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Last seen: Jun 11, 2026
Daikin has a slope WDC which changes per degree of temp change I think. Never used that one myself. The more commonly used one has the two points at e...
I was thinking something similar to the OP half way through the episode still worth a watch of course. Emitter type, delta-T & WDC steepness are...
Just a suggestion but upload your images to an AI agent such as Grok with a full description of your installation and you will get a good description ...
The switch from WDC to LWT i.e. pure WC is fairly straight forward. Your current WDC will apply to the LWT mode except now your thermostat is a read o...
Or a minimum standard for data collection. The Daikin MMI gives unusable graphs on the tiny MMI interface. There are sums for input and output on diff...
My MMI is in the loft but I checked the pump flow rate when running the DHW cycle and it was 25 l/h and I could hardly tell it was running. So now I k...
If the Delta T is easy to configure then just try it as you appear to have very good data collection as standard. So if the pumps are external and not...
@jamespa Small mid-terrace so everything is is in closr proximity. Only thing I could do is try to swap the cheap plastic pipe clips for rubber isolat...
My 4KW Daikin will heat my 180L tank in 30 mins to 48C. Most likely less demand but in the ball park. The COP is not as mine reports 2 at worst. I o...
After installation the system did develop a noise in the volumizer and that turned out to be a bleed valve. Which when fixed caused a squeal in the ba...
So after a week of playing with the LWT mode I'm now back to setting my WDC LWT minimum flow temp to 25C. Below this the HP does not resume reliably t...
This is how Adam from Heat Geeks advocates as the best way to set up a heat pump. Then, once you've established a decent WDC matched to your property'...
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