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  1. C

    Sunny Design - What is optimal Nominal Power Ratio?

    I'm getting confused - can anyone clarify what is the most desirable Nominal Power Ratio? In both versions of Sunny Design it say in inverter compatibility that the ration should be in the range of 80% to 120% but what is most desirable? Are we looking to get as close to 100% as possible or as...
  2. M

    Sunny Design 2.01 problems

    Hi, when using sunny design for the following set up the sanyo HIT-240HDE4 output less than 240 watt phono solar PS240M-20U modules, the sanyo modules are clearly more efficient am I doing anything wrong?? location Birmingham Azimuth 0 deg Inclination 30 deg PV modules 2 x 8 total 16...
  3. B

    Sunny Design 2.0

    has been published, replacing version 1.57. Edit: And it has the Sanyo HIT N Series panels in it which the previous version did not. Regards Bruce
  4. S

    Additional Grounding of the Sunny boy 3300

    Hi All Still very new to this game and was wondering if Anyone knows if you have to separately Bond the inverter, particularly the sunny boy 3300. I See It has a separate terminal lug for bonding, But have never seen any one use it. Any Help would be greatly appreciated as I have my Inspection...
  5. S

    Sunny Beam Bluetooth radio wave 'Danger'

    Got asked a question i didn't know the answer to today. Client is a bit concerned about the radio waves between the SB 4000TL and Bluetooth display i quoted. I was asked if it was constantly linked. I assumed it was even thought they do go to sleep. Anyone know any different?
  6. W

    Interlocking pv with onsite generator?

    Hi Has anyone installed a pv system where a back up generator is also onsite? How do you install the pv alongside the generator, does it have to be interlocked so when the gen starts the pv can not operate? Wozzit
  7. SolarCity

    Intermittent disturbance on Sunny Boy inverter

    Has anyone had any issues with Sunny Boy inverters before? We've had one playing up on us for the last couple of weeks. On a couple of occassions now, we have had "Disturbance" come up on the inverter. I haven't been there to witness it so can't give any more information. The inverter has...
  8. S

    how to sync a sunny boy 4000tl to a sunny beam wireless screen

    hi i am having trouble syncing a sma sunny boy 4000tl to a sunny bea, wireless screen via bluetooth i have set the sma inverter to positions 1 but they dont seem to sync, is there anything i am missing out
  9. D

    Sunny Tripower v 3 single inverters

    Hi All, Could I ask your thoughts / preferences on installing 1 Sunny TriPower inverter v 3 single-phase inverters (i.e. one on each phase)..? The system we're looking at is a pinch under 10kWp.. Thanks very much
  10. SolarCity

    Sunny Beam with two inverters

    I've been trying to dig for some information about the Sunny Beam display all morning. I know the Sunny Beam can be used with multiple inverters, but what I'd like to know is whether the performance of each seperate inverter can be assessed, rather than the system as a whole? Anyone installed...
  11. M

    Work in Sunny Australia!

    Hi all, Tenix Australia is looking for Lineworkers (Linesmen) and Electrical Fitter Mechanics for work in Victoria and several other states. Tenix has hired people from overseas before and are familiar with the process. They are in the hiring process with several people in the UK at the moment...
  12. S

    Sunny Boy SB 3800

    Hi I'm an electrician who has done the C&G 2372 and am starting to put together a PV installation for my MCS. Needless to say, despite the 2372 which was about passing an exam rather than any form of learning, i have gaps in my knowledge which i am trying to fill. My question is about the...
  13. B

    sunny boy and connectors

    Installing a sunny boy at the moment. I thought all the connectors would be the MC4 type that replaced the MC3 ones. There seems to be some new ones that look simple to make off which came with the sunny boy. Is this sounding correct, the price of the dc crimpers are £300ish. These look an...
  14. T

    Sunny South Wales Calling

    Hi all, I'm not a sparky, Im just looking for proper advise :). Mike
  15. K

    hello from sunny rhyl

    hi all, i`m a 4th year spark in north wales area, got my part 1, AM1, 2351(all 8 units) regs 16th + 17th update currently doing NVQ level 3, and found this site on google while looking for help on the 2391-10 which i`ll be doin soon, only had a quick look around and seems like i`ll find some...

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