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Last seen: Sep 19, 2024
Have you considered running your heat pump from the mains supply, rather than the batteries, during the warmer part of the day when the heat pump shou...
Here is one method you could try if your thermostats have a schedule capability. Rather than trying to program a change in WC curve or WC offset, pr...
Below is my interpretation of the various settings. #4051 0 = water pump off 1 = water pump on - speed range 0 to 100% 2 = water pump on -...
Would you care to post a photo of your schematic and details of your circulation pump?
You have a Samsung ASHP, which does not have an internal water pump, hence the need for the PWM control signal, whether it is used or not, to control ...
@marzipan71 Hi Steve, Thank you very much for the update. It is always useful to get feedback, both good or bad, and it also helps other forum rea...
As far as I am aware, the Ecodan has an internal water pump, the speed of which the controller varies to maintain the Delta T at the heat pump. If y...
As you state it is a black box, so we don't know what is happening internally within the controller. I am used to industrial control systems, where on...
@benseb Partially closed radiator valves both lockshield and TRV's will restrict the flow around the system, and hence the water pump will need to w...
Looking at the schematic on page 13 of the attached manual, the Teva_in reading would appear to be from sensor T/S#5. There would appear to be no temp...
The amount of electrical energy used is dependent upon the overall heat loss and how efficient your system is operating, plus of course the none heat ...
When I am testing systems I initially take readings at many points, then reduce the number of points once I discover which are important and which are...
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Degrees of Separation
Latest Posts
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Hi, I had Marvel Heating install a heat pum...
By davidnolan22 , 42 minutes ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
JamesPa The chart explains well how the heat curve an...
By trebor12345 , 3 hours ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 1 day ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 1 day ago
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RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 2 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 2 days ago
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 2 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders can I just add to @rob-of-york s comm...
By JamesPa , 2 days ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 2 days ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 2 days ago
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Good to hear that you found a solution. Absolutely a...
By Batpred , 2 days ago
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RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 3 days ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 4 days ago
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