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Last seen: Apr 29, 2025
@iancalderbank hi ian DS18B20 I have , at the moment , several DS18B20 's attached to the Heat Pump. These are excellent , but, no re...
@derek-m What do you think of this plumbing software. Allegedly calculates Pressure drops , Temperatures , losses from a AutoCAD style fro...
@derek-m Yes Derek, I agree with you .......... I should have Designed my Heat Pump myself. External pipe Temperature Sensors? The Only af...
@fazel fazel, I am green with envy. If only I could get Six cycles per day ! I have a system that was NOT designed , but , chosen becau...
@derek-m Many Thanks Derek. My Water Law settings are : The Water Law Graph is defined by several bits in the Samsung Controller memory. ...
@derek-m Thanks, Derek An Excellent display of Simple clear Technical writing . Can you define "Short Cycling"? Is this short Cycling , a...
@jamespa Excellent clear Technical writing James! I accept, reluctantly , that a whole system model is impractical. My immediate problem is...
@derek-m Cycle Period ? What is your current "Cycle Period "? Currently my own cycle period is 10.5 minutes with up to 110 cycles per day i...
@jamespa Thanks James, I was not aware that the result of the Water friction was to reduce the pressure drop , not the Temperature. At le...
@derek-m Yes, I now appreciate that I was misinformed by the Frenchman. However, my "intuition" still insists that the pipe Friction loss wil...
@jamespa Temperature Drop and flow rate Again, James you are probably correct. However, my "intuition" is still basically that of an Electr...
@jamespa Am I Sure of Temperatures ? No, I am sure of nothing! The Water Temperatures are measured , in the main , by Chinese K Type senso...
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Latest Posts
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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 , 22 minutes ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 6 hours ago
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RE: Missing flow temperature in Heat Geek proposal
The Heat geek contract had various get-out clauses with...
By Batpred , 7 hours ago
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RE: Why are ASHP installs so expensive?
It seems a quite comprehensive breakdown. I will try to...
By Batpred , 8 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 , 13 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 , 15 hours ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 17 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 , 1 day 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 , 1 day 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


