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Last seen: Aug 13, 2026
Yes @ecodan-prisoner... agreed it’s a bit annoying. I’ve adjusted the Summer Time setting to OFF and the time was auto adjusted back by one hour. S...
Behaviour of compressor is subtly different as flow temperature is dropped to 34 and 33c. The original lowest flow temp of 35c as set on weather compe...
At first I tried 32c for about 10days. It was ok but still cycling a bit too much. So I took it straight to 35c. But you make a valid point. A small...
Interesting article… thanks for posting @robs. So to summarise:- Of the 365 days of the year our heat pumps will try to operate for 160 days at less...
it took me a while to learn how and to work out output correction factors for 30c and 35c flow temperatures. Here’s my best attempt as written back th...
point1. I'm pretty sure it just means output, using the word capacity in this way isn't unusual in Japanese documents (and if something has a capacity...
@robs, and other contributors I have been working on our minimum operating output using these charts for about a year now. There is no notes on how...
Hi @davidalgarve It’s interesting to hear your thoughts on the wireless remote and why it might be confusing for others. I hope you can see from...
Hi @davidalgarve the room temperature thermistor (sensor) is located in the display unit. It’s value is also displayed in the Thermistor Reading...
I presented several pieces of data to try to convince that I’d done a fare bit of reading and testing. I think my install designer was as much swayed ...
1. [/quote]What were your drivers for replacing the pumps and removing the LLH, other than the 'usual' better design + increased efficiencies? Main ...
The solar panel, on 11th October is still providing 100% of our DHW needs on a sunny day like yesterday. However output will start to decline on cloud...
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Degrees of Separation
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No problem, jump in, hopefully this discussion will be ...
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
@jon - I'm finding this particularly difficult to follo...
By Transparent , 1 hour ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Yes, I too am waiting for V2H before I get an E...
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RE: Next steps on my ASHP journey: Radiators and Pipework
Post by: @old_scientist The first thing I would say ...
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 10 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@kilgorexv definitely a larger inverter will help and m...
By AndrewJ , 2 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 2 days ago
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RE: Surface mount or bury primaries for heat pump installation?
The installation is almost done! I've written up two ...
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RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
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Last winter my battery ,32KWh, could run the house com...
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Agree with Major. And even if I was very happy with ...
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
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