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...
Latest Posts
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
Based on owning a Vaillant and reading the manuals of o...
By JamesPa , 29 minutes ago
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The problem is bigger than rented properties, it applie...
By JamesPa , 4 hours ago
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RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, I really appreciate your information, a...
By DavidAlgarve , 4 hours ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
What limit are you speaking of. So far I was aware dno...
By JamesPa , 6 hours ago
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RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
By SAEnergy , 8 hours ago
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RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
By Tim441 , 13 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As a potential heat pump customer, it would be good to ...
By Temperature_Gradient , 15 hours ago
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RE: Octopus replacing the fixed 15p/kWh export rate with a market tracking one
@trbob I have just extracted the details for Agile Expo...
By Toodles , 22 hours ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
The Ultimate Guide to Heat Pumps is less than a month a...
By Mars , 23 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 2 days ago
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RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 2 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 2 days ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 3 days ago
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RE: Ecodan & MelCloud scheduling
I put the above question to Mitsu UK at the sme time as...
By DavidAlgarve , 3 days ago
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Thanks for the heat geek info. I've fitted my own heat ...
By bontwoody , 4 days ago
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RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
By Majordennisbloodnok , 4 days ago
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RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 5 days ago
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RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 6 days ago
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RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
By Transparent , 6 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having bit the bullet and paid £250 for a service, our ...
By Old_Scientist , 7 days ago
