Recent content by whinmoor

  1. whinmoor

    PV Inverter cutting off array sunny days

    Have you or your installer checked the inverter is set to the correct country code? I've had inverters supplied which were pre-configured for another country which has led to this kind of problem. (Solis was not the manufacturer though).
  2. whinmoor

    Solar PV insulation fault ABB aurora inverter.

    It would have been much better at the outset to wire the array up with 2 strings. Then you can try running the inverter with just one string and swap to the other. If it works with String A, but fails with String B, you can be pretty confident there's a fault with String B. You could try...
  3. whinmoor

    USED SOLAR KIT

    4mm is fine: https://www.ebay.co.uk/itm/Solar-PV-Cable-4mm-DC-rated-79A-TUV-PV1-H1Z2Z2-K-Free-P-P/263876684698?hash=item3d7046ab9a:g:7bUAAOSws8hbcbfq
  4. whinmoor

    USED SOLAR KIT

    1) Don't bother with optimisers 2) The inverter will work with fewer panels 3) Connect them in two roughly balanced strings 4) Samil (the manufacturer) has gone bust 5) If you don't know what you're doing, find someone competent to help 6) Don't fall off the roof or electrocute yourself
  5. whinmoor

    Solar irradiance goes up voltage goes down...

    It may seem strange but higher temperatures push down voltage. Lower temperatures push up voltage. System design needs to factor in possible extreme temperatures. In other words, when panels get hot, the voltage is lower, so what you're seeing is perfectly normal.
  6. whinmoor

    SolarEdge SE2200H

    We are a Solar Edge Professional installer in Yorkshire. I recommend you try Solar Edge's support office in London (although their technicians are probably working from home at the moment): Contact Us / Offices | SolarEdge - https://www.solaredge.com/uk/corporate/contact Before you phone them...
  7. whinmoor

    Aurora power one 3.6 not start

    Take the inverter to a friend's house and try it there ? Bring their inverter to your house and see if it works ? You could also try contacting a local solar installer to come out and look at it for you.
  8. whinmoor

    Aurora power one 3.6 not start

    1) Check isolators, circuit breakers, etc are in the correct position. 2) Undo the front cover and check the AC connection - are the live/neutral/earth wires in the correct terminals? 3) Test the AC voltage at the inverter. 4) Test the strings. Have you got voltage? Is the voltage within the...
  9. whinmoor

    Generation meters?

    We are still installing generation meters - usually Emlites. It's almost a habit. It seems like a good idea and not that much hassle in the greater scheme of things.
  10. whinmoor

    Solar Health Check?

    No - they will use it as an opportunity to sell you something else. Maybe a long term maintenance contract. Maybe an overpriced battery storage system. They may even create a problem which they will charge you to rectify. If it ain't broke....
  11. whinmoor

    Claiming on panel warranty (axitec - 2014)

    We've never installed Axitec but I checked my emails and Krannich were distributing this brand in February 2012 as I have a marketing email from them which says: AXITEC modules now have a 12 year guarantee AXITEC GmbH now guaranties for a period of 12 years that series AC PV modules are...
  12. whinmoor

    Effects of Scratches on Solar Panels?

    The only sensible way to test which panels are underperforming would be to put either micro-inverter or optimisers on each panel. You may find that a panel with minor scratches performs worse than a panel with serious scratches. Solar Edge would be my choice if you were to go down this route...
  13. whinmoor

    DNO negotiations

    You should be able to install as much PV as you wish under G98 as long as the export is limited to 16A per phase. We regularly install 5 or 6 kWp with a battery and G98 inverter. The DNO is notified after the PV system is commissioned.
  14. whinmoor

    Effects of Scratches on Solar Panels?

    This is one of the silliest examples of poor installation technique I've ever heard of. Those LG panels are top quality. One of the most expensive panels on the market. As a customer, you wouldn't accept a new car with scratches like that on it. Don't you deserve solar panels in great condition?
  15. whinmoor

    Recommend Solar PV cable

    Try Eland: Solar Cable – Interconnecting Solar Panel Cables (TUV Approved) | Eland Cables - https://www.elandcables.com/electrical-cable-and-accessories/cables-by-type/solar-cable
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