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rhh2348
@rhh2348
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Joined: Feb 2, 2024
Last seen: Jan 18, 2026
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Topics: 9 / Replies: 93
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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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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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 ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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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!...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Determining correct flow rate?

How do people find switching from DHW to space heating in respect of the flow and return temps? For example, going from a 52C flow (for 47C DHW temp)...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Determining correct flow rate?

I asked the question to gain more understanding in the context of the flow/return temps rather than that being what I wanted to/was planning to achiev...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Determining correct flow rate?

I lowered my flow rate to c. 11L/m for the Ecodan and the heat/power output went down to c. 3.8kW :-/ The deltaT remained around 5 so I assume Ecodan...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Determining correct flow rate?

This may seem like a daft question but can I please check - one should always aim for their systems to have a return temp of <target temp> + dT ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Determining correct flow rate?

so conversly, flowrate = heat / 4.18 / deltaT Using 6kW as power ('heat'), 6 / 4.18 / 8 * 60 (to get lpm) = 10.77lpm, or the 10.8 I quoted - nice. ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - Legionella Operation Time and Target Temperature

@Richard24738 - how did this pan out?

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Determining correct flow rate for a heat pump
1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 23
Views: 14783
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RE: Ecodan - flow rates, sensors, settings

Nudging this thread to see if any other Ecodan can share their experiences of their set up and how it behaves when heating water. [quote]Further...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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