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ASHP-BOBBA
@ashp-bobba
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Joined: Dec 6, 2024
Last seen: May 23, 2025
Profile Activity
Topics: 1 / Replies: 134
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RE: Samsung E911 intermittent issue

@netdonkey Primary pump should run as follows: Heating demand on DHW demand on Defrost demand on Secondary pump should run as follows: He...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Samsung E911 intermittent issue

@netdonkey OK, so this Grundfoss pump should only turn on an off when required in heating mode as your system runs through a buffer, there will be som...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Samsung E911 intermittent issue

To add, the primary pump also can run for a while before the system fires up to confirm flow.

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Samsung E911 intermittent issue

@netdonkey The primary pump should stop after a while when there is no DHW or Heating demand, it may have an overrun to dissipate the small amount of ...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MCS heat pump pre-sale information and performance calculation

Perhaps develop a basic software, free online that allows the customer to put in most of the measurements and basic building fabric, just enough that ...

5 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
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RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@jamespa Fair point, its good to know better standards and designs are getting covered under the MCS schemes. Perhaps once it all starts to come toget...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@iantelescope They say its as a result of the combi birth and delta T changing from 11 to 20! as tech got better it required less flow so all of the e...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Samsung R290 Monobloc built-in pump - is my buffer tank restricting system SCOP?

@vcosmin Many people here will agree with you on that design issue. I watched the video and if they have 7 or 9m pump you should be well covered.

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Samsung R290 Monobloc built-in pump - is my buffer tank restricting system SCOP?

you will need to set the buffer up as a volumiser for the defrost if the installer has said it needs it for defrost and also make sure you have at eas...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@editor I will keep an eye out for that podcast, thank you. Just a side note relevant to buffers, rails separators and volumisers. I may not be corre...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@editor Can you do a podcast on standards of training, whats available, how engineers get trained, where they come from, what level they get trained t...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@editor I think these podcasts are great. I did watch this one yesterday I think. Lets see if the MI drop buffers in their schematics as options in th...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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