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JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Jan 14, 2026
Topics: 20 / Replies: 3933
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RE: Recommended home battery inverters + regulatory matters - help requested

One more earthing question occurs to me. If, as now seems almost certain, the recommendation (requirement) with a TN-C-S or in practice a TN-S system...

5 hours ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?

  Thats great thanks. TBH setting the low end of WC curve according to the design temperature has been very common (possibly even universal) p...

5 hours ago
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RE: Reliable, easy to use home battery options

FWIW I started a thread here just a few days ago trying to understand the options for islanded (ie able to operate when grid disconnected) and non is...

11 hours ago
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RE: Ecodan Pump Issues… Circulation pump turns off when heat pump compressor turns off

Interesting. A higher DT of course means a higher flow temperature for any given average surface temperature (and thus output to room), thus reducing...

11 hours ago
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RE: Ecodan Pump Issues… Circulation pump turns off when heat pump compressor turns off

Interesting and great that you are able to run experiments. As a matter of interest what precisely do you mean by 'oversized'. Surely any emitters c...

21 hours ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?

      In recent cold weather the curve might be your problem. If its 50 at -2 then below -2 the flow temp will flatline when ...

21 hours ago
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RE: Ecodan Pump Issues… Circulation pump turns off when heat pump compressor turns off

If I understand what you are saying correctly and the unit is well sized you should win the bet. My Arotherm, just in a normal house, is up to 1830 '...

22 hours ago
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RE: Ideal HP290 14kW ASHP - how to optimise

No idea, don't even know if it does that's why I was hoping for an ideal expert. Halo doesn't really do what you need IMHO.  

1 day ago
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RE: Ideal HP290 14kW ASHP - how to optimise

@ashp-bobba Sorry I thought you had. Someone on here used to rave about Ideal but I cant now remember who it was! Maybe @editor knows someone who...

1 day ago
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RE: Ideal HP290 14kW ASHP - how to optimise

Is it on the main display? I think so, I would guess its either 35 or 39, hopefully the symbols are described somewhere in the manual. If you go d...

1 day ago
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RE: Ideal HP290 14kW ASHP - how to optimise

I cant hear anything unfortunately. I think the audio might somehow be corrupted. Neat installation but there are a few things I would personally q...

1 day ago
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RE: Ideal HP290 14kW ASHP - how to optimise

Please feel free to post back if you have questions/things dont go as you expected/hoped. As I say this does take some elapsed time but if you are pu...

1 day ago
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