Last seen: Jul 31, 2025
The heat pump is the least important part of the system its everything else that makes the difference to efficient running and comfort, so focus on th...
Sounds like you have done a lot of research, in general the performance of a heat pump takes a very long 2nd place compared to system design, so shoul...
What does the front display of your main controller show you can offset the weather comp curve from there. No one other than Mitsubishi really knows...
You are correct the heat pump will cycle on and off at any temperature if it cannot modulate down far enough to maintain the flow temperature. Open l...
I replied on your other thread it won’t make much difference as autoadapt can deviate by default +\- 5C and will adjust the flow temp accordingly so u...
@plasfron I don't believe it matters which mode you are running in, if your thermostat is satisfied it will turn off the heat pump, that's why I said ...
@plasfron Need a few more details about your heating system to be able to comment fully but here are some questions/comments for starters. Is it all...
If you are concerned about cycling all you can do is run it a few degrees warmer till you either get no cycling or reduce it to a level you are happy ...
@barrovian1963 the thermostats are wirelessly connected to the wiring centre, the wiring centre is connected to the heat pump, when a thermostat calls...
Do you have a Heatmiser wiring centre that controls the actuators it’s a beige box with red lights on it would be above your ufh manifold. if so a...
If you don't have the MAC-567IF Advanced Interface to give you access to Melcloud I would purchase it £60 on ebay.
I have the same heat pump and all of those setting look spot on, you are running pure weather compensation with a reasonable curve, the house shouldn'...
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RE: Mitsu Wireless Controller and MelCloud
@morgan Yes, "Prohibit" was the word for when switched...
By DavidAlgarve , 5 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
For reference, our installer has just contacted us afte...
By Old_Scientist , 9 hours ago
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@toodles Of course. I've also used Tim and Kat's Gree...
By Old_Scientist , 9 hours ago
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RE: Who's your electricity provider and what's your tariff?
Yes, I noticed that change too. The software really doe...
By Old_Scientist , 10 hours ago
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RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
@old_scientist me too. Just installed my new heat pump ...
By Eliuccio , 1 day ago
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RE: Is your heat pump insured?
Yup just spoke to Privilege to inform them of my impend...
By Scalextrix , 1 day ago
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RE: Forum updates, announcements & issues
Just to keep everyone in the loop, as the site continue...
By Mars , 2 days ago
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RE: Fast DHW setting on Midea (Clivet) heat pump
@simon-w, is this something you could potentially assis...
By Mars , 2 days ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
Fwiw I called my installer out for the first time a few...
By JamesPa , 2 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@sandy, I'll send Vaillant an email tomorrow and see if...
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RE: Long term efficiency degradation
@jamespa yes as I thought thanks. We have a reaso...
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RE: Who has a V2G EV installation
I agree, but a word of caution. V2X is also sometimes u...
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RE: Sunamp Thermino Heat Battery
@jamespa A few days after the installation had been com...
By Toodles , 3 days ago
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RE: Planning Permission May 2025
Fair enough. I have read the legislation and MCS020a ...
By JamesPa , 5 days ago
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RE: How do I choose a single room MVHR to prevent losing heat in my bathroom ?
An update on the Heatsava. It is the most difficult thi...
By heat-pump-newbie , 5 days ago
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RE: ASHP heat output monitoring
@carlo - not much better, is it. It looks more like a u...
By cathodeRay , 6 days ago
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RE: Renewables & Heat Pumps in the News
this document extensively describes (in a non-blame, ne...
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RE: Ecodan - Legionella Operation Time and Target Temperature
Once the white plastic cap is removed, my immersion loo...
By Old_Scientist , 1 week ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol I don't know, but they were not happy...
By DavidAlgarve , 1 week ago
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RE: Why do we need pressurised systems?
A good question @toodles. My old open thermal store and...
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