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Gary
@gary
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Joined: Feb 8, 2023
Last seen: Jul 28, 2025
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Topics: 2 / Replies: 348
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Reply
RE: Ecodan help - flow temperature spikes when operating in weather compensation mode

@eleusis it can do it but not in 4 hours, you will need to heat slab for potentially days to get it hot enough for the return temp to rise so then the...

8 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan help - flow temperature spikes when operating in weather compensation mode

You are trying to put in heat to tonnes of concrete in 4 hours that's just not possible. The heat pump can't get the flow temp any higher until the...

8 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan ASHP general set-up and efficiency

@ngillam yes but only need to do one at a time unless you live in a mansion with different wings 90 seconds is a long time

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

@ak2024 the thermistor for the tank temp is low down in the cylinder so as soon as you draw hot water the temp drops rapidly but in reality you have p...

8 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan ASHP general set-up and efficiency

@ngillam you dont need to remove the thermostats to pair them to the wiring centre. if they can't pair in situ then they are too far from the wiring ...

8 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan ASHP general set-up and efficiency

@ngillam yes it just screws in I don't think you even need to take the cover off, if you have 3 ariels do you have 3 different wiring centres?

8 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Flow temperature- At what point?

@westkent I'm not that familiar with autoadapt as it for use with radiators and I have UFH. I think there may be limitations within the service menu ...

8 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan ASHP general set-up and efficiency

@ngillam Can't really compare houses ours is badly insulated circa 2003 185sqm detached house, 8.5KW heat pump. My flow temp down to 3C is 32C then in...

8 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan ASHP general set-up and efficiency

I believe the UH8 RF wiring centre you have is only compatible with wireless thermostats so I think that confirms they are wireless. Once you ha...

8 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Flow temperature- At what point?

@westkent Ah your question makes more sense now, auto adapt does use the room temp and uses the weather comp curve set as a starting point but then wi...

8 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Flow temperature- At what point?

If you are running on weather compensation then room target temp doesn't factor into it, the heat pump will be running 24/7 and your house won't reach...

8 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan ASHP general set-up and efficiency

I would suspect that just because you were told that thermostat is connected to that channel on the wiring centre it isnt. I would turn down all the...

8 months ago
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Air Source Heat Pumps (ASHPs)
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