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  1. M

    Ideas for external waterproof cabinet for PV ground mounted system

    The Lone Ranger and Tonto are about to be overrun by hostile First Nations. "Well Tonto, looks like the end for us" "What do you mean, us ?", in a menacing voice.......
  2. M

    Spot the fault

    "how many amps in a kilowatt," Erm, if it helps, a kilo is about 2 pounds......... And my 2kW kettle holds 2 litres. So a kilowatt is 2 something amps right ?
  3. M

    Spot the fault

    Maybe the earth rod had dried out....... ?
  4. M

    Battery 200w min response

    Hi Jay "3kw (a third of our usage) " So about 9kW usage? Be aware that the maximum EPG output from the inverter may be way less than that. Eg my "5kW" Inverter only has a 3kW EPS output.
  5. M

    Growatt Inverter wired wrongly?- solar meter giving wrong readings.

    Hi Ben Your original FIT meter was located between the Solar Inverter and the grid. Measuring how much power was generated by the solar panels, Sounds like the new meter is measuring how much power is being sent towards the grid by the solar panels, and by the battery when it discharges. And how...
  6. M

    Solar PV direction / time of year / angle

    Interesting that the violet winter output is only a little more in December than with the panels at best summer angle, The areas under the curves would be revealing
  7. M

    Hi all

    "I'm brand new to this. Don't know what to say really" I used to be indecisive, but now I'm not so sure....... :) Seriously, welcome, John is really a cuddly bear.
  8. M

    Cable running question

    At which locations is the AC going to be used ? Close to the "supply point" ? Or to equipment in or around the sheds with the PV on ?
  9. M

    Battery to be Charged from Solar Panels

    Hi Malc Most domestic storage batteries charge and discharge DC. So plugging directly into an AC circuit won't work. The battery requires an AC to DC to AC device commonly called an Inverter. AC coupled as John suggests, it can be programmed to charge the battery when you have DC from the solar...
  10. M

    Valhalla

    You might not be able to find an inverter with a large enough EPS output to power your whole house. For instance, my 5kW inverter only has a 3kW EPS output. You can avoid extra "fuse boxes" and changeover switches by permanently connecting maintained equipment to the EPS output. I have my two...
  11. M

    Reliable outdoor lighting, smart control and alexa would be useful

    Sonoff pairing can be tricky. Pair with the Sonoff close to your home router. THEN install in the final location.
  12. M

    Automatic EPS versus Manual

    "in the event of power loss the contactor disconnects the incoming L & N and connects my consumer units to the EPS's." My understanding is that the maintained equipment should be on a separate earth. If there were a fault on the maintained equipment during power loss, the earth going back to...
  13. M

    Please Help - Heatstore Dynamic Quantum Storage Heaters HSDQ Range

    The left-hand CU has the MCBs for 1. immersion heater, 2. hall, 3. lounge, 4. bedroom, 5. kitchen. And this CU seems to be fed from the smart meter ? And that CU will only be powered when Octopus switch that CU on during the Off-Peak period of 1230 to 1630 ? So unless the heaters have...
  14. M

    L and N reversed on output of SoFar HYD5000-ES

    "plug in testers are not reliable for what you are looking at." I'm sure you're right. I only showed the image of the plug-in for info purposes. I actual discovered the problem by DVM measurements.
  15. M

    L and N reversed on output of SoFar HYD5000-ES

    Doesn't seem to be a reversal, just the effect of the output "floating". Which may be deliberate, to allow earth isolation from the on-grid output ?
  16. M

    L and N reversed on output of SoFar HYD5000-ES

    EPS E and N tied together corrected the L and N "reversal" :) But leaves the problem that in Off-Grid, E is not isolated from the Grid. So I will disconnect that tie, so that EPS is "floating" again. Disconnect the E wire to the freezers from the EPS E terminal. Connect that E and N to a new...
  17. M

    L and N reversed on output of SoFar HYD5000-ES

    Came across this, that suggests some makes of inverters have EPS output floating. And the solution, with caveats, is to tie N and E : https://camelot-forum.co.uk/phpBB3/viewtopic.php?f=14&t=1475
  18. M

    L and N reversed on output of SoFar HYD5000-ES

    I measure zero ohms between the EPS E terminal and the non-maintained E terminal. But anyway, temporarily cabled a 6A MCB to a CU earth, and touched onto the EPS E terminal. Made no difference: EPS N to E remains at 240V. It's the same with the DP Isolator OFF, so no load. All measured with an...
  19. M

    L and N reversed on output of SoFar HYD5000-ES

    "do mean the installation isn’t currently earthed ?" Installed as per SoFar diagrams, with just a DP Isolator on the EPS out. I've seen other images in installer's literature of a DP 13A socket wired directly to an EPS output without even an isolator, doesn't mean it's right of course. Since...
  20. M

    L and N reversed on output of SoFar HYD5000-ES

    Thanks for the answers. I'll install the earth spike, switch on, and if the RCD doesn't trip I'll measure the volts N to E.
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