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JakeT
@jaket
Member
Eminent Member
114 kWhs
Joined: Jan 19, 2024
Last seen: Feb 2, 2024
Profile Activity
Topics: 1 / Replies: 16
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RE: Ecodan ASHP - How to optimise my set up?

@sunandair your logic makes sense. My concern is that my COP is 2.5 at best. So I’m trying to find the best set up to maximise the COP, and then un...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

@sunandair Ah okay so you also get some cycling when the OAT low double digits. What is your COP? Interestingly I spoke to the installer briefly...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

Unfortunately I think the issue has not been resolved. See below hourly temps from 13h00. I’m going to run it for a few days in the current setting ...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

Another interesting piece of data. I set my HW tank to warm up between 4am and 6am. Take a look at the readings from 3am to 4 am, and then from ...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

@jamespa You raise very valid points all round. It takes a few days to see if the COP has improved. The Ecodan only provides energy consumed ...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

Thanks that's super helpful - I will adjust the flow rate to target 11L/min. How do I check the emitter value & that the flushing value is full...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

@gary & @bontwoody Okay, so heatimisers are not limiting anymore - I set them to 23c, and the temp achieved maxed out at 21c, this is with ...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

@harriup Thanks for your comments! I am going to give the current tweaks a few days to run and see what the outcome is. The outside temp change ...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

Ah so you are saying my WC curve is too low? Make sense, I will shift the curve up. The house didn't feel particularly warm after 8 hours of having...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan 11.2kW with low 5 litre per minute flow rate leading to L9 error

@paulrlondon I reset the flow rates (both heating and DHW) from 3 to 5 and also increase the flow rate on the Grundfos pump from 1 to 3. This pus...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

@bontwoody: I have upped the heatmisers - they are calling for heat constantly but I am still getting the below feedback: There was no othe...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

I will give this a go as well.

4 months ago
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Air Source Heat Pumps (ASHPs)
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