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Last seen: May 7, 2026
I'm currently using weather compensation with a home automation system preventing overheating (acting as a smart thermostat) and making slight adjustm...
Not according to the paper schematic I have, but the circulation pump is wired into the ecodan control unit. Actually, it's not clear to me whether th...
I used the app so I think I cannot see what number it used. They said they'll call back or email and never did. Maybe I will try the number you give w...
Does anyone know what mode a Grundfos pump in an Ecodan system should be set to anyway? The Ecodan has quite a wide range of acceptable flow rates (9-...
I admire your faith in the Mitsubishi programmers but the "quite some time" in the current version of Ecodan auto adaptation (since last November's fi...
123kWh for the ASHP here that week, 100kWh heating and 23 kWh hot water. Not much idea of non-ASHP because I've still not got Octopus talking to emonc...
There is a service history page in the ecodan commissioning document, similar to a car's one, to be completed when the unit is serviced. No, I'...
A "market for lemons" as it is sometimes known. It is an utter disgrace how much UK money is being frittered away by incompetent regulation.
Does it speak anything standard like MQTT?
Mitsubishi don't answer me. I've managed to get the system working pretty well with help from this forum and another and may be able to complete the i...
A response from our installer? That'd be nice!
Whoa. Ignore everything I wrote, which relates to the recent ecodan controllers. How old is that installation?
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Degrees of Separation
Latest Posts
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RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 6 hours ago
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RE: Adventures in heat loss calculations
yes and no. apparently HG’s AI was automatically assumi...
By Batpred , 6 hours ago
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RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 7 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@rob-of-york Thank you for that, whilst familiar with t...
By kilgorexv , 7 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 7 hours ago
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 11 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 , 3 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...
By Old_Scientist , 3 days ago
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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 , 4 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 , 4 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 , 4 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 , 5 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 5 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 5 days ago
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