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Old 11-01-20, 07:20 AM   #1
Apprentice EcoRenovator
Join Date: May 2011
Location: Tortosa, Spain
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Question Configuring hot water solar panels

I currently have 3 solar water panels connected in series to provide heating to my underfloor heating in the house.

As I write (a nice sunny Sunday at 13h) the water temperature in the floor is 32C and the exit temperature of the panels is 54C. I have a coil heat exchanger in a 100L water tank to transfer heat.

I have now obtained a 4th panel that I will add to the system.

The question is; do I connect the 4th panel in series with the 3 existing panels or do I split the panels into 2 banks of 2 panels.

Any thoughts? Is one configuration better than the other?

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