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Last seen: Jun 24, 2026
Hi and welcome to the forums.Does your system use a Mitsubishi cylinder or is it a 3rd party one?The FTC6 settings from 1-5 only work on Mitsubishi cy...
I've been thinking along similar lines to @tim441 from my own experiences with an Ecodan system, where I've got the benefit of reported COP data too. ...
In my case it was a very specific pattern of behaviour at an OAT of 5°C that I could only attribute as being related to freeze stat function that I ob...
They show up as two distinct processes within MelPump, so I can see the two independently of each other. Within the HA settings you'll see the Defros...
Thanks for clarifying. Excessive cycling seemed to be a factor for me when I hit the 5°C and 4°C temperatures where freeze stat protection kicks in. ...
I don't intend to hijack the main thread but are you aware of a way to reset the daily totals from doing this? I set up integrations of this kind a f...
Great to read a good service story.I know that there are priority lists held for households with vulnerable customers in them. Perhaps your household...
Fair point. The highest frequency of defrosts I'd seen so far had been 6 within a 24 hour period, but my sample size of relevant data is very small. ...
In Ecodan world there are two bits of terminology that are easily confused.Anti-freeze protection (which MelCloud shows as a running mode as Freeze St...
Just realised that this image of the cylinder cupboard also includes the location of the Ecodan's flow sensor (as I've just discovered from a part lis...
@danwright90 I've linked two videos below recorded this evening, one for getting flow temp info and another for you to check that your weather compens...
I would definitely suggest a solution to give you system data is useful, if not essential for identifying issues. I'm not sure what the MELCloud rece...
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