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Last seen: Oct 16, 2024
@jwilliams89 We're quite satisfied with the performance we get from expanded and haven't seen any reason to tweak things further. It's settled on a HC...
@colin All I'm doing to monitor COP is taking daily readings from the sensoCOMFORT for power consumed and environmental yield, then doing the maths ...
Hi folks, Here are some charts showing how things have progressed since the end of November (the data immediately after my mid-November commissionin...
Hi @derek-m I didn't know that about the cold weather leading to hotter radiators; now that you say it, that makes sense. Our controller is wire...
I have another question, this time about TRVs. I've seen many of the more technically minded posters saying that the TRVs should be left fully open, a...
I didn't wait til the end of the week and switched over to expanded mode + adaptive heat curve last Tuesday. I'm not wholly sure what to make of the d...
Thanks both, I appreciate your input. I think I'm going to leave things as I have them til the end of the week, for data collection, and then try swit...
I agree about the adaptive heat curve using the expanded room temp, and that's what I'm working toward. Since the manual asks that the suitable heat c...
Hi @jaspera -- thanks for that info. It looks like we have different controllers (I have a VRC720F) and in the manual Vaillant have removed the text y...
@derek-m Thanks very much -- I think I understand this now, as well as the source of my confusion. My Vaillant 12kW operates only w/the Vaillant Sen...
@derek-m, I have a question about this statement. I think I understand your later explanation of how premature shutoff happens (link) but I don't unde...
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Degrees of Separation
Latest Posts
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I have been trying for 2 years or more to find a way to...
By JamesPa , 26 minutes ago
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RE: Why don't people choose heat pumps?
By the same measure we should be insisting that all gas...
By Batpred , 1 hour ago
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RE: How quickly would you want/expect heat recovery to take from setback?
True but .. because the room is colder dt rad to room i...
By JamesPa , 1 hour ago
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Got two or three heat pump quotes that don’t agree? Post them here.
One of the biggest sources of confusion I see on Renewa...
By Mars , 1 hour ago
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RE: Load Shift and Lifestyle Shift Complete - our journey has ended, for now
I do not disagree with the concept of wanting to live a...
By Batpred , 2 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
@singlespeed I am going to put a temperature sensor on ...
By fosterl2 , 3 hours ago
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RE: Grant Aerona - Weather Compensation and Schedules
@taffonthetaff Yes, I have now gotten to the bottom of ...
By bontwoody , 4 hours ago
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RE: Grant R290 DHW Cycle Interuption
Occasionally our Grant R290 activates all three circuit...
By TaffontheTaff , 4 hours ago
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RE: Peak Energy Products V therm 16kW unit heat pump not reaching flow temperature
@davec 47kwh for 3 days is very low, compared to what I...
By johnd , 6 hours ago
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RE: Our 10 year old Grant heat pump failed
As I understand it it was working then stopped. More l...
By JamesPa , 10 hours ago
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@pipcart, Wattson is back... please go to the homepage ...
By Mars , 10 hours ago
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Do heat pump defrost cycles impair heat pump efficiency (COP values)?
The short answer is no, as far as I can see from data f...
By cathodeRay , 11 hours ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
That is a good approach and an excellent result. For co...
By Judith , 1 day ago


