 weeks ago. Didn't take a picture of that one. Panels are wired parallel to rooftop combiner box then 6ga to controller and 6 ga to batteries.
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Old 04-15-2016, 02:23 PM   #39
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Another Similar topic on roof mounting

Saw this one this morning.
Solar Panels On Paper Thin Roof
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Old 04-16-2016, 04:42 PM   #40
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I have an old photo from my controller display back when I was using 4 x 100 watt flexible Renogy panels. My new panels thru this contoller produced 330 watts at noon on Islamorada, Florida Keys, full sun 2 weeks ago. Didn't take a picture of that one. Panels are wired parallel to rooftop combiner box then 6ga to controller and 6 ga to batteries.
I can not speak for that controller, but I think that is the actual ouput of the panels before the controller does its thing to reduce the voltage down to a usuable number (17/19+ to 14Vdc). If I had to guess, that number is around 250 watts +/-.

If you have a real battery monitor gauge, it will give you the "actual usable output" watts/amps after the controller loss (in heat) that makes it to the battery bank. I'll show mine in a month or so when I install it.
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