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  • Post in thread: Safety check on my simple diagram please

    Thanks, here's the updated diagram with those edits if I understood correctly. What about the bonding of neutral/ground on the transfer switch?
  • Post in thread: What should I use for a disconnect in between my battery bank and positive busbar?

    Thank you. Something like this? https://www.grainger.com/product/22C189
  • Post in thread: Safety check on my simple diagram please

    @OffGridForGood This is how it's set up right now, I just moved into the place last year, and the transfer switch was already installed. I assume the Red and Black LINE on the bottom + the Neutral and Ground go out to a generator hookup, which is what I was going to sub out with my...
  • Post in thread: What happens if the panel draws more than the inverter can output?

    Let's say you have a split phase setup of two inverters such as MPP LV6548. Together they output somewhere around 100-110 Amps. What if you had a 200A panel and the AC kicked on or something and you drew above that inverter output amperage. What would happen?
  • Post in thread: House burned down

    Does anyone have recommendations on Class T fuses and holders to use? I have two 48V 5kW batteries right now, but will eventually expand to six (30kW total). I'm assuming I want 300A Class T fuses? I'm using the mega fuses right now from victron which don't seem to be a good idea from what I've...
  • Post in thread: What happens if the panel draws more than the inverter can output?

    Thanks all, what's the best way to monitor the amperage that the panel is drawing, does the inverter screen(s) show this, or is there something I put inline that can show the current?
  • Post in thread: Two different branded LV6548s, will they work together?

    I bought my first LV6548 a few months ago from watts247 and it was branded MPP solar, I bought my second one a few days ago from them again, but this time it was branded "Rich Solar". They look identical, but I just wanted to confirm they will work together? I'm going to run them linked together...
  • Post in thread: What should I use for a disconnect in between my battery bank and positive busbar?

    I need 350A, 48V I believe. Six-5kw EG4 batteries. This is the only thing I've found so far but not sure if it's right. https://www.santansolar.com/product/dc-disconnect-on-off-switch-350a/ I have a 300A class T fuse there as well, but want some additional safety by being able to isolate the...
  • Post in thread: What conduit do I use from wireway to inverters?

    I have two LV6548 inverters and a 6x6 wireway. I have a couple of beginner questions, I don't know much about conduit: Knockout hole sizes: The knockout holes on my wireway appear to be different sizes side by side. If the holes are different sizes, how do I address that? Conduit and...
  • Post in thread: Is this diagram correct? What would I be missing or doing incorrectly?

    Okay good to know, I am going with LiFePo4. I will scale it up, going to start with just one and will add as budget allows
  • Post in thread: Is this diagram correct? What would I be missing or doing incorrectly?

    Someone told me that you need a redundant breaker in between the panel and the AIO, even if the panel has a main breaker, not sure though! I do have 20 amp breakers (400V DC) planned for inline between the panels and the AIO, as part of the outdoor and indoor disconnects, is that okay?
  • Post in thread: Two different branded LV6548s, will they work together?

    Thanks, hopefully someone else has ran into this same issue before. I was hoping it is just the firmware as well.
  • Post in thread: Safety check on my simple diagram please

    Plan to run this as a backup system for now, will grid tie eventually. The transfer switch is already hooked up but none of the rest is yet.
  • Post in thread: What should I use for a disconnect in between my battery bank and positive busbar?

    Alrighty thanks, i'll skip that then. When I run the 4 hots (2 from each inverter for split phase) to my transfer switch, Do they go to separate LINE lugs, or do stack each hot from the same inverter on the same lug? Example: Here's the actual transfer switch (with generator input which...
  • Post in thread: MPP Solar LV6548 - Suitable conduit option for the PV inputs - With Pics

    Nice build, hoping I can get mine to look as clean! What are these things called that fasten the conduit to the inverter? How did you size them or do you remember the sizing for the LV6548? I need to run conduit from my wireway to my LV6548's
  • Post in thread: What conduit do I use from wireway to inverters?

    @ricardocello Thanks, so for the wireway, can i just punch holes anywhere with my knockout punch? (doesn't need to necessarily line up with those pre-measured areas? Or how does that work, I've never used a wireway before but I'm trying to make this a clean build.
  • Post in thread: House burned down

    What class T fuses are people using? The Blue Sea Class T Fuses are rated for 125V. I'm not sure how that works with a 48V system, does the voltage not matter as long as it's higher and the amperage for the fuse is dialed in?
  • Post in thread: Safety check on my simple diagram please

    Thanks! So instead of the two - 200A class T fuses, I would just need one fuse. Since it's in line on the 4/0 cable right off the battery bank would it need to be higher amperage then? For communication, that would be the serial cable running between the two inverters and then having them set...
  • Post in thread: Has anyone managed to get 4 gauge THWN wire to fit on LV6548 inverter?

    I have a 20 foot run between my inverter and panel, I'm using two LV6548 inverters for a split phase setup. It looks like that would be ~54 amps for each separate wire run to the panel. According to the charts I've seen online, 4 gauge seems to be the best choice here, and 6 gauge would be...
  • Post in thread: Is this diagram correct? What would I be missing or doing incorrectly?

    Okay, I will start with 10kw for 200 AH. Are the EG4 batteries an okay pick? The 48V lifepo4 or newer LL version are what I was thinking of.
  • Post in thread: Is this diagram correct? What would I be missing or doing incorrectly?

    Do you mean the solar panel amps? Each set of 6 in series will make 12.81 amps at full power, so 25% would be 16A breaker which is a bit obscure, which is why I rounded up to 20 amps, is that okay? I'm going use a thick wire even though I don't need it (6 gauge underground spec).
  • Post in thread: Is this diagram correct? What would I be missing or doing incorrectly?

    I made a diagram in Microsoft paint (sorry for the terrible artwork). Am I missing anything here (even little stuff)? I'm a beginner to solar and have been researching for a few months. The system will be totally off-grid and have no grid-tie in, with it's own separate subpanel. Thanks!
  • Post in thread: Safety check on my simple diagram please

    Would that be total between the two inverters? I wasn't sure if that 153 stacks and becomes 306 from both of them drawing for split phase.
  • Post in thread: Please check my wiring/diagram. Did I make any big mistakes or forget anything?

    Thanks, the ISC is 13.70 for the panels, that comes out to 21.37A. Could I use a 20A breaker? Could you please elaborate on this part: In the diagram I have two sets of leads +-, +- going from the solar panels to each MPPT input on the inverter. Do you mean to run an additional ground from...
  • Post in thread: Safety check on my simple diagram please

    My install is slowly coming along bit by bit. I was re-reading some posts and had a question on the Solar Assistant. Do you know if it works for split phase like I'm doing with two inverter, or only if the inverters are in parallel? If so, how would it connect between the two inverters? Here's...
  • Post in thread: Has anyone managed to get 4 gauge THWN wire to fit on LV6548 inverter?

    Okay thanks that makes me feel better, I'll go ahead and grap the cable then
  • Post in thread: Safety check on my simple diagram please

    Gotcha, so instead of just linking the two inverters together with comms like usual, I just link them both to the solar assistant, and the solar assistant sits in the middle? Or do the units still link together with comms the usual way, in addition to a USB out going to the solar assistant from...
  • Post in thread: Safety check on my simple diagram please

    Yes, I have the EG4 server rack, I only have two batteries in there to start since they are pricey, I plan to add more bit by bit until I get the full 6 (30kw). I haven't ran the battery cables yet, I'm waiting on my flexible conduit to get here for those, but it will be close, only a few feet...
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