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SUNandAIR
SUNandAIR
@sunandair
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Joined: Dec 30, 2022
Last seen: Aug 13, 2026
Profile Activity
Topics: 5 / Replies: 564
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RE: Ecodan - flow rates, sensors, settings

@rhh2348 We have a Tempest Solar cylinder which has two coils and has 250l volume. Solar thermal array on the roof. The Grundfos circulation pumps ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - flow rates, sensors, settings

My bad…. the FTC6 does have separate speed settings as you say. It’s some time since I’ve looked at the on screen menu for pump speeds because we can...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - flow rates, sensors, settings

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - flow rates, sensors, settings

Hi, @rhh2348 I’ve been looking for ways to control flow rates on our ecodan for over 2 years specifically for our Tempest cylinder. We now control ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Determining correct flow rate for a heat pump

It’s clear from what you say, above and what we have experienced in our own system that radiator systems behave very differently to screed laid under ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Determining correct flow rate for a heat pump

Hi @rhh2348 I have a question on your underfloor setup. The floor you’re describing above, assuming the 100mm thickness is a concrete screed, wou...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - flow rates, sensors, settings

Hi @rhh2348 , coming late to this thread as our Ecodan is off and our DHW is wet solar during the summer months. Have you found the answers to your ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP - a few (probably dumb) questions about the lived experience

So @lickofpaint I think you have your answer - “Your question isn’t so dumb…” as for lived experience we did some experiments on night time setba...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

Your graph shows some interesting correlations. Simple question- Can you confirm if the 17% difference in estimated consumption is of your total HP m...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observations on my Ecodan's estimates of energy consumed and delivered

yes ours is set exactly as you stated. 72W for pump4. Zero for all others. I may consider reducing it to 50w and see what that does to the daily sta...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Observations on my Ecodan's estimates of energy consumed and delivered

Hi. Do you know if your meter is collecting all energy used by all ancillary equipment eg. Immersion heater, zone pumps (if fitted) etc? Also how ma...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Observations on my Ecodan's estimates of energy consumed and delivered

@derek-m brilliant... will look into it!

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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