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David999
@david999
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Reputable Member
Joined: Mar 24, 2024
Last seen: May 6, 2026
Topics: 11 / Replies: 322
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

@transparent I stuck these under the boxes in the low sections off the roof so as not to crush the material over time

3 weeks ago
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

@transparent the panels are 190 long and thus the way I have spaced the boxes spreads the load over the boxes. They are hammered down with big screws...

3 weeks ago
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

@transparent do these boxes have to be further back do you think? and what distance should I position the boxes for the ones in front

3 weeks ago
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

@transparentransparent I guess there is nothing you don’t know, I’m fair impressed, you are one of them blokes that an apprentice would love. I will t...

3 weeks ago
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

@transparent ordered my panels, Aiko 510, going to install them on the tubs screwed through the roof and ballast. One question though, should the cab...

4 weeks ago
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

@transparent I need to think this out carefully, my first choice is tubs and at 100kg and screwed to the roof joists I doubt they would move. In term...

4 weeks ago
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

@transparent the box section can be dented if you walk on the roof so as mentioned likely need to fix spacers so the tubs sit on the hollow and thus t...

4 weeks ago
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

@transparent Its 10mm pipe in there so well insulated. I’m thinking on your comment on that box section steel roof. Although it’s mounted on plywood ...

4 weeks ago
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

@transparent it’s insulation on top of insulation to mitigate heat loss. Doesn’t look great but works. How bad is it transparent, you are an expert, ...

4 weeks ago
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

@transparent the roof joists are 3 inches by 9inches and not strapped to the walls but built slightly into the brick. They quote 100kg per box to sec...

4 weeks ago
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