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Last seen: Jun 28, 2025
I only know the odd bit that I have read about buffers, and that they are a source of divergent opinions. My understanding is one would provide some h...
@john-connett PWM control has been discussed elsewhere and I think the opinion is that it is not functional in the Mitsubishi system. Perhaps the boa...
It seems a shame that Mitsubishi can't or won't explain the misreporting of energy consumed, I wonder whether it is a data recording issue rather than...
@beagles Can you clarify – is 12,500kWh your total house electricity usage or the annual consumption reported by the heat pump? Does it give you a fig...
Well, generally a heating system is controlled by demand rather than another parameter. Even if you could lower the compensation curve further it woul...
Is it the service manual you have for reference? At the bottom of page 6 it states the water flow rate range is 10.0 to 24.8 l/m. Similar to mine, tho...
The right hand pump, which circulates the tank's water through the heat exchanger, I believe should be set to II not III.
The leftmost pump is the heating circuit circulation pump and the central pump is the primary circulation, ie the one that will always function when t...
Given that your living room wasn't getting up to target with a fixed flow of 40° then it is not surprising that changing it to a lower variable temp f...
There was thread somewhere recently, which I can't find now, where someone had a DHW pump that was running continuously. That would be annoying but no...
Apologies for the previous post which was my failed attempt to quote from the original – hopefully it will disappear!Here are a few thoughts on differ...
Hi, I am very new to all this! How do I set the warm end of the weather compensation curve when it’s not warm outside? We’ve got a Mitsubishi Ecoda...
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Any readers with an interest in Solar Farm generation i...
By Toodles , 26 minutes ago
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RE: Heat Pump Operation in Summer - Valliant 7kW
Yup! Summer in Spring. Wonder if Summer will last unt...
By Majordennisbloodnok , 49 minutes ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
I had a look at the manual for the pro and it mentions ...
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RE: Solar Produced vs Home Consumed
It's worth adding that if you have a hot water tank and...
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RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@editor Sorry Mars, I didn’t see a notification about ...
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RE: Hitachi Heat Pump being replaced with Vaillant
Yes to be configured as a volumiser. The pump is to be...
By trebor12345 , 3 hours ago
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RE: Anyone concerned about GivEnergy?
So it seems subscription day has finally arrived for Gi...
By TechnoGeek , 5 hours ago
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RE: How many people are happy with their ASHP and do you believe them?
I agree, and not. Energy prices are a largely politica...
By JamesPa , 7 hours ago
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Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 7 hours ago
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 20 hours ago
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@editor "The interesting bit is that many modern invert...
By Singlespeed , 1 day ago
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RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 1 day ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I reached out to MCS directly last week on this and her...
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RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
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