Last seen: Sep 12, 2025
Thank you! I think the fall takes as long as it does because as the LWT/RWT fall, and they approach room temp, the delta t between them and the room t...
The last 24 hours data, showing another setback and recovery, with minimal extra energy in during the recovery boost. This time the actual room temp f...
@allyfish - I posted my first overnight setback plus recovery boost data earlier today and it shows pretty convincingly that in my house in last night...
That's fine, it is just it would have been interesting to see the data if it was available. Given my modbus setup, I should now be able to get minute ...
I think this is an interesting question. In both cases, the intention is to lower output, though the reasons are slightly - but are they materially? -...
I've just read the Grant link above ("Blog | How to control your heat pump") and it seems the terminology is somewhat confused as to what a setback is...
Isn't this possibly over-complicating things, as I pointed out earlier, using a room stat setback acts in effect as a timer (at least it does in my ho...
@derek-m I didn't quote you (no quotation marks, and my wording is 'appear to be firmly of the opinion', not X said Y), I paraphrased you, or you mi...
Just to add an observation on this: I did in fact manage to do this, in the cold snap last December, by using the room stat: normal target IAT is 19 d...
That sounds very plausible, except for the fact the LWT rise appears to start just before the RWT rise, see at around 0703h. The four phase pattern is...
Here are the minute by minute energy values alongside the minute by minute temp values I posted earlier. Note they are Wh, not kWh, and, as a sanity c...
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