Last seen: Dec 24, 2025
@iantelescope Absolutely NOT! The only parts of the system that should be connected directly to earth are exposed metal cases and metal motor housin...
@iantelescope no not floating earth, floating neutral ie the return wire from the pump. If its not connected properly the return current has to find a...
@iantelescope I could be completely wrong when I say this but the first 2 photographs look to me as the classic floating neutral. That maybe why it ne...
@iantelescope I have a 12Kw Samsung connected to standard radiators via a low loss header. The primary water circuit to the low loss header is pumpe...
@iantelescope this is very interesting but I am at a loss as to what you are trying to prove so please explain 🙂 I think you misunderstand rega...
@iantelescope If my memory serves me correctly, you currently have one Grundfoss motor in your primary water circuit controlled by your Samsung ...
@iantelescope I understand how you are feeling and that is why @derek-m and myself are trying to help you hopefully get a functioning system for this ...
@iantelescope This is because you have the second pump connected directly to the thermostat output which is incorrect sorry. The second pump should ...
@iantelescope The method I used was as follows but it was done in Autumn and partial Winter when the heat demand was higher, in mid Summer this coul...
@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 ...
Latest Posts
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RE: Radiator sizing sanity check
@jamespa Yes, last week I did it and there was a lit...
By Papahuhu , 10 minutes ago
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RE: The Great British Heat Pump Owner Persona Survey: Let's Build Our Archetype!
@mosibi, go on then, complete the survey. Let's get the...
By Mars , 10 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
My Airwell is installed in October 2022 and I do not kn...
By Mosibi , 27 minutes ago
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RE: Solar Power Output – Let’s Compare Generation Figures
I concur with that analysis. If the PV panels are res...
By Transparent , 44 minutes ago
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RE: Cascade 2x Grant Areona 10kw ASHP - Ongoing setup issues
I presume he didnt say why? I dont personally understa...
By JamesPa , 47 minutes ago
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RE: Water Hammer After Heat Pump Install
@jaynieq I wish you luck with this one. I think the ma...
By JamesPa , 2 hours ago
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RE: Grant ASHP 17.5 kw. weather curve
All sounds good and like you know what you are doing. R...
By JamesPa , 3 hours ago
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RE: Optimum new build house design for Heat Pump
From first principles I would say: Definitel...
By JamesPa , 18 hours ago
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RE: Weather compensation- why you should use it
As good a place as any to drop this video:/p>
By Mars , 21 hours ago
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RE: Forum updates, announcements & issues
@transparent D'Oh - I did look before I posted but I mi...
By dr_dongle , 22 hours ago
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Compatibility with Samsung AE080RXYDEH
I am new to all this. We have a SamsungAE080RXYDEH that...
By John999 , 23 hours ago
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RE: New Fogstar 15.5kWh upright solution
@batpred Maybe you should buy your additional batter...
By Bash , 1 day ago
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RE: Data Accuracy Problem: Daikin 8kW Heat Pump's Onecta App vs MMI Power Consumption
@nursethescreens Yes, comfort and happiness of the fami...
By Toodles , 1 day ago
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RE: Connecting Growatt SPH5000 over wired ethernet rather than wireless
Thanks folks. I had tried googling an ethernet lab adap...
By z8lccda , 2 days ago
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RE: Changing from 4-port buffer to volumizer
@toodles I'm not concerned that the behaviour is not no...
By Andy1618 , 2 days ago
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RE: Setback savings - fact or fiction?
I agree, and I think there are two things in play here....
By cathodeRay , 2 days ago
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RE: Help needed with Grant Aerona 3 issues
First time posting so bear with me. Some bits that have...
By Adamp , 3 days ago
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RE: Mitsu PUHZ-SW120YHA + EHSC-VM20Uk - Performance
All understood. Obviously its a bit house de...
By JamesPa , 3 days ago
