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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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Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
Volumisers are normally plumbed so that they are in the...
By JamesPa , 2 hours ago
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@toodles possibly. The £9k labour charge for 4-5 days w...
By AndrewJ , 7 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 11 hours ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 24 hours ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 24 hours ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 1 day ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 1 day ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 1 day ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 5 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 5 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 5 days ago
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