Add InstaCOP data points for fixed flow temp in DHW runs (Heatpump app)

[zarch1972]

Would it be possible to add a tick box enabled feature that showed the InstaCOP figures for a set number of flow temps during a hot water run.

ie, the InstaCOP at 30C, 35C, 40C, 45C and 50C flow temps.

Something like this mock-up

In researching an article for Energy Stats website i'm finding that these data points are amazingly good for comparing hot water setups.

I would also love to somehow expand on this data with some charts etc.
ie, give some historical representation over time.

So we could look at the differences that outside temperature make.

As well as start % charge (for a Mixergy) or indeed starting cylinder temperature (for a standard cylinder). Which would prove once and for all that starting with a colder tank yields better performance during hot water runs. But it would be interesting to see at what SOC/temperature the real gains come… cos there definitely seems to be a sweet spot at around less than 40% full on my cylinder.

Maybe we need to start collecting % SOC and cylinder temp in the first instance?

[MrTimbones]

I wonder if you actually want to see a plot of COP vs. Flow Temperature, which will be easier to compare systems as well as aggregating multiple runs together.

heatpumpmonitor.org's "Compare" screen can do similar, but uses hourly data so it hard to see trends:

Would also need to split the data by DHW vs. Heating.