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Last seen: Oct 9, 2026
That doesn't make much sense as it should alter the flow temp, that's what WC is. 0 and 15 are presumably the outside temps, what are the correspond...
It does but it almost all applies to boiler systems and I wish I had understood when I had a boiler as much as I understand now. Just before I replac...
Seriously? So 'our heat pumps just work, we don't know how, but trust us they do'. That sounds like a red flag of the highest order! No sorry tha...
Some data is definitely useful. I ordered the internet connection for my Vaillant heat pump and use Home assistant to pick up some basic data because...
So theres a problem for starters. This means that the FT flatlines at -2 which means that, when its <-2 it isnt high enough to deliver the energy ...
That seems high. Do you know what your WC settings are (even if you cant change them and even roughly?)
Very much agree with this! Sometimes the way to get things to operate in pure WC mode is to set the curve on the controller, then just turn all the ...
Thats sensible then Most heat pumps seem to limit adjustment of the WC settings to installer mode, although some do expose something to ...
Fair enough and Im not trying to circumvent regulation, I was just checking that I understood the underlying cause for your comment and that I hadn't ...
Assuming your house was heated previously your oil consumption indicates a loss of more like 4-7kW, so an 8kW unit would probably have been perfect as...
So thats a regulatory matter not technical? The Sunnyboy has no CT. If the CT for the battery inverter is on the incoming main then it does know th...
@transparent Thanks perhaps mine is G83, cant actually recall (I will check). Its a SunnyBoy SB4000 I have PV, Im considering a...
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