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Last seen: Sep 10, 2026
@iancalderbank I am doing the calculations after I upload the data inputs to Emoncms.org Input = Heat Pump Shelly EM CT clamp + Indoor Tank Shelly E...
@iancalderbank I had the same thoughts when wiring up my 8kw unit. I used a few cable ties also and tried to find somewhere that made sense.
I have now managed to program the new registers. I think the issue may have been down to the lack of a 120 ohm resistor on the modbus card initially. ...
I switched the USB over to my Home Assistant machine and am getting some data in. Great start!
I received my modbus board today and installed it. The lcd on the board is flashing "00" and this is the message I get back when I run the first com...
I'm interested to get the my Samsung Modbus connection up and running so I can monitor the DHW temperatures. I have a hot water circulation pump set u...
My MIM B19N board didn't arrive before the weekend so I'll have to wait until next week to start working on it.
@william1066 Ok thanks for that, I have a raspberry pi which I should be able to use for the mbpoll config
@scrchngwsl I can't advise you on the technical aspects of it but can give you my opinion after carrying out similar works. We were adding an exten...
@william1066 Thanks for sharing all you have learned so far. Documenting what you have done so others can follow sometimes nearly takes as long as doi...
@william1066 I would be very interested if you could share your Home Assistant config. My MIM-B19N will hopefully be delivered by the weekend and look...
@william1066 That's very interesting to see in action. I have been using home assistant for a number of years and conveniently the pi is located besid...
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Latest Posts
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
I think Heat Geek have done an amazing job on their bra...
By Tomtheheatingengineer , 3 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
I have just had 3 heat loss surveys, one by heat geek o...
By David , 3 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
I think that's the key question. After all inverter uni...
By Prunus , 5 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 6 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
A unit which uses water to transfer the heat/chill from...
By Temperature_Gradient , 6 hours ago
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RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 6 hours ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 7 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 12 hours ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@editor Most certainly. The heat pump was an ideal s...
By Abernyte , 12 hours ago
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Although regulations may well vary from country to coun...
By Majordennisbloodnok , 13 hours ago
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RE: Does anyone have experience of a smart water meter?
Yep I caught our slow leak from a £100 bill rise 8)
By EtchedPixels , 13 hours ago
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RE: Do You Need a Buffer Tank or Low Loss Header for Underfloor Heating in a Large Property?
@jamespa in some cases, failing the Turing test might b...
By GrahamF , 16 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
@energystoragetech The heat capacity of some...
By JamesPa , 18 hours ago
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RE: tepeo ZEB UK Support & Info Thread
Sorry you are correct, I was remembering figures from t...
By JamesPa , 1 day ago
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