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How do you deal with Inverter heat?

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4 minutes ago, Yellowtail said:

If I could, I would just hook the fans up to the DC from the panels.

 

No electricity from the panels and they are on.

 

No electricity from the panels and they're off, but there's no real heat anyways. 

 

I've tried that in the past with my original micro-inverters. The net result was that the MPPTs wouldn't start at all 😞 

 

I never investigated why, just used a mains power supply, current fans run off a 12V regulator from the battery packs.

"I don't want to know why you can't. I want to know how you can!"

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1 hour ago, carlyai said:

Can you give me the PCB and thermostar order details please?

Also the details of the installed fans please.

image.png.8d1eb99ad73082ff8dcf8da4410a6f02.pngimage.jpeg.407ca9cb67143745346d3e080d3b7bb6.jpeg

23February2025_1.png

52 minutes ago, Crossy said:

 

I've tried that in the past with my original micro-inverters. The net result was that the MPPTs wouldn't start at all 😞 

 

I never investigated why, just used a mains power supply, current fans run off a 12V regulator from the battery packs.

Huh, that's good to know. 

1 hour ago, carlyai said:

Can you give me the PCB and thermostar order details please?

Also the details of the installed fans please.


pcb has 2 channels . i bought it in case i have second inverter in the future. splitter is used to divide power to 3 fans so only one channel is used. whole enclosure is DIY connected with piece of aluminium  and wood

On 2/22/2025 at 3:13 AM, carlyai said:

I think that is going to be a problem for me also as I have 2 3 phase multi-point water heaters. From memory I think one draws 11 A / phase when on the 'hot' setting. That would be 22A per phase if both units are on plus anything else.

Maybe best to route the heaters wiring only from the grid, but for my place, a difficult wiring modification.

It is not a problem as long as there is grid power, the Deye inverter  will take the additionally needed power from the grid. The inverter rating is what the inverter can produce from pv and/or battery.

 

On 2/22/2025 at 3:13 AM, carlyai said:

Can I contact you to find out more about your inverter as this is someone else's thread?

Yes but please open a new thread for it so we can discuss it there to the benefit of other readers who also can contribute with their knowledge.

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