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Last seen: Sep 19, 2024
As a test I would suggest monitoring the flow rate, the LWT and the RWT. Then change the water pump speed and note the effect. As the flow rate reduce...
@cathoderay Thanks for correcting my memory loss, one of the pleasures of growing older. 🙄 If anyone has discovered Modbus Maps for other heat pu...
Where are you located? I don't wish to appear too negative, but the consensus of opinion is that having lots of zones with a heat pump is not the mo...
My point was that both methods appear to provide approximately the same quantity of thermal energy, and I would not like to speculate which, if any, i...
Yes, I am aware. If my memory serves me well it is for a Chofu heat pump, of which Midea is a clone.
It is a long time since I was actively involved with Modbus, and then it was on an industrial system that probably followed the original Modicon mappi...
I don't know of any heat pump that can provide both central heating and DHW heating at the same time, which could drastically reduce its efficiency. ...
Hi Everyone, For those of you contemplating using Modbus RTU to communicate with your heat pump, you may find the following informative.
@jamespa We are indeed in full agreement. If my understanding is correct, Heat Geek was referring to balancing the flow around the system, such th...
As Mike has asked, 'what is the source of your flow rate reading'? Is this causing any problem with keeping your home warm?
I suspect that they just remove the 3-way diverter valve, so that the heat pump supplies both central heating and DHW heating at the same time, though...
If you wish to supply your central heating and DHW heating from one heat pump at the same time then please feel free to do so.
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Degrees of Separation
Latest Posts
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RE: Switch suitable to change between two inverter CT's
It depends An unloaded current transformer can output...
By bobflux , 8 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@batpred They offered both, I went with Pro. As an amat...
By baroquebank , 18 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 3 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 3 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 3 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 4 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 4 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 5 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 6 days ago
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