Last seen: Feb 13, 2024
I am not sure what you mean by "now uses timestamps", what did it se before? I expect this comment is because you are not aware of the concept of th...
I think it is disingenuous to not mention all the code that you likely have had to write or hard code to do the following. #1 scale the register val...
I thought I did put enough context in place with my chart - re posted below. I was showing clearly the COP as labelled for short periods of time. I ...
I am taking only the COP during my economy 7 cheap rate - so only first[ish] 7 hours of the day, and switched off the hot water. My hot water COP is ...
The Samsung UI is showing (34/7.4 = COP of 4.60) My data suggests a COP of 5.3. This is about a 15% difference. This could be due to Samsung assumi...
I agree, that it is quite difficult to avoid cycling when the LWT is low. I will continue to persevere though. With [eventually] 8.5 cubic meters of...
Yes, but [samsungs figures] at an ambient of 7 and LWT of 35, that is 10 degrees different to my current setup.
This is the data coming directly out of the Samsung outdoor unit via modbus. So it is as accurate as the Samsung units. There may be some timing iss...
I have been trying to get to the bottom of the occasional cycling of my heat pump. Once my heat pump gets to its lowest modulation level, I actually ...
I am not sure why you would run within a PWM frequency outside the defined operating parameters of the pump. Any particular reason you need 10kHz
I know that if you buy and install a samsung gen 6 kit from midsummer wholesale a PWM pump is specified and documented in the quick start guide. They...
That would be outside the documented specs of the Grundfos by quite a margin. I am surprised it worked.
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Latest Posts
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
@jamespa cannot find loss calculation. When they get i...
By BAMi , 51 seconds 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 , 43 minutes ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 3 hours ago
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RE: What is the best strategy for operating a very oversized heat pump?
Something else... that works for some people... LG ha...
By Tim441 , 3 hours ago
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RE: Setback savings - fact or fiction?
@cathoderay I see you are continuing to misquote from t...
By SUNandAIR , 4 hours ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
So I turned my thermostats down last night And w...
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RE: SolarPV tables / online calculator
I'd be interested what others find whilst using that we...
By Majordennisbloodnok , 5 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
The debate over buffer tanks in heat pump systems has b...
By Mars , 6 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 , 17 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 , 20 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 , 21 hours 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 , 24 hours 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
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RE: Visit a Heat Pump sessions.
Congratulations @toodles, that's a fantastic result. We...
By Old_Scientist , 2 days ago
Latest Topics
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Heat Pump Sizing & Installation Costs
By Mars 5 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 6 hours ago
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SolarPV tables / online calculator
By MichelleC 13 hours ago
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By Toodles 2 days ago