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  1. marconi

    EV charger issue - Garo PME trips

    https://www.tesla.com/sites/default/files/support/charging/Gen3_WallConnector_Installation_Manual.pdf Would you look at the link and page 36 - 'Wall Connector LEDs'. When you first start up the charger from powered off what is the pattern of vertical green LEDs you see which records the mcb...
  2. marconi

    EV charger issue - Garo PME trips

    http://www.electricneutron.com/wp-content/uploads/2012/07/Wire-sizing-_current-rating-table.pdf. Page 4 of 11 CCC of 4, 6 and 10mm2 cabling. https://www.tesla.com/sites/default/files/pdfs/wall-connector-eu/20161208/tesla-32a-wall-connector-installation-manual-en-EU-v2.pdf Page 9 minimum cable...
  3. marconi

    EV charger issue - Garo PME trips

    ElectricallyRandom: please tell us the exact make and model of your ev charger. I want to check its maximum power and power factor and what type and amperage of rcbo is recommended.
  4. marconi

    EV charger issue - Garo PME trips

    After awhile I've noticed that the PME fault device trips every now and again What actually trips in the GARO? The contactor, the RCD or both?
  5. marconi

    Need the right Time Delay Relay

    LART | Broyce Control, UK - https://broycecontrol.com/product/lart/ I think this Broyce control timer relay type LART will function as you described. It can do from power up a repetitive sequence which begins Toff or the reverse which begins with Ton. See the function diagrams.
  6. marconi

    How do you calculate the tollerances from a 3 phase winding measurement

    Are these dc resistance measurements? Assuming for now they are then: 1. Find the mean average of the resistances of the three windings. Thus Rmean = (2258 + 2262 + 2250) / 3; 2. Find the percentage difference D of each winding resistance from Rmean. Thus for example for the first winding...
  7. marconi

    Solar iBoost Screen Display not working

    Well the fault is not the battery which would have been nice. There is clearly more wrong which would require time, test equipment and diagnostic techniques to discover while working on a live printed circuit board. Alas it will not be me advising you how or offering to fix it. I think the...
  8. marconi

    Air Source pump tripping RCD

    Yes.
  9. marconi

    Solar iBoost Screen Display not working

    If you cannot find the same battery buy one with wires on, cut the plug off if there is one and solder the wire ends to the solder pads on the circuit board. Then secure the battery in place with a dab of superglue. CR2450 battery 550mah with Square Hole Plug For AFPX-BATT, FP-X series New |...
  10. marconi

    Air Source pump tripping RCD

    In LG monobloc manual: Circuit Breaker Specification Perform the electrical wiring work according to the electrical wiring connection. • All wiring must comply with local requirements. • Select a power source that is capable of supplying the current required by the appliance. • Use a recognized...
  11. marconi

    Air Source pump tripping RCD

    What is the electrical power rating of the LG unit? What is the make and model of type s rcd? The research I have done does not turn up an RCD type. Indeed, LG literature is silent on any special requirements for type of rcd. Could you sketch the intake, type S, dbs, final circuits etcetera...
  12. marconi

    Air Source pump tripping RCD

    Please send me the details of the ashp and I will do some research.
  13. marconi

    Air Source pump tripping RCD

    I do not think the Type S RCD has been damaged. The S type may be more sensitive to the waveform of the earth leakage current than the 30mA RCD and thus trips first. Let us know what the ASHP manual says about type of RCD. You tested them I believe and found they operated correctly?
  14. marconi

    Solar iBoost Screen Display not working

    Good morning from London. It looks promising we have found the problem. If you Google ‘CR2450 with solder tabs’ you will find the required battery for sale. Before purchasing do compare carefully the battery’s pin (solder tabs) design so it is compatible with the printed circuit board holes...
  15. marconi

    Air Source pump tripping RCD

    Further to my last: please would you use your MFT to measure and then report the Ze ( not Zs) so we can assess the site’s electrode resistance Ra. Do this at the db feeding the ashp.
  16. marconi

    Solar iBoost Screen Display not working

    You said in your opening post that the immersion heater is heating the water so current must be flowing through the iboost controller including its internal 16A fuse. I suspect the lithium battery inside the controller is flat or in a very low state of charge which is insufficient to power the...
  17. marconi

    Solar iBoost Screen Display not working

    Do you have SolariBOOST or SolariBOOST+ ?
  18. marconi

    Solar iBoost Screen Display not working

    Work your way through this troubleshooting guide or contact MARLEC technical help line: Troubleshoot My Solar iBoost™ - https://www.marlec.co.uk/troubleshootmysolariboost/
  19. marconi

    Air Source pump tripping RCD

    I suspect the ASHP's inverter circuitry and associated EMC filter are producing an earth leakage current which may extend to higher frequencies than the mains 50Hz. The first thing to do is look at the ASHP's installation manual to discover what type of RCD is required. Please post full...
  20. marconi

    Flashing LEDs when fan and lights off

    Clanky boy: Please would you explain your choice of 'nom de plume'. Just curious 'cos for a sparks it suggests mechanical rather than electrical.

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