Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
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...
Latest Posts
-
In general they aren't and he is wrong. End of in almo...
By JamesPa , 9 minutes ago
-
Seeking ideas / information / commiseration - Pure Drive
Hello, Little story of battery woe, and then...
By Little Lights , 58 minutes ago
-
I am seeing an increasing number of occasions when my G...
By DavidAlgarve , 2 hours ago
-
@transparent I have been a little reluctant to select "...
By DavidAlgarve , 2 hours ago
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@andrewj I have no heating load right now so haven't...
By swwils , 3 hours ago
-
RE: Rate the quality of your heat pump design and installation
Flawless, by John MacIver, Seaforth Heating and Plumbin...
By claireisamazing , 4 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
@anne-smith Glad to hear you know the benefits and its ...
By dgclimatecontrol , 5 hours ago
-
RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
@editor Thanks Mars. I look forward to the subsequent ...
By DavidB , 7 hours ago
-
RE: Anyone concerned about GivEnergy?
Fair enough. Its interesting that opentherm (for boil...
By JamesPa , 7 hours ago
-
RE: Brand and installer questions for ASHP
A tank solely in the return (upstream of where the retu...
By JamesPa , 7 hours ago
-
RE: UK DIY Battery: SEPLOS 48V 200Ah x2 + Sunsynk 8K – Safe Installation for Garage Conversion
thank you to all who have already replied. I have been...
By madsid , 8 hours ago
-
RE: Home automation and the cloud; is there a better way?
+1 It's not just cloud though. Many devices have repla...
By bobflux , 23 hours ago
-
RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?
So the red bars are 'DHW' and the yellow bars 'heating'...
By JamesPa , 1 day ago
-
RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 1 day ago
-
Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 1 day ago
-
RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 1 day ago
-
RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 2 days ago
-
RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 2 days ago
-
There are just too many unknowns for me to comment on p...
By Transparent , 2 days ago
-
RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 2 days ago
-
RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 2 days ago
-
RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 2 days ago
-
RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 3 days ago
-
RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
By JamesPa , 3 days ago
