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Joined: Jan 20, 2022
Last seen: May 5, 2026
Profile Activity
Topics: 16 / Replies: 3157
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

Having seen that latest photo, I'm inclined to agree with your strategy. I can't see how you could fit any additional packing beneath the raised por...

3 weeks ago
Forum
Solar Photovoltaic (PV)
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

Positioning PV panels horizontally flat isn't recommended. They need to be at an angle sufficient to allow rain to wash them clean. There's a stat...

3 weeks ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

Indeed. There's lots of people get ripped off when installing solar panels! 😋   You're caught between two conflicting concepts. E...

3 weeks ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

Thanks for confirming that the roof is steel box-section and supported by plywood.That makes a difference. We obviously haven't got enough data to a...

3 weeks ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

Your pipe lagging efficiency depends on the thickness of dry insulation, which traps air within closed cells in the foam. If water can get in ... ...

3 weeks ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

OK. That garage roof looks corrugated to me. I'm not concerned by the size of the roof joists themselves. 225x75mm seems over-spec for such a lightw...

3 weeks ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

I doubt it. Both of the MPPT inputs will be ready to accept panels.   No. The MPPT inputs operate independently. Provided each PV string...

3 weeks ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Jokes and fun posts about heat pumps and renewables

This message header was in my email queue today: If I assume those connections to be the three phases do I get the job? It could be a trick ques...

4 weeks ago
Forum
Well & Truly Off The Grid
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RE: Indevolt Batteries UK Support & Info Thread

How is that connecting? WiFi? is there an RS485 port to allow 3rd party controllers to give commands?

4 weeks ago
Forum
Energy Storage
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RE: Indevolt Batteries UK Support & Info Thread

i don't know. But Proteus was manufacturing them in the UK before the IET amendment to make them compulsory for circuits supplying generation devices....

4 weeks ago
Forum
Energy Storage
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