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Last seen: Mar 22, 2023
"slapped in without much thought for design" describes my experience perfectly. I never saw any calculations, and I don't think any were done. I've en...
Ah, ok - I take your point! Sorry, been a long, mostly sleep-deprived week. Agree entirely
I don't think that's the case Derek. The problem, as Cycleneil described, is the way the Vaillant app rounds numbers up/down gives wildly inaccurate r...
That's been very similar to my experience, I came to the same conclusion about the rounding up / down within the SenseComfort app making the calculati...
My Vaillant is the same, always makes me smile when I see that. The installer can fill in their own details on the system so it will tell you who to c...
@derek-m No radiators anywhere, just UFH.
That sounds like a lot of potential re-plumbing to split the zones, which is outwith my comfort zone. I'm happy enough with the way the rooms are cont...
Does it? Eek! Only one pump in my UFH system ... is that bad? Actually, that leads me on to another question. My Vaillant system feeds a manifold wi...
I think the best way to focus on the customer (as you rightly suggest) would be to raise the standard of installers. I'm quite enjoying the journey of...
This is the Vaillant recommended config: System Adaptive heat. curve - No Configure heat. circ. - Zone1 Hybrid manager - Bivalence point ...
@alec-morrow I've got the heat curve set to 1.0, was thinking of working down from there rather than up. My thinking was to reduce the flow temps as m...
@alec-morrow Just a basic system, standard Vaillant controller plus a SensoComfort panel. UFH throughout with a thermostat in each room.
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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 , 36 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 , 11 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


