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Tasos
@tasos
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Joined: Nov 25, 2024
Last seen: Oct 20, 2025
Topics: 0 / Replies: 46
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RE: Testing new controls/monitoring for Midea Clone ASHP

By what rule would flow be modulated ? Is it not the primary circuit flow ?  

1 month ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

I am not sure the chart is accurate. Because how is it that T1S changes when OAT is constant (just before 21.00) ?  

1 month ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

I think the flow rate is meant to be constant. In my machine is set at 0.36 m3/h. But I am not sure of this. On the other hand, why shouldn't it be ? ...

1 month ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

I don't think I am. The order is: 1. The system orders a defrost cycle. 2. The OAT sensor sends erroneous measurement (warmer). 3. The set LWT (...

1 month ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

Ha, ha true, but I am not saying it isn't any good, I am saying it is not that good. A simple argument is that it is open loop. And to answer your "an...

1 month ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

@benson T1S is actually the LWT defined by the WC. However, I wouldn't describe the behavior as "overshooting", but rather "oscillating" around the se...

1 month ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

The refresh time of climate-related curves in heating mode can be changed but not less than 0.5 hrs. This explains the LWT behavior. Further, since ...

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

@pash44pump Referring to the problem of rooms with different heating demands, I would use a recently available option which is thermostatic valves wit...

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

@cathoderay OK let's wait and see, it sounds an interesting exercise.

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

@benson I believe, noting the data in 16 hourly intervals should be more than enough for the purpose we are discussing (after the system has been work...

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

@pash44pump My opinion on data collection is the following: Regarding OAT, I would use the pump's sensor, since it is this value that the system use...

2 months ago
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