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Last seen: May 18, 2026
Firstly welcome to the forum. From the preceding posts on this thread you may have gathered that this unit appears not to 'expose' the key parameter...
On reflection your description (which I understood) made more sense than the diagram (which I don't). The diagram seems to have two contacts/switc...
Thanks, equally useless uinfortunately It appears that the controls for this heat pump are different to almost all others on the market and, from wh...
Hmm. There maybe some more controls on the control panel itself. Manual (of sorts) here The manual is very light indeed on detail, they either didn...
Thanks for the screenshot. Thats pretty useless (no criticism of you!) because it doesnt tell us the flow temperatures (ie the temperature of the hot...
OK. I think your system, which seems well designed, is actually pretty simple. In outline: Firstly adjust the rad circuit Run UFH on thermostat...
To me that makes sense. Bond the inverter neutral to the local earth arrangement is when islanded, don't when its not islanded. That way you don't d...
I suspect these are electric mats not wet so totally separate from the rest of the system. This should be obvious by the presence eg of a switch. Th...
That doesnt seem quite the same description as the one here from the IET which says "A TN-S system, shown in fig 1, has the neutral of the source of...
This is an interesting and very useful observation, albeit one limited to a relatively small range of temperatures (which we are experiencing a lot of...
OK thats great, so basically the mixing valve is disabled and the whole system is running at the same, weather compensated, temperature. From this an...
My most recent certificate says my supply is TN-S, earthed via the 'suppliers facility'. From visual inspection the earthing 'via the suppliers facil...
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