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Last seen: Sep 6, 2026
Great, and good luck! Do take your time, the old think three times, measure twice and cut once routines. If you have any questions, don't hesitate to ...
As I'm on the case... It looks like these are the LG modbus wire connection terminals, from this HA thread:
I think you are in luck. I found this in a LG Therma V manual: Register 30003 looks like the RWT (returning water temp), 30004 the LWT (leavin...
That suggests a possible modbus connection. If you have or can get a service manual for your particular heat pump model, you might be able to find out...
There is another option. Have a bath once a month (whether you need it or not).
This appears to be another example of heat loss calculations over-estimating heat loss significantly, something that old buildings appear to be prone ...
If I have read and copied the Midea data tables correctly, I am not sure I can see much 'efficiency' difference between a smaller heat pump running fl...
Midea and I suspect other manufacturers do have detailed tables of heat pump outputs and i suspect it should in theory at least be possible to compare...
I am not sure we fully understand either the supposedly harmful or indeed the potentially beneficial effects of cycling, eg when a heat pump uses it t...
Not to mention python scripts, but a room stat / timer solution is the sort of thing people can set up without complex knowledge of heat pump controll...
Can't a room stat with timer achieve that? It would need enough on/off times per 24 hours, then just set the desired temp very high/very low. HDHD (...
I think it is possible installers may consciously or subconsciously welcome this, because it allows them to over-size on the back of what looks like a...
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
The discussion continues to be interesting and I have o...
By ian33a , 21 minutes ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
At a practical level, you'll also want a heat pump syst...
By Old_Scientist , 1 hour ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 1 day ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 2 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 2 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 2 days ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 2 days ago
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It’s been out a few days and Amazon has already attache...
By Mars , 2 days ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 5 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 1 week ago



