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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 17, 2025
Profile Activity
Topics: 17 / Replies: 2149
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RE: Vaillant Arotherm yeild and COP readings

@kev-m - yes, a new thread does make sense. Something isn't right, and because I am me, I want an explanation! For now, I can confirm most of your ass...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

Here's the local Met Office weather station recorded outdoor temp vs byte_09 for the last 48 hours: I think that pretty much confirms byte_09 is t...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

It does seems very possible it is an end of data indicator, given most of the message after it is made up of zeros, like this: "04010000272c00006911...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

Well done! Virtual machines are not easy from what I gather, which echoes my own experience, things like network access via the host's hardware being ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

@derek-m - I've worked out a way of getting the data out of the log files, here's a snapshot (actual file will be csv): As you can see, most of th...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm yeild and COP readings

@murchison2003 - I don't doubt your observations on what you have spent at all, I am just trying to highlight the fact that it is often far from clear...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

Yes, I have that booklet as well, the thing is the modbus mappings don't correspond with the midea_ac_lan mappings, as in they don't have the same add...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm yeild and COP readings

Again, the numbers (not you!) don't make sense. 3000 litres is very roughly 30,000 kWh. You say at the top of this page, you are currently using appro...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm yeild and COP readings

I do, but they either use different fuels (one still uses coal!) or heat their homes differently (different patterns and or warmth levels or main boil...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

Notify1 (elif self._message_type == MessageType.notify1 and self._body_type == 0x04: at bottom of C3\message.py) was in the original code from git hub...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm yeild and COP readings

@bristoljoe - it is completely crazy, just doesn't make any sense. I have an old leaky high heat loss building, listed so not easy to improve this sid...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

@derek-m - it's OK, I've already done them, I recall sometime in the past I missed something out in one of the other files, didn't crash the code, but...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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