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Last seen: Dec 3, 2023
Yesterday it stayed below zero all day and was foggy - bad conditions for icing. My usage for the whole day was 52 kWh or which the heat pump accou...
@iancalderbank Thanks Ian for that explanation.I have noticed that in recent days with colder weather and a higher LWT temperature, there is more of a...
Well I have dropped the pump from "PP3" to "PP2" mode - proportional pressure, intermediate curve. I am sure that the flow and return temperatur...
@iancalderbank The manual states minimum flow rate is 12 litres per minute. So it sounds like I don't need the UFH pump on max speed.
Only Delta T, from what I have seen. The "main zone" (which is the only zone, as both UFH and rads are run off the single leaving water zone as far as...
To the best of my knowledge the main pump is inside the indoor unit - it's one of these, incorporating the DHW tank. There's also a pump that supplies...
I have a similar Daikin system and although it seems to accurately show the electricity used, I have my doubts over the accuracy of the heat produced....
Do you mean the external pump? There is a Grundfos pump attached to the UFH manifold which has three lights, indicating that it is running at the high...
Well, having had the heat pump running continually yesterday (on weather compensation, with the house at a comfortable 20-21C downstairs and 19C upsta...
I found the same thing. I got an ASHP installed as part of an extension and more or less total renovation. Despite getting the installer to come and m...
Forgive my ignorance but do you mean a pump that is part of the heat pump unit, or the external central heating pump? I assumed that the water circula...
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
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