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wow, this video was done 8 years ago now. Maybe you should take a deep breath and look at the crew that has done over 2000 installs since then. Yep, anybody can be in the solar business and we encourage nice people to join the revolution. Please feel free to comment on our other solar installation videos. I'm sure you'll find some good and some...
This is incorrect thinking. The Sunnyboy inverter works fine with equal string sizes on different roof surfaces. Check with SMA if you don't believe me. I'm glad I'm the professional here.
it shows the work was not done by profesionals, I dont see any DC grounding rod to be connected to the INverter which is a must, secondly all the information written on the equipment and conduit it should be written on on stickers with red background and white color letering 5/8 inches height, not written by just ordinary felt pen . poor work from ABCsolar, it is shame
Get a grip;. Lettering? This system was done in 2001. This was before the sticker fetish became a requirement. Now we have Alice's Restaurant stickers and color glossy photos pointing with large letters...... Get a grip! I'm glad you can't see the grounding rod, sorry I missed that detailed picture for you. Code says we can ground house grounding system. Since you don't appear to know, Inverters will not turn on unless they are grounded. This is a great install by a great crew.
it seems I have scrach your bottom, however, if you know how to use the NEC code go t0 NEC 690, you will find that each inveerter needs its grounding DC rod which should be connected to the main panel grounding system, even there is an optional DCgrounding rod for lightening purpose which is connected directly to the pannels, which some AHJ may ask the contractor to install.
I'm glad you enjoyed it. Each roof has one string. This keeps the voltage the same. It was one of the early things to learn that you can have two equal strings to one inverter. You can call SMA America and they will verify it. Cheers. Bradley
Sir, The SMA manufacturer is not the making the NEC code, if you go and do some research on solar energy code, when any two array or string are facing the sun in different orientation towards the sun what is shown in your video, there has to be two different inverter, because of insolation energy which falls on the modules are of diferent values because of module orientation, u dont need to call the manufacturer, if you are designer of solar energy u have to take care of these types of aspects.
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Take care! have fun and go solar.
I'm glad you enjoyed it. Each roof has one string. This keeps the voltage the same. It was one of the early things to learn that you can have two equal strings to one inverter. You can call SMA America and they will verify it.
Cheers. Bradley