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  1. I

    Name that mounting Clamp

    Hi Whinmoor Thank you for your help and sending me a replacement clamp. If i can help with anything please let me known. With regards to the panels being mounted inccorectly i am not loosing any sleep. All these issues have only came to light as i had a small intermitant leak through my roof...
  2. I

    Name that mounting Clamp

    Should have said .......clamped on the Short side in the landscape orientation, because this will invalidate the warranty.
  3. I

    Name that mounting Clamp

    Hi Whinmoor Thank you for the information that my panasonic/sanyo panels should not be mounted in the landsacape orientation and it will invalidate the warranty. I will make inquiries including As the installer is no longer trading i will contact QANW (the RECC recomended workmanship warranty...
  4. I

    Name that mounting Clamp

    Hi whinmoor I have attached the best photo i can get of the end rail today. Should be able to get better photo next week if necessary. Also forgot to say the roof is pitched concrete tiles.
  5. end of rail 007.JPG

    end of rail 007.JPG

    • Iain123
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  6. I

    Name that mounting Clamp

    Hi Westward10 Clamping Solar PV panels, they being Pansaonic HIT 240 panels in the landscape orientation.
  7. I

    Name that mounting Clamp

    Hello Group Trying to find out which manufactuers clamps were used on my install in 2014, as one Mid Clamp is broken (found with cam-out on the star torx stainless screw and the aluminuim sheared) so i can replace. The installer is nolonger trading. The installer told me they used Renousol...
  8. faulty pv clamp 001.JPG

    faulty pv clamp 001.JPG

    • Iain123
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  9. faulty pv clamp 002.JPG

    faulty pv clamp 002.JPG

    • Iain123
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  10. faulty pv clamp 003.JPG

    faulty pv clamp 003.JPG

    • Iain123
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  11. I

    Part P Building Regs addition of socket

    In my example would an RCD have to be installed to make the new additinal socket compliant with current regs or this unecessary?
  12. I

    Part P Building Regs addition of socket

    Hi Forum Struggling to get my head round interrupting the Building regulations The building regulations 4(3) require that on completion of work in an existing building, the building should comply with the current building regulations, or if it did not comply before the work began, be no worse...
  13. I

    3 Phase presentation

    I think it was the lack of a neutral out of the VFD that lead me to believe it was Delta only supply. I now realise a two shorting links between w2 u2 and v2 on the motor can be used to adjust the motor windings to be driven in the Star arrangement.
  14. I

    3 Phase presentation

    Hi Darkwood I think a lot of my confusion has come after looking at VFD and other converters. At first I though a single ph input VFD could produce a 400v delta or star output. Got a bit more understanding of single ph input VFD and their 230v delta output, big error I then transferred this...
  15. I

    3 Phase presentation

    Hi Darkwood Thanks for your comments, things are not as complicated as I thought they might be. I now remember reading about the star delta starter, but did not realise the Star (690v) was actually the normal 400V 3ph. "The 400v/690v motor is commonly known as a star/delta motor and can be...
  16. I

    3 Phase presentation

    HiForum Thisall came about as I am looking to use a 3 phase motor with variablefrequency drive/VFD and started to get confused with 3 phasevoltage. MyVFD uses one phase and neutral on the input and presents 3 phases onthe output in Delta (no neutral). At first I though I could simulate400V 3...
  17. I

    Cable run under floorboards

    The inverter manufacturer says the inverter does not need an RCD, but if an RCD is used on the circuit it needs to be 100ma or greater.
  18. I

    Cable run under floorboards

    Clipped direct to wall, not in wall and then under flooirboards
  19. I

    Cable run under floorboards

    The inverter manufacturer SMA Sunny boy guidance says do not use an RCD with a tripping current of less than 100ma to prevent false tripping which the NAPIT tester will not accept (he wants a 30ma RCD. The cable is fully visble for all of its run from airing cupboard and along landing. I have...
  20. I

    Cable run under floorboards

    Hi Group Had a third party inspection by a NAPIT tester, to get building control approval for a pv installation. He has failed the cable run in Twin and Earth under my floorboards even though its greater than 50mm from surface. No 30ma RCD fitted to this circuit. I though it was acceptable if...

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