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HarriUp
@harriup
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Joined: Nov 25, 2021
Last seen: Jun 28, 2025
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Topics: 1 / Replies: 107
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RE: Ecodan ASHP - How to optimise my set up?

Firstly, a bit good news regarding COP - it’s not as bad as you might think! Mitsubishi reporting of electric consumption is known to be overdone – fo...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan help with efficiency setup and design

@rich I agree with your assessment that your pump is oversized, I have the same unit in a similarly-sized house with a design temp of 50° at -2.5 and ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Optimal Heat Pump Installation: What You Should Know

Definitely a better understanding of the heat demand of my home. Before installation I tried reducing the output temperature of the boiler to simulate...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Does your heat pump calculate and provide you with a COP figure?

@pkham I am not a Midea owner, but if I am reading your screenshot correctly you are running it to a fixed temp output of 41° not a variable output W...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan heat pump that has lost connection

If you refer to this document -- part D-9 explains the process of re-pairing your wireless controller and receiver.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Optimising ecodan ASHP

@rod This pattern is very familiar to me as it just how my heat pump chooses to operate. Under WC it would cycle more frequently but using AA it is a...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

That is a bold statement Gary, it might be true for your installation, but, for example, it isn't for mine which has been running with flow temps betw...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan & MEL Cloud

My system is not UFH so my direct knowledge is zilch, but I think Derek is probably on the right lines. On the first of the MelCloud screenshots you p...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan appears to be ignoring Temperature Compensation

Generally I would say you need to work out how to get your system heating the house as you want it, then work out how to do it more efficiently, then ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Poor COP with an Ecodan

I'm not sure you should worry too much. The inaccuracy of the unit's measurement of its consumption builds up, I know my unit thinks it has used 60 kW...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

You're right, only the last of these is a defrost, the bigger drop in LWT is the sign of the heat extraction. I have only ever looked out of the windo...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

Concisely put. But cycling is phenomenon that seems to have a number of causes, and this golden standard of continuous, even running seems to be held ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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