diy solar

diy solar

Recent content by OilCan

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    New Solar Assistant Update Loses Battery Pack Data

    Well my fix was to go into configuration, change the battery protocol to another that would not work, then return back and set the protocol back to USB Modbus RS232/485 and reconnect. Battery packs reappeared.
  2. O

    New Solar Assistant Update Loses Battery Pack Data

    Just installed the new SA update and now my individual EG4LL battery packs are no longer visible, just a consolidated report. Has this happened to anyone else?
  3. O

    SA BATTERY QUESTION.

    One license works for both inverters and batteries.
  4. O

    Temperature Discrepancy Between EG4LL Screen & Solar Assistant

    I added a third EG4LL 24V 200AH rack battery earlier today and when checking the LCD screens on my batteries I noticed that Solar Assistant was reporting temperatures 6-7 degrees higher than what the LCD screens were showing. Isn't SA reading the internal readout for temps from the BMS or not...
  5. O

    Grounding Solar Panels to Utility Ground or New Ground Rod?

    Thats the purpose of system bonding and grounding to eliminate loops which is essentially sounds like you did. As far as discussion I know what you mean. When you place your equipment "between" grounding points is the development of the loop you are concerned about. Bonding and grounding...
  6. O

    Grounding Solar Panels to Utility Ground or New Ground Rod?

    Well not sure where that consensus originates but I think what you may have in mind is "single point grounding", where all grounds will tie together at a single point. Depending on soil conditions some structures may use perimeter grounding to improve their ground conductivity, that cannot be...
  7. O

    Grounding Solar Panels to Utility Ground or New Ground Rod?

    From the standpoint of lightning it still has a path into the house via the conductors of the PV panels, unfortunately the nature of high voltage. Grounding the panels is more for providing removal of static buildup and preventing shock by contact if a fault developed in the system and you...
  8. O

    Changing Growatt Fans

    I have Growatt SPF 3000 TLs and even at 1deg C the fans never turn off, just slower.
  9. O

    Solar Assistant Charts

    I am using standard USB A to B cables, no micros. Both units are communicating in real-time, why the chart doesn't plot the Host unit is the question. Wrote Solar Assistant about it and this was their response: "I don't think your inverter has an MPPT2, meaning they only take one MPPT string...
  10. O

    Solar Assistant Charts

    Well nuts I was wrong, I did have both units connected USB. Otherwise I would not have two USB ports showing in the inverter pulldown config. Anyway MPPT2 voltage and current are still not being plotted.
  11. O

    Solar Assistant Charts

    I wonder why that should be if the Slave inverter is relaying it's info to the Master why should that not work? But any will go ahead add a hub to the Pi just the same. Thanks, Bill
  12. O

    Solar Assistant Charts

    Only the Master inverter is connected to the Pi. Master and Host have their own cross-connected DB9 Com cables with each other. Plus my Pi USB ports are all full now.
  13. O

    Solar Assistant Charts

    I have two Growatt 3000 inverters running in my split-phase system. Both inverters are showing their data but when using the Charts Tab only MPPT1 graph appears active, MPPT2 data in charts is zero. Any cause for this behavior in SA?
  14. O

    HVAC A/C Heat Pump Failure

    You might want to test an oil sample for any burn out contamination befoe installing a new condenser. Something like this but a wholesaler may not sell to you but there are other sources for searching. https://www.nucalgon.com/products/refrigeration-vp-oils/total-lube-oil-test-kit/
  15. O

    Help please - Can’t get Solar Assistant to give details on EG4 LL v2 batteries

    Oh I am not saying it does not work, just not for me with direct cabling from a splitter in Solar Assistant if one wants information from each "pack". I had a third EG4LL V1 delivered yesterday but have not unpacked and installed that one yet. Also have on hand a second 4-port splitter but...
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