Last seen: Mar 1, 2025
If that ice has been there for more than 5 or 10 mins, then yes, you need an earlier or more effective defrost.
I recognise that shape, that's a Samsung. Is it a 12KW like ours? If it does ice up, it should then defrost, ours has a lot of water run off it wh...
Thanks, that is a nice clear comparison. For us, eliminating CO2 emissions was the most important thing, but also worth noting that price wise h...
@technogeek Yes, we are going far off topic, some drift is tolerated here so we should be fine. Your COP sounds good, but with the old radiators you ...
@technogeek That's a funny sort of system, I have not heard of, but if it works for you that is fine. I find it odd the HVAC websites say 10 to 20...
It makes sense that longer heating at a lower degree will give time for the air to circulate more which would lead to heat percolating through more of...
I remember discussing this sort of thing years ago with people with varying technical backgrounds. The first point is that using car batteries for l...
Hey, same Samsung controller stuff as we have. This video seems to match my setup, there are various other videos that tell you how so it's whateve...
Ultimately our pump is sized to be able to keep the house warm at sub zero temps. We had -15 for 3 nights last winter and regularly get -6 or below d...
On the topic of low loss headers and PHX, I did a search online and found this blog post thing by a Grant person, Having a scan through, it seems...
LLH - low loss header, basically some kind of buffer tank, I don't know the details. PHX = plate heat exchanged, which in your water tank or buffer...
This sort of post really makes me think we have oversized our heat pump. But even the one offering a smaller one never actually explained how and why...
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Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@jamespa Agreed. I think it’s a case of much over muchn...
By Mars , 36 minutes ago
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@eliuccio Unfortunately, whilst I agree with a lot of...
By JamesPa , 1 hour ago
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
@bami I think if the heat loss documentation matches a ...
By bontwoody , 1 hour ago
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RE: What is the best strategy for operating a very oversized heat pump?
@jamespa I'm afraid that's over my head but if anyon...
By IRMartini , 2 hours ago
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RE: Setback savings - fact or fiction?
And here in case any one wants it is the code I used in...
By cathodeRay , 2 hours ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
Definitely its in the 20xx FSVs. Conversely it may be...
By JamesPa , 2 hours ago
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RE: Towel rails. An unexpected final hurdle
We have both Normal Rad for heating the room and then a...
By IRMartini , 4 hours ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 6 hours ago
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RE: SolarPV tables / online calculator
I'd be interested what others find whilst using that we...
By Majordennisbloodnok , 8 hours ago
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RE: F.788 Building circuit pump reports internal fault - Vaillant Arotherm
Guess I have to wait for engineer visit. I really hope ...
By jeegnesh , 20 hours ago
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RE: Act now to defer the UK road tax increase on EVs
@majordennisbloodnok Damn right sir. my attempt at iron...
By Jancold , 23 hours ago
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RE: ASHP and heating issues in new build house
That’s good gives you more capacity. It made me think, ...
By Terry1812 , 1 day ago
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RE: Seewet manhole cover within r290 exclusion zone
Thanks! I asked Vaillant, and they say I should be fi...
By dbrb2 , 1 day ago
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Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
I'm running my Aerona 3 on WC and the 'warm end of that...
By damonc , 1 day ago
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RE: Do I just go with the lowest quote for my heat pump?
So after signing in Sept in two weeks the install may s...
By Jancold , 1 day ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
When you are renovating is always a good time, as it ma...
By JamesPa , 1 day ago
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RE: Just one room not reaching desired temperature
Looks like this issue is now resolved. Aira installed a...
By ChandyKris , 1 day ago
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There have been several people on the OpenEnergyMonitor...
By RobS , 2 days ago
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RE: Say hello and introduce yourself
Good point @jamespa But that probably strengthens @ch...
By Transparent , 2 days ago
Latest Topics
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Heat Pump Sizing & Installation Costs
By Mars 8 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 9 hours ago
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SolarPV tables / online calculator
By MichelleC 16 hours ago
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By Toodles 2 days ago