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SUNandAIR
SUNandAIR
@sunandair
Member
Noble Member
3387 kWhs
Joined: Dec 30, 2022
Last seen: Mar 10, 2025
Profile Activity
Topics: 5 / Replies: 457
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Reply
RE: buffer/volumizer cupboard space eater, do i need one?

I didn’t see your earlier reply to @old_scientist which goes a lot further in detail. Which is pretty convincing. ive copied it here for a reminder....

1 week ago
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Air Source Heat Pumps (ASHPs)
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RE: buffer/volumizer cupboard space eater, do i need one?

There are some compelling arguments for putting the volume on the flow side and I’m almost persuaded. However the emphasis appears more weighted on de...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: buffer/volumizer cupboard space eater, do i need one?

@jamespa thanks for the thoughtful reply. Would be interesting how the replies pan out.

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: buffer/volumizer cupboard space eater, do i need one?

Great answers @old_scientist. One other query I have with position G is - the location is on the return side…. after the DHW cycle the system feeds 50...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: buffer/volumizer cupboard space eater, do i need one?

So... where would you install the volimiser? See choices in the attached sketch. I think this will help to resolve some nagging inconsistencies in pre...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Oversized Ecodan

If your UFH is a high mass construction you may be able to store quite a bit of heat so you can run the heating above the cycling temperature or to a ...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan Energy Monitoring Pack

I recall some basic maths kwh= LPS X DT X SHC Where the SHC is specific heat carrying capacity (SHC of water is usually quoted as 4.2 whereas glyc...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Hi @jamespa I’ve been travelling for a few days and felt I needed to address some unanswered messages from you. I think and hope we just had some ...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Sorry James the radiator output is governed by temperature of the water inside them and the lower the flow temperature the slower and sustainable the ...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

I think Rob Berridge states on this episode that you can’t have “too much” radiator capacity on a HP installetion (if you want the quote try 12 mi...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

As per Robs comment @robs this is a R290 model which will operate down to 2kwh output…. ironically R290s are being hailed by some as the high te...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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