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  1. marconi

    What dimmers you using for LEDs lamps...

    https://energenie4u.co.uk/res/pdfs/light-compatibility-chart-web.pdf https://auroralighting.com/downloadsdoc/gb/dimming_compatibility.pdf https://www.varilight.co.uk/leaflets/compatibility.pdf It might help you to look at the Brand A LED lamp to Brand B dimmer combo or vice versa...
  2. marconi

    Flashing LEDs when fan and lights off

    If zener does not work we can use current single pole switch plate to control a mains coil relay with double pole Normally Open contacts like this one: Finder 66.82.8.230.0300 - 30A Flange Mount Power Relay 230VAC DPST-NO -...
  3. marconi

    Flashing LEDs when fan and lights off

    Note to self - read all the earlier posts carefully before trying to be a clever dick.
  4. marconi

    Flashing LEDs when fan and lights off

    Clanky boy - good evening Sir. I was pondering one of your earlier posts which included a wiring schematic. I have included it is an attachment below. In my blue balloon marked X do you in reality have three wires going to the single pole light switch? I have another very simple idea to...
  5. clankyboy.jpg

    clankyboy.jpg

    • marconi
    • Media item
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    • Category: Electrical Videos
  6. marconi

    Flashing LEDs when fan and lights off

    Zener Diode Vector Illustration Isolated On Stock Vector (Royalty Free) 2137075083 | Shutterstock - https://www.shutterstock.com/image-vector/zener-diode-vector-illustration-isolated-on-2137075083 Zener diode markings to identify which way round to connect it.
  7. marconi

    Effect of SSEN "down tapping" our transformer

    Who is your electricity supplier and what is the tariff's name you are on please?
  8. marconi

    Effect of SSEN "down tapping" our transformer

    Since the greatest return on the investment in this Solar PV and storage system is by self-consumption ie avoiding paying for imported electricity at peak/day rates, and that for most of the time during the year your panels will be producing far less than 5kW, your inverter's maximum power, you...
  9. marconi

    Effect of SSEN "down tapping" our transformer

    What is the peak power of your solar array(s) and inverter(s)? Or, if your panels where completely insolated what power would they produce and could your inverter(s) then convert all this solar power to mains ac power for export? Single phase?
  10. marconi

    Flashing LEDs when fan and lights off

    I drew the zener diodes connected the wrong way round in my first post. To block the +14V they need to be as in the sketch attached.
  11. IMG_1600.jpeg

    IMG_1600.jpeg

    • marconi
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  12. marconi

    Flashing LEDs when fan and lights off

    I turned up this ‘open up’ of a manrose timer fan. If you look at 4m50s you will see the chap has sketched the timer circuit and shows how the SL input is connected to the circuit. Just by looking at the adjacent circuitry of diodes and r3istors and capacitors you can see the possibility of dc...
  13. IMG_1599.jpeg

    IMG_1599.jpeg

    • marconi
    • Media item
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    • Category: Electrical Videos
  14. marconi

    Flashing LEDs when fan and lights off

    I suspect that the electronic circuit in the manrose 1351 timer is acting as a dc voltage source circa 14V at its SL output. Tomorrow I will draw you a sketch of what I think the innards of the 1351 looks like. This small voltage current source is sufficient to light the low wattage LEDs...
  15. marconi

    AHU not working anyone any ideas on this

    Further to my last. Page 77 of 78 gives support contact details and mentions a Toshiba app to download with the fault codes.
  16. marconi

    AHU not working anyone any ideas on this

    How those three LED lights flash is a code to report a fault using the built in test functionality. Please could you describe and/or film what these three lights are doing. This technical document may be helpful (pages 25/78 onwards) if your AHU series is covered within otherwise you could...
  17. marconi

    What are your thoughts on people wanting to be ultra neat when wiring inside boards?

    Neatness and logical routing of conductors can help their identification and tracing and thus purpose which in turn may reduce errors at the time of wiring and later when say inspecting and testing. Neatness also suggests care and pride in a job well done and not rushed to complete.
  18. marconi

    Lucien Nunes funeral (celebration of life) details......

    My wife and I attended Lucien's funeral this afternoon in the leafy district of North London - Golders Green. The chapel was a full house as one might have expected. His family and friends had carefully prepared the service, readings and eulogies and there were amusing and touching video...
  19. marconi

    This could be an interesting time….

    The fickle finger of fate has found you for this to fix this for a fair price and fine work for a most fortunate customer.
  20. marconi

    Motor cap failed again

    Overheating of the capacitor may be caused by: 1. Frequent on/off/on/off of the motor which causes the capacitor to rise in temperature; 2. A long extension lead (and perhaps a thin one too) which causes a high voltage drop during the starting period. The starting torque of the motor is...

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