Last seen: Dec 10, 2025
The display on your remote wired controller indicates that you are using an external thermostat and so the room temperature displayed will have no eff...
@jamespa Thank you for your very helpful insights. I have been looking afresh at the important effect of oversizing of a heat pump. On the face of ...
@jamespa I do apologise for a really crass error. You are absolutely right that 24kWh of energy produced at a COP of 4 would require 6 kWh of consumpt...
@lickofpaint You will find that there are at least two schools of thought about the way that heat pumps should be run. There is the low and slow scho...
Sorry, but it is true! If 24 kWh are required to supply the energy that the house loses for the whole 24 hrs, then 18 hours at a COP of 4 requires a c...
@johnmo Thanks for an interesting topic. I have been looking at Severn Trent's figures for my postcode's water quality. Average pH is 8.39 (Range 7.93...
I thought it was his external stat that he couldn't turn up above 25C - setting FSV 2091 & 2092 to 0 (not use) means that he will be using the Sam...
@jamespa I have slightly lost the plot regarding what the aim of further testing is, now that the planned reconfiguration is unlikely to happen. How...
The leaving water temperature is constantly displayed on the wired remote controller, irrespective of whether the compressor or the water pump is on o...
I think options 1-4 operate in identical ways for FSV 2091, 2092 and 2093 Option 1 - compressor can be turned off only by the stat. If LWT rises abo...
Please see my previous post - Ian will always be using weather compensation, whichever thermostat he chooses, so don't despair!
There has sometimes been some confusion over what is controlling the Samsung heat pump behind the different displays on the wired remote controller. T...
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Out of interest, why did you buy the Aerona 3 R32, rath...
By GrahamF , 34 minutes ago
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Hi @fretless6 Mike, I have experience with Taggas (Re...
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RE: Peak Energy Products V therm 16kW unit heat pump not reaching flow temperature
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RE: Tell us about your Solar (PV) setup
@mk4 Charge to 100%, discharge down to 10%.
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RE: Connecting Growatt SPH5000 over wired ethernet rather than wireless
The simplest wired option is usually the Growatt Ethern...
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RE: Electricity price predictions
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RE: Jokes and fun posts about heat pumps and renewables
Technology is rapidly advancing. BBC News reported th...
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What matters for flow and pressure drop is internal dia...
By bobflux , 23 hours ago
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RE: Do Fridges and Freezers have COP ratings?
@editor Thank you all for your replies and submitted in...
By Toodles , 1 day ago
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I know and yes. The secondary deltaT wont necessaril...
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RE: Designing heating system with air to water heat pump in France, near Lyon
Just love the way you put it! 🤣
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RE: Safety update; RCBOs supplying inverters or storage batteries
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RE: Mitsu PUHZ120Y 'Outdoor Temp 'error?
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RE: Buying large amp bidirectional RCD and RCBO
Yes... I went through this particular headache and ende...
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O-oh! Let's take this as an opportunity to 'pass the ...
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