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Derek M
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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4405
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RE: Do setbacks save energy without compromising comfort?

If you would care to provide the minute by minute raw data for last nights chart, I will run it through the Modeling Tool as see if it predicts that c...

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

@cathoderay I would state that last nights cycling was due to the weather being milder, hence the heat demand was below the minimum output of the he...

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

@cathoderay What was the operating mode of the heat pump?

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

I will make one final attempt. But your heat pump controller does know the true OAT shortly after it has stopped running, the problem being that it ...

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

It means that I don't have a problem if you wish to keep going round in circles.

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

The WC curve needs to match the heat loss of your home. What is the heat loss calculation? When heating the hot water cylinder, the heat pump increa...

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

@cathoderay No problem.

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

What are the settings of the Weather Compensation (WC) curve?

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

Okay, time to go back to basics. What is the size and type of your home? What is the heat loss calculation for your home? What is the output capacit...

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

That is the reason why I suggested putting the system in fixed LWT mode for a period of time, it is similar to putting an auto control system into man...

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

@cathoderay What is the 'source' of the Set LWT reading? Is it read from the Midea controller? I wonder if the controller waits until the LWT has ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Intelligent Octopus Go without an EV?

So you are the culprit behind NG (or whatever they are called, or going to be called) having to carryout such excessive upgrades. 😋

2 years ago
Forum
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