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Last seen: May 18, 2026
I hadn't spotted that there were two pumps in the UFH (well spotted!) but I had recognised the risk that the upstairs rads weren't getting enough wate...
Never assume it makes an ass of u and me! You need the return temp to be lower than about 55 for a boiler to condense. If you start of with a FT of ...
Before I answer your specific questions just one more thing to highlight. The upstairs rads may well be big enough, but because your heatmiser is (pr...
The costs, if any, are not that great - see my calculation above and comment about (non-) condensing boilers. When I abandoned setback and turned my...
By 'no recovery penalty' I mean no efficiency penalty because it has to work harder to supply the extra energy needed to replace the energy lost durin...
This topic will run and run for sure The misunderstanding many suffer from (and the controls industry almost actively encourage this misunderstandin...
Only the manual The commissioning documents state which inverter model it is.
Your installer is probably right. The L9 error means low flow, and if the zones aren't open this will be the reason. You cant fix the error without ...
Im sure there are plenty of gags to be had linking MCS and rodents of various types!
Thanks everyone, this is going to take some analysis so it might take a while before I respond fully. Of course any further inputs are appreciated! ...
There is room outside but only the other side of the house to the garage. The CU is in the garage so it would require a long run of cable to connect ...
Thanks. The concept of daisy chaining the inverters is attractive in principle as there is no ambiguity what's happening! It also makes for a simple...
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RE: Setback savings - fact or fiction?
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RE: My Grant R290 9kW Heat Pump Installation
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RE: Estimating true heat loss from twelve months of consumption data
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