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Last seen: Sep 10, 2026
The system was installed as a 3 zone system with programable thermostats in each zone. The zones were set up by the installer to turn on and off with ...
I have now implemented the WC curve/line in HA that @TomC shared, but I'm not sure if the heat pump is running efficiently with this setup? I...
Unfortunately I don't really have any experience of trying to control the unit with minimal modbus. The only thing I used on Linux was mbpoll to initi...
Thanks very much Ian, I changed FSV 2091 to "Not Use" but it didn't have any effect. I then also changed FSV 2092 External Thermostat Application #2 (...
@iancalderbank I have come back to this a number of times but always thought I was doing something wrong. My system was initially set up to use Water ...
@kocta This is my configuration.yaml code which is very much based on the work of others here # Samsung Heat Pump Modbus Connection modbus: - name...
I came across this video which is an interesting example of heat pump control within Home Assistant
I have added the UI config and the YAML config of the script here. The main part is "modbus.write_register" and the payload associated with that. As...
@derek-m I only heat the water twice a day (at the moment it's to 50 degrees from 02-05:00 during the cheap night rate and to 42 degrees from 15:45-16...
@derek-m I am on a variable tariff so I'm turning heating and hot water off from 17-19:00 and upping the hot water set temperature from 2-5:00 I'm u...
I meant to credit Glyn Hudson for the hidden registers PDF which I found on his GitHub page
I had converted the Samsung Modbus MIM-B19N section on registers from PDF into Excel just to make it a bit easier to understand for myself. The sectio...
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Latest Posts
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RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
Yes, and I would suggest likely to get worse with more ...
By Batpred , 3 hours ago
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RE: Electricity price predictions
This topic seems more suitable for this thread... I a...
By Batpred , 3 hours ago
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RE: Why are ASHP installs so expensive?
It is clearly difficult to say, there must be cases whe...
By Batpred , 4 hours ago
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RE: Who's your electricity provider and what's your tariff?
Hi all, I'm new to this game having spent the last 25...
By gz00 , 5 hours ago
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RE: Panasonic Free Multi Z and Etherea Internal units.
@dgclimatecontrol Thank you for that information and re...
By Toodles , 9 hours ago
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RE: My Kronoterm Adapt 0312 ASHP is finally installed!
@editor It was serendipitous really. Both my wife and I...
By tomasmcguinness , 14 hours ago
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@mrkfm, I'd also suggest that whenever you're ready, st...
By Mars , 1 day ago
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RE: Are you planning to use a wood burner to supplement your central heating this winter?
I use my stove daily for backup and comfort. Definitely...
By Margarethomas , 1 day ago
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@rob-of-york Thanks. I wish I'd started on this site as...
By mrkfm , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@downfield I just checked this morning and OE just r...
By Papahuhu , 1 day ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Thanks Will. I'll probably be a week or so before get...
By Singlespeed , 2 days ago
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RE: Cooling using an air to water heat pump
From experience this summer, a single-split A2A unit on...
By Rob of York , 2 days ago
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Analysis of the economics of switching to an A2W ASHP compared to other heat sources
This post aims to analyse the economics of installing, ...
By Rob of York , 3 days ago
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 4 days ago



