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Last seen: Mar 25, 2026
@sheriff-fatman Thank you for the interesting and comprehensive discussion about the use of auto-adapt and reported efficiency. I had my 10kW Eco...
@sheriff-fatman All data is the average of readings taken at 5 minute intervals over a period of about 2 hours during which the system was stable, e.g...
@sheriff-fatman New Year Greetings. Here is some of my data from over Christmas and New Year. I have been experimenting with flow rates, flow temperat...
@sheriff-fatman Thank you, food for thought. I think that I am about to be distracted by Christmas. Happy Christmas
@jamespa I appreciate the questioning, you are correct it is important to have certainty. How would you check what the pump thinks the power consumpt...
@sheriff-fatman You may be able to vary the pump speed by using the controls on the pump.
@jamespa The 2 pumps was a decision by the installer, I don't think that they are necessary but at the moment it is a small difference in energy consu...
@sheriff-fatman This is the table that I am familiar with. It shows a COP of 5.04 with a capacity of 4.1kW at 7C OAT and 35C flow. Which is why I thin...
@sheriff-fatman The FTC7 with third party cylinder and pump does not control the pump speed, there is a menu item for pump speed and the value can be...
@majordennisbloodnok Delat T 3C, no defrosting and I am not running Home Assistant
@sheriff-fatman I'm not sure why you have selected the Max figures from this table. Lower down the minimum figures are provided, these are more repres...
@f1p No Buffer, No LLH, Delta T is 3C, pumps are in proportional pressure mode, giving a fairly constant 19 l/min. There is glycol in the system and I...
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RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
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RE: Missing flow temperature in Heat Geek proposal
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Who did the Freedom Heat Pump cloud server and what did...
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@editor wellvery comprehensive answer. I will get all i...
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
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