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Last seen: Apr 29, 2025
@william1066 Latest Manual....first page? Sorry William , what manual are you referring to here . The NEW EHS Installation manual has nothing abou...
@grahamh PWM Not Working With a blushing SAMSUNG ENGINEER avoiding eye contact ,weakly trying to defend the PWM System on SAMSUNG HEAT PUMPS and you...
@william1066 Field value 4051/2 etc Thanks William. I found , and experimented with, the 4051 setting some time ago . Unfortunately the PWM system d...
@grahamh Just found your book on Amazon.....bought it immediately. Your point about the obsession with COP to the total exclusion of efficiency i...
@william1066 PWM on SAMSUNG Heat PUMPS I have put a scope on the PWM output signal from my Control PCB but can see No Signal!......only noise. I h...
@william1066 A scope on the PWM Pins on the SAMSUNG PCB. A good idea.I will try a scope on the PWM outputs from the SAMSUNG PCB. The Grundfos mo...
@derek-m My SAMSUNG HEAT PUMP Problems..... Given I live in Scotland I have moved the Water Law Curves down to a -5 C Outside temperature with a flo...
@derek-m Weather compensation settings. My SAMSUNG HEAT PUMP has been run with Weather Compensation ( SAMSUNG WATER LAW ) since November. Weather ...
@derek-m Samsung gen 6 short cycling Missing PWM Signal from SAMSUNG. Following a recent visit by a SAMSUNG Engineer , one solution to my "short c...
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Latest Posts
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
To be fair to Octopus customers, it would be better if ...
By AndrewJ , 6 hours ago
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RE: Seeking ideas / information / commiseration - Pure Drive
Most of the times whole house backup can't work without...
By bobflux , 6 hours ago
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RE: Home energy storage & battery register
AC coupled Pure Drive 10kW battery Solar PV Solis P...
By Little Lights , 9 hours ago
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RE: Rate the quality of your heat pump design and installation
@claireisamazing, that’s got to be one of the most posi...
By Mars , 9 hours ago
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Got myself in a pickle. I have two types of plugs, but ...
By David999 , 10 hours ago
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@jamespa Great, thanks - I've had a quick look at the a...
By Little Lights , 12 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: ispookie666 Manufacturer: Vaillant Mo...
By ispookie666 , 12 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I'm fairly new to the forum and have not voted. Back...
By ispookie666 , 12 hours ago
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I am seeing an increasing number of occasions when my G...
By DavidAlgarve , 14 hours ago
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@transparent I have been a little reluctant to select "...
By DavidAlgarve , 14 hours ago
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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 , 19 hours ago
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RE: Anyone concerned about GivEnergy?
Fair enough. Its interesting that opentherm (for boil...
By JamesPa , 19 hours ago
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RE: Brand and installer questions for ASHP
A tank solely in the return (upstream of where the retu...
By JamesPa , 19 hours ago
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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 , 20 hours ago
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RE: Home automation and the cloud; is there a better way?
+1 It's not just cloud though. Many devices have repla...
By bobflux , 1 day ago
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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 , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 2 days ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 2 days ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 2 days ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 2 days ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 2 days ago
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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
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RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 3 days ago
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RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 3 days ago



