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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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Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 12 hours ago
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@kilgorexv, I actually think doing your own calculation...
By Mars , 12 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 , 1 day 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 , 2 days 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 , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days 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 , 2 days 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 , 3 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 , 6 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 , 6 days ago



