Danfoss temp setting

[huffdawg]

I wonder if my boiler protection valve fixed temp setting is a little high . The buffer bottom sensor is before the thermic valve and the boiler in is after the thermic valve.

Any thoughts?

 

[ewdudley]

Any thoughts?

System data makes little sense to me. First step would be to replace four-way valve with circuit from boiler to storage and another circuit from storage to buffer.

 

[huffdawg]

That would be huge job EW. I was leaning more towards removing the 4way and add an opposed circ beside the other storage circ.. Having the piping go top to top and bottom to bottom . An off season job of course .

As far as the data on the graph goes, it looks to me like the higher temp bypass water is still mixing with the lower temp buffer bottom water even though I'm sure the danfoss is rated for 140f. giving me a smaller delta t. between the boiler in and boiler out.

 

[huffdawg]

System data makes little sense to me.

Doesnt make much sense to me either after looking at it some more . How can the buffer tank bottom be 10 hotter than the boiler in temp , its only about four feet down the pipe with the danfoss between them