Configuring hot water solar panels

Acuario · 11-01-20, 06:20 AM

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?

11-01-20, 06:20 AM	#1
Acuario Apprentice EcoRenovator Join Date: May 2011 Location: Tortosa, Spain Posts: 218 Thanks: 2 Thanked 77 Times in 44 Posts	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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