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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Jul 15, 2025
Topics: 17 / Replies: 2064
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RE: Real world connection to a heat pump over modbus

@mosibi - thanks for your contribution, looks like an interesting project! However, it does tie the user to using your hardware, ESPHome and Home Assi...

1 year ago
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

Yes, as has been all my OAT data to date, meaning charts are comparable, as in showing the same data from the same sensor. I do now have an outdoor ...

1 year ago
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

Continuous running: weather compensation (room stat at 26 ie 'always on'); setbacks timed by turning the room stat down to 12 degrees between 2100 and...

1 year ago
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

I've been running with 6 hour overnight setbacks for the last week. Here is the last two weeks noon to noon mean OAT and energy use, left hand side no...

1 year ago
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

@sunandair - interesting. I have added an eyeballed trend line, ignoring the outlier, and the general shape of the curve is very similar to the curves...

1 year ago
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RE: Real world connection to a heat pump over modbus

@ctw - Freedom can be very awkward, they have a B2B business model that means that as a rule (but not always) they ignore us mere end users. If you ca...

1 year ago
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RE: Real world connection to a heat pump over modbus

@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...

1 year ago
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RE: Real world connection to a heat pump over modbus

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. ...

1 year ago
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RE: Slash Your Heat Pump Bills Overnight

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...

1 year ago
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RE: Slash Your Heat Pump Bills Overnight

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 ...

1 year ago
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RE: Slash Your Heat Pump Bills Overnight

Another point to consider: what happens if time of use tariffs become commonplace, and many more people time their electricity use according to their ...

1 year ago
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