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...
Latest Posts
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That may be contributing to lower than expected SCOP. ...
By JamesPa , 12 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
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By benson , 28 minutes ago
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RE: Big Changes Coming to Our Heat Pump System
3: For retrofits, installers have no clue what existing...
By Old_Scientist , 3 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa installer said today "Yeah unfortunately thay ...
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RE: Mitsu PAR-WT60R Wireless Controller - options
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RE: Powerwall 3 or Myenergi or something else?
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By Temperature_Gradient , 11 hours ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 14 hours ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 2 days ago
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@mixergy Thanks for the update, I would appreciate some...
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 3 days ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
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RE: Electricity price predictions
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 4 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
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Selling 5 year old ASHP & Gas Combi Boiler - £590
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