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Last seen: Apr 29, 2025
@technogeek Sorry for the senior moment , I meant floating neutral! I have never heard of floating neutral but have certainly experienced Eart...
@technogeek Floating Earth?? I would Not be surprised if the Mains wiring , like everything else, was wrongly installed. Hi @technogeek...
@technogeek & @derek-m My PWM Signal is being killed by my Grundfos!. Hi Again, thanks for your patience! What are your Samsung Inv...
@technogeek @derek-m Can you measure the DC PWM Reference pin voltage on your Samsung PCB? Hi @technogeek: Given that my Samsung P...
@technogeek Again Many Many thanks............................@technogeek My Samsung , fitted with a PWM Grundfos motor is fed from a Fau...
@derek--m & @technogeek Have you a Heat Pump with a Heat Exchanger , a Buffer, using BOTH AC Pump AND PWM ? Controlling Water Samsu...
@derek-m Samsung's Embarrassment Required: Following a E-mail exchange with a anonymous Samsung Engineer, he was of the frank opinion tha...
@technogeek & @derek-m A Simple ON-OFF No-nonsense Radio Controlled Thermostat ? Where Can I Get a Simple ON-OFF Radio controlled Thermostat...
@technogeek and @derek_m Why , on earth are SAMSUNG, Still , in the 21st century using RELAYS ?? My Grundfoss Motors can be Switched OFF AND...
@derek-m For Efficiency , Hot Water Heating DOES NOT NEED the Radiator Motor Water Pump to be AUTOMATICALLY USED. Many thanks @derek-...
@technogeek & @derek-m Delta_t increase resulting from water flow rate Reduction on BOTH the Primary and Secondary Water Circuits. Here...
@technogeek @derek-m Many thanks , to both @technogeek and @derek-m for your help and understanding. Separate, and independent , operation of my...
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Degrees of Separation
Latest Posts
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We currently have a gas boiler used for central heating...
By Rob of York , 1 minute ago
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RE: Who's your electricity provider and what's your tariff?
My guess is that if you do nothing, Octopus will contin...
By Old_Scientist , 4 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 4 hours ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 5 hours ago
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RE: Missing flow temperature in Heat Geek proposal
I suspect it's a deliberate decisi...
By JamesPa , 7 hours ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 7 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 16 hours ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 23 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 2 days ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 3 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 4 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 4 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 4 days ago



