Last seen: Jul 9, 2025
Thanks Derek, based on info at point of post nothing has been ruled out. There are known, identical performance issues attributed to a small number ...
I can see from your last picture above that you are indeed set on Weather Compensation. looking at your last picture your left hand button, when pr...
You may have a faulty ftc6 controller!? do you have auto adaptive function? Thats the “room temperature” option, as opposed to “weather compensati...
@willen-john wow. That’s a big improvement. 👍🏻
@tadpole hi. Thanks for the further information. I can see that the reservoir of hot water may have been proposed to feed the two underfloor heatin...
Thats good to hear. One possibility removed. It sounds like the Secondary Return, re-circulation, as described above is a reasonable contender… your...
I think, someone in the past also had a 3 port valve stuck partially open which can mean that while the heating is on the circulating water, at a lowe...
Hi Tadpole I think you’re wise to let the installer and manufacturer fully install and commission before trying to fix anything. However, your 4 ...
@jamespa perfect…. thanks James Added (We tried a number of secondary pump settings until we got the lowest change in DT but we couldn’t do much...
hi Ian, here is my sketch again what do you mean that the DT Is the same both sides? The sketch shows a 1degC drop in one direction and a 1degC rise...
@iancalderbank thanks Ian yes there is a drop in flow temp across the LLH but there is a more or less equal rise in return temp across the LLH. Thes...
Earlier post… from 4 months ago Can anyone help with some maths on estimating percentage of energy loss of DT….? After a summer break we are no...
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