
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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RE: Midea ASHP – how to set weather compensation
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Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
We’re pleased to announce that Havenwise are now joinin...
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RE: COP is not the only measure of efficiency
I am a little sceptical of this, not least because, in ...
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
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RE: Who’s Caved and Switched the Heating On Already?
I have automated this decision. I have a heat pump with...
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 13 hours ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 13 hours ago
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RE: Buffers, hot water and cooling
I agree it seems like a lot of work particularly as its...
By JamesPa , 14 hours ago
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RE: Anyone still weathering it out with Agile?
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 2 days ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 3 days ago