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rhh2348
@rhh2348
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Joined: Feb 2, 2024
Last seen: Sep 4, 2025
Profile Activity
Topics: 9 / Replies: 89
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Topic
Moving from two zone to single (open) / how to select a circulation pump - advice please
11 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Replies: 17
Views: 1805
Reply
RE: Mitsubishi Ecodon stuck on immersion symbol

If the legionella is unticked I doubt it'll come on as the installer states. In your first photo it's not on timer - it's running continously. ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodon stuck on immersion symbol

Do you know your immersion/booster actually works as it should? Check your legionella prevention settings to see when it's next due to happen and se...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodon stuck on immersion symbol

BTW your SD 'memory' card is dark, showing 'abnormal operation'

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodon stuck on immersion symbol

@ak2024 - that symbol is immersion or boost, not legionella - see: Also I assume your probe is mid-to-lower in your cylinder so it will only show ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan - flow rates, sensors, settings

What were your drivers for replacing the pumps and removing the LLH, other than the 'usual' better design + increased efficiencies? That's prett...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan - flow rates, sensors, settings

Are you able to share your pumps and cylinder details?

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan - flow rates, sensors, settings

I may very well come back to you for some detail on that pump at some point in the near future 🙂 I was referring to this: OK, that may ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan - flow rates, sensors, settings

I am assuming you are aware of the FTC(6, I think) pump speed settings that allow you to set a different circulating pump speed for space heating to t...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan - flow rates, sensors, settings

[quote][/quote] Having read up on the matter since, the Ecodans do not do this - they run at one speed, be that which is set internally on the pump ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Determining correct flow rate for a heat pump

Assume so too. I think my pipes are at 150mm centres, which I understand is common for screeded underfloor - but I watched the HG video and (mainly!...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Determining correct flow rate?

Feels like this was way out after some of the replies, however are there any rules of thumb on such matters - for example, given UFH in an area of Xm2...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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