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Clockworks
@clockworks
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Estimable Member
Joined: Jan 22, 2025
Last seen: Apr 26, 2025
Topics: 2 / Replies: 53
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RE: Ecodan 6kW - is it "cycling", or normal operation?

Yes, I meant dT25 as flow temp of 45, room temp of 20 degrees. I appreciate that I've been trying to run at a lower flow temp than that, it was just t...

10 months ago
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RE: Ecodan 6kW - is it "cycling", or normal operation?

It's the PUZ-WM60, R32 model. I have 10 radiators. I did add up all the radiators, corrected for deltaT 25, and it was very close to the desig...

10 months ago
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RE: Ecodan 6kW - is it "cycling", or normal operation?

OK, removing all the smart TRVs, opening the wheels fully, opening all the lockshields, and making sure the Evohome controller stays on all the time h...

10 months ago
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RE: Ecodan 6kW - is it "cycling", or normal operation?

That does seem to fit with what is happening - the peak flow temp gets to one and a bit degrees above what I'd expect it to from looking at the WC gra...

10 months ago
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RE: Ecodan 6kW - is it "cycling", or normal operation?

LLH is something the make up themselves apparently. Basically a length of 32mm copper, about a metre long. I make that about 0.8 litre? Both pum...

10 months ago
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RE: Ecodan 6kW - is it "cycling", or normal operation?

First pic is the power pulled by the ASHP, pumps, valves, and controller. Second shows the temps using "bullet) sensors wedged onto the pipework und...

10 months ago
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