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Last seen: Jan 12, 2025
@HughF - The cylinder is a pre-plumbed Ecodan Unit and have had a look at the catalogue and this is how it is factory set.?
@HughF, sorry I didn't understand what you mean about plate loading?
Derek.......sorry for the delay in responding, I have had to wait until i was fit enough to get in the loft! Regarding pump speeds........I am now r...
Just managed to get in the loft and look at this. I do have both expansion tanks but I also have the low loss header which is part of the packaged c...
@sunandair Not sure if I have a buffer or low loss header tank, I know up there in the loft there are two expansion type vessels of similar size?.....
@derek-m Derek, sorry for late reply I dropped the pump speed to 1 running at 10 l/min and Delta T increased to about 2.5 / 3 c on Melcloud, I ha...
@kev-m Thanks Kev.....A simplistic approach is probably always the sensible one..........as you say its obvious to me now 🙄 that Melcloud is the is...
@sunandair Hope you get sorted soon........hang in there!!
@sunandair .............thanks... what COP figures do you achieve and are you using Auto Adapt (Room Mode) or WC?
@sunandair Many thanks my unit is the 85 with range between 10.8 and 24 not sure what determines the optimum but as just posted have dropped pump ...
@mjr, @derek-m & @Kev-m Thanks for all your input. I have looked at the Service Menu and noted that the Pump speed is 5 and flow rate 19 l/min...
@derek-m Hi Derek It's been close to freezing all day and the Curve is still maintaining the whole house comfortably, it's now down to 39C at -5C...
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Latest Posts
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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 , 2 hours 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 , 2 hours 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 , 2 hours 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 , 3 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 , 4 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 , 5 hours ago
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RE: Grant R290 DHW Cycle Interuption
Occasionally our Grant R290 activates all three circuit...
By TaffontheTaff , 5 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 , 7 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 , 11 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 , 12 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


