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Steven
@steven
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Joined: Jan 17, 2023
Last seen: Nov 20, 2025
Profile Activity
Topics: 0 / Replies: 9
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RE: Samsung ASHP scheduling help

I've got the hidden registers being registered in two custom commands on boot of the ESP in my config here. I've put comments beside each register to ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung ASHP scheduling help

minimalmodbus requires full-fat Python, ESP can only run MicroPython. This snippet you've added doesn't touch Home Assistant so isn't a fair compariso...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung ASHP scheduling help

Did you try it with something simple like DWH temperature first? I just added the code I pasted the other day and it changed the DWH temperature succe...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung ASHP scheduling help

Use ESPHome Modbus Number or Switch components depending on what it is you want to do. For example setting the DHW temperature: number: - platf...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung ASHP scheduling help

For the time being I've added a template sensor to calculate the approximate target flow temperature using y=mx+b. I added four number helpers into Ho...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung ASHP scheduling help

I finally managed to get time to install the MIM-B19N modbus interface into my Samsung 8kw HT Quiet at the weekend. I'm integrating it with Home Assis...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung ASHP scheduling help

@tomc are you adding a 120ohm resistor on the MIM-B19N between A+B terminals? I know Homely's install requires it and I see the USB adaptor you shared...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

Hi! 🖐️ Just had our heating overhauled a couple of weeks ago, replacing an ancient Camray 5 oil boiler with an 8kW Samsung Mono HT Quiet (AE080BXYDEG)...

3 years ago
Forum
Introductions, Forum Rules & Updates
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RE: Samsung ASHP scheduling help

I just had the 8kW EHS Mono HT Quiet (AE080BXYDEG) installed and was about to order the WiFi kit before I found Glyn and @TomC's posts about modbus. ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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