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cathodeRay
cathodeRay
@cathoderay
Moderator
Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 13, 2025
Topics: 17 / Replies: 2131
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RE: Midea ASHP – how to set weather compensation

I am now even less sure we are! The manual page you posted doesn't appear in any manual I have seen for my heat pump. I also note from your footer ('s...

1 week ago
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RE: Midea ASHP – how to set weather compensation

Oh dear. Evergreen appears to be a quick shot spanner plumber to heat pump planner toolkit from an outfit called EasyMCS. That rather sets the tone. I...

1 week ago
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RE: Midea ASHP – how to set weather compensation

This simply isn't true. Midea heat pumps of the type we are talking about are controlled in one of two ways: (a) using weather compensation (WC): th...

1 week ago
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RE: Midea ASHP – how to set weather compensation

@pash44pump - @jamespa has already come up with some useful comments. At this stage all I would add is: (a) yes, the analogue flow meter is very use...

1 week ago
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RE: Midea ASHP – how to set weather compensation

Yes, I see that now, but I wonder what its internal diameter is? A very short length may not matter that much, but longer lengths may impede flow. My ...

2 weeks ago
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RE: Midea ASHP – how to set weather compensation

Agreed. The WC and thermostat settings only become relevant when the system is running, which can't that far away now, but we haven't got there yet. ...

2 weeks ago
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RE: Midea ASHP – how to set weather compensation

I very much doubt that! I am talking about the primary pipework to and from the heat pump, inside the inadequate black insulation. In a 'normal' insta...

2 weeks ago
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RE: Midea ASHP – how to set weather compensation

@pash44pump - thanks for the photos and 'scope' document. Both the installation and the 'scope' document appear somewhat chaotic, and, so far as I can...

2 weeks ago
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RE: Midea ASHP – how to set weather compensation

@tim441 - an excellent succinct summary. @pash44pump - re-routing the pipework may well make sense, a one off cost vs a never-ending drip drip drip ...

2 weeks ago
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RE: Midea ASHP – how to set weather compensation

@pash44pump - good, we're on the same page (screen) on the wired controller. As you can see from the chart I posted earlier, the LWT/RWT often vary a ...

2 weeks ago
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RE: Midea ASHP – how to set weather compensation

If it were me, I would start with everything on/open, running on weather compensation, and take it from there (once the weather is cold enough to need...

2 weeks ago
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RE: Midea ASHP – how to set weather compensation

This suggests that the heat pump was not running on weather compensation (WC) at the time you recorded these values. With WC you don't set the (flow) ...

2 weeks ago
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