diy solar

diy solar

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  1. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    The second row is done, but I'm off on the angle. I put up boards to make sure they were all aligned. But I have to go with 24.4 +- to do all 30; I was trying at least to be at 28+.
  2. K

    New Tariffs in the States

    I had been worried about the ongoing issues and placed two orders; one shipped 5-8, and the other has yet to ship.
  3. K

    New Tariffs in the States

    Guess I will have to wait and see but it could get very expensive.
  4. K

    New Tariffs in the States

    I'm trying to read through the thread and understand if we would be impacted. If you have batteries already shipped, they will still be subject to the 100% tariff?
  5. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    Bank 3 was not getting charged off one 6s2p and moved a second one over. It's been very cloudy for days but the amps on the victron are very nice.
  6. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    The back row is almost done; I managed to get the first board across and will do the next shortly. I started working in the middle row this morning. I have not moved too many panels around yet, but bank 3 needs at least one 6s2p and 6s added.
  7. K

    Non solar related, Ryzen 7900x3d CPU for $329!

    That is a great price. I paid $349 a while back for the 7800x3d and then spent six months with a defective Zotac 4090. They have the worst tech support of any PC card company I have dealt with.
  8. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I started the next 30-panel installation and set the first row of 6-in x 6-in x 16-ft. They still look very tall, even though I was able to get down over 5 feet 2 inches feet with an extension.
  9. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    Here's the progress on bank 3 with the daly.
  10. K

    Copper busbar

    I oversized the busbars for the amps I would pull and had no issues.
  11. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I decided to add the core as I checked the watchmon often for bank 1/2. It's missing half of what I paid, but it can run the shunt. Even with over 360kWh, I'm sure winter will still be difficult. The carts are doing well and very easy to roll even with the weight on them. It's a great way to...
  12. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    Today, I moved inverter 2 to bank 3. After further charging, I bypassed the daily BMS and paralleled them directly for a day. I was happy to see this draw on bank two cut in 1/2. So far, I have yet to feel the daily get warm or even turn on the fans. It will be interesting to see how they do.
  13. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    Everything was originally 4wag; all the arrays at the 125ft are 4awg. I have one left near the house that is 4awg. I pulled all the 4awg that were the closest and used 8awg since they are now just 6s.
  14. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    Bank 4 continued to run up faster even after balancing for a few days. Surprisingly, they are very close; charging is between 950mah and 470mah before cutoff. Hopefully, they will now be even, but it saved months of charging one at a time. I am very interested to see how they behave after...
  15. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    After syncing, I read the manual several times, but the feature was not thoroughly explained. I ordered the direct cables that evening and posted a question on Victron to ensure I was not overlooking something. Snoobler responded to my question on the victron community. Put two on direct and...
  16. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I have them in every combiner box per string; I put breakers on all the single 6s arrays but wanted to research to research if that is sufficient.
  17. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I found these unistrut mounts on Amazon and decided to test them by laying the panels out just to be sure. I need to cut a small extension for the unistruts as well, but I can fit all 30 panels in the last spot on the side.
  18. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    Let them rest yesterday and set it to float at 54v this morning, but I must pull apart cell 4. The top bank second picture is in better shape.
  19. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I'm also doing that since I'm rewiring the panels. I decided the breakers were too expensive to replace multiple times. Now I have fuses in all the combiners, which are simple and much less expensive.
  20. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    Right at 60kWh, with these two it will make 6 in total.
  21. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I sat with the new banks for some time, watching them charge. The bottom bank had the largest delta in cell volts, no loose screws, and verified with the meters. Since it was 128, charging one per day would take too long. I am considering how to continue charging; charging is off, and I will...
  22. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I just figured it out, I went to make a test profile and that was replicated across all the controllers. There was a late night firmware update for the cerbo. As I had not made any changes to the victron units at all in the last two days. After the firmware update the two mppts were synced to...
  23. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    Hit the first issue with a victron, it's been doing well the past few days. I noticed it was getting close to the full on the watchman; the 450 never slowed down as the m8's went into bypass. There is no error/alarm in the history; I even set everything to 48v, which still ramps to 100 percent.
  24. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I finished all the final touches on the arrays after dark, It's already over 19kw this morning, so that is not too bad. Going to start marking the location for the following 30 panels today.
  25. K

    VRM screen shots. Post them!

    I'm still installing and working on everything, but this is what it looks like so far.
  26. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I finally made another ethernet cable to have the 3rd victron up in vrm. I do not see a way to make separate panels for each one. Does seem like you would need a cerbo for each one, I guess? I saw I can add the victron shunt to the cerbo so I may try that. I have a spare watchman and shut, but I...
  27. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    That is very nice, I wish the flat land was closer. I would have really liked to have long arrays in that fashion. I do have a flat, but it's all 220+ feet from the house.
  28. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    In the thread, one person talks about over-paneling: "The ISC is with 27,62A over the limit."
  29. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    That is a fascinating read; I am about 1/2 through the thread. Just finished wiring the panels up and checking all of them. I got two pallets to install and make a small 7-8 panel array for the mini split.
  30. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I was planning to run it in parallel on two inputs, but I have been thinking of different ideas for the following 30 panels. It would be easy to do two 6s2p, but I could put them all up from the next pallet. As the sun sets, I'm leaning towards the bottom row a 6s and the next 4 rows above into...
  31. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I wanted to double-check my math at midnight; 6s3p is too much for parallel on the victron.
  32. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    That is super impressive, I curious to see what the amps will be for everything. Since I'm going up in voltage on every array I wonder if I will see any reductions.
  33. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    We have almost finished adding the fifth panel to each row; after this, we will have 105 panels. Then, I will have lots more work as I need to do three more arrays and probably still have issues in the winter. I'm looking for anyone who loves solar and enjoys long hours of pay-free hard work.
  34. K

    Very new to solar but started purchasing items, not sure of the final specs of the whole system.

    I was initially shocked by how much they can reduce solar; we've had two storms midday where the growatt mppts clicked off. We are running the heat today and most likely tomorrow; it's cold for this time of the year.
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