Last seen: Sep 23, 2025
@toodles - thanks, in a Midea controller they are labelled H1 and H2. You can just make out H2 (bottom right) in this image of my wired controller wit...
Basically, yes. It is a two wire connection to those terminals in the wired controller. I also added a simple 120 ohm resistor across the terminals. ...
You weren't the only one. There is another recent truly bizarre post here, to which I nearly replied '"The broader challenge calls for a collective in...
But that is pretty much what has been proposed in this thread... The point I am making is that if this happens widely, it may mean the tariffs end up ...
Another point to consider: what happens if time of use tariffs become commonplace, and many more people time their electricity use according to their ...
Apparently so, according to their website. Samsung units have a modbus connection via an add-on board.
Good thinking. I've also had a look at the connections in the photo, and it looks like a standard two wire modbus/RS485 hookup plus DC power supply:
Very interesting indeed. I think at a basic level it is identical to my system: modbus connection to the heat pump, then read and write data over that...
Are you able to describe how you do this, what kit you use, and how you get the data into a computer? At the moment I use the sensor in the heat pump ...
I'm sure that is absolutely right!
I think it's called market forces, the efficiency of markets, or whatever those who work in the field that makes astrology look reputable call it thes...
Which is the point I was trying to make using lay language. The throttle effect (at 11 down to 8 kW) is around 27%, the efficiency losses are (much?) ...
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