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Last seen: Aug 5, 2026
@iantelescope you cannot sort your control system out until you have sorted your hydraulic issues out and you are happy that it is running as efficien...
@jamespa You are absolutely correct and my point exactly. By using the correctly configured heat pump weather compensation you can match the h...
@iantelescope the honeywell thermostat was initially designed to control fossil fuel boilers but is compatible with heatpumps. If has the following ...
@derek-m @iantelescope You are almost correct. Option 2, the water pump is switched on and off by the room thermostat but continues running for 1...
@iantelescope I think Samsung intended this option to save energy however this should never be used especially when trying to achieve a continously ...
@iantelescope This #2091 option information is straight out of the Samsung user manual (which your installer should have left you a copy). I can cop...
@derek-m by applying 240v to the thermostat input terminal (which the honeywell does) then depending on which mode is selected in the Samsung controll...
postid="31563"] Disadvantages: The Thermostat minimum cycle time of twenty minutes, with a PWM Run time of between 3 and 8 minutes, the Grundfoss ...
As I have mentioned in a previous post, if you are in mode 3 field option #4091 if I remember correcly, you can increase the run time of the compresso...
@iantelescope I have managed to find a little wifi where I am. If you have the ability to isolate the buffer tank why not try this first? As @derek-...
@iantelescope Given the performance of your past installers, what are the reasons for concluding the PWM section of the Samsung board is faulty? ...
@derek-m I appreciate what you are saying and in an ideal world it would be best to remove everything and start again however I get the impression tha...
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Degrees of Separation
Latest Posts
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 5 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
By Old_Scientist , 9 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 1 day ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I wouldn't be too concerned about the design ...
By Rob of York , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 1 day ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 1 day ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 2 days ago
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RE: Why are ASHP installs so expensive?
Posted by: @batpred There´s another aspect that coul...
By Rob of York , 2 days ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 2 days ago
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RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 2 days ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 2 days ago
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My feed of random industrial auctions turned up this au...
By Prunus , 2 days ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 5 days ago
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