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Samsung / Worldheat buffer mixing

 
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Air Source Heat Pumps (ASHPs)
Last Post by DavidAlgarve 2 years ago
18 Posts
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Toodles
 Toodles
(@toodles)
Famed Member Contributor
Joined: 4 years ago
Posts: 2845
19/10/2024 4:50 pm  

@davidalgarve Do you have fan coil radiators then? Toodles.


Toodles, heats his home with cold draughts and cooks food with magnets.


   
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JamesPa
 JamesPa
(@jamespa)
Illustrious Member Moderator
Joined: 3 years ago
Posts: 5155
19/10/2024 5:05 pm  

Posted by: @davidalgarve
↑

Oh Crikey! I was hoping I had persuaded my reluctant contractor to change my tank to a volumiser in the return line, as advised by one of the contributors here

Apologies, this was the first time I had heard an argument for putting it in the flow, and the arguments for putting it in the return seem (and I think remain) sound. 

However I will readily concede that @heacol s arguments for putting it in the flow are also sound and, since comfort trumps efficiency, arguably stronger.  

That said I also agree amputation is also a very good approach.

Don't get too stressed, any of the above should be much better than what you currently have and it's unlikely that the difference between the three options is great.

Every day is a school day!

 

 

 


4kW peak of solar PV since 2011; EV and a 1930s house which has been partially renovated to improve its efficiency. 7kW Vaillant heat pump.


   
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 DavidAlgarve
(@davidalgarve)
Reputable Member Member
Joined: 3 years ago
Posts: 248
19/10/2024 5:34 pm  

Posted by: @toodles
↑

@davidalgarve Do you have fan coil radiators then? Toodles.

No, Just the usual for here, Roca segmental aluminium type.

That lets me off the hook then?


342sq m "Upside down" house in Algarve. Portugal
Mitsubishi PUHZ-120YUK 12kW ASHP
12 Solar Panels Growatt Inverter
2 x Growatt 7.5kW Batteries
Fronius EV Charger
Kia e- Niro 64kW


   
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Toodles
 Toodles
(@toodles)
Famed Member Contributor
Joined: 4 years ago
Posts: 2845
19/10/2024 5:56 pm  

@davidalgarve From what is written above, ‘amputation’ is probably your best option! Toodles.


Toodles, heats his home with cold draughts and cooks food with magnets.


   
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JamesPa
 JamesPa
(@jamespa)
Illustrious Member Moderator
Joined: 3 years ago
Posts: 5155
19/10/2024 5:56 pm  

Posted by: @davidalgarve
↑

Posted by: @toodles
↑

@davidalgarve Do you have fan coil radiators then? Toodles.

No, Just the usual for here, Roca segmental aluminium type.

That lets me off the hook then?

How frequently do you get defrost cycles (I ask because if the answer is not very, it really doesn't matter).

 


4kW peak of solar PV since 2011; EV and a 1930s house which has been partially renovated to improve its efficiency. 7kW Vaillant heat pump.


   
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 DavidAlgarve
(@davidalgarve)
Reputable Member Member
Joined: 3 years ago
Posts: 248
19/10/2024 6:14 pm  

Posted by: @jamespa
↑

How frequently do you get defrost cycles (I ask because if the answer is not very, it really doesn't matter).

Hardly ever, but started on the weather compensation path last winter and was fiddling with that up to spring this year so ever changing scene. Also added DWH about then and solar PV in August, so fragmented learning curve.

I will stick to the argument I put forward with my contractor


342sq m "Upside down" house in Algarve. Portugal
Mitsubishi PUHZ-120YUK 12kW ASHP
12 Solar Panels Growatt Inverter
2 x Growatt 7.5kW Batteries
Fronius EV Charger
Kia e- Niro 64kW


   
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