Last seen: Jun 13, 2025
@hillswick if you engage more radiators then it will take longer for the flow and return temps to stabilise so the heat pump will run harder. what f...
@davidnolan22 Nice out of interest do you know how much power it pulls at that temp at 32C my 8.5KW unit pulls about 800W
@davidnolan22 good spot, that should probably be ideally removed not needed for a heat pump. Needs to be set so it doesn't do anything if possible. ...
@sandman1600 If you unscrew all of the actuators then the circuits will always be open regardless of what the thermostats are doing, then you just ...
@sandman1600 Control logic is either auto adapt, weather comp or fixed flow you want weather comp the graph symbol in the image below What is tell...
You don't say what flow temperatures you are running at, are you using weather compensation or a fixed flow temperature? What are the flow and retur...
@sandman1600 What controller do you have there are good videos from mitsubishi on how to set weather compensation, I will assume you have an FTC7 cont...
If you have a Mitsubishi wireless controller then it should be set to Room RC not Main RC, if you use Main RC it will now be using the main controller...
That is the target room temperature and if its showing -20C then its not getting a temperature signal from the thermistor. Are you using the main co...
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...
Latest Posts
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Hi. I like to monitor the performance of my Ecodan heat...
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RE: Air Changes per Hour - ACH and the MCS requirement
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RE: Flow Rate & Low Loss Headers
Houses with reasonably low loss aren't going to require...
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RE: Help me keep the faith with my air source heat pump installation
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RE: Jokes and fun posts about heat pumps and renewables
@majordennisbloodnok That’s OK as long as the ‘Terminol...
By Toodles , 1 day ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@aaron All features were in place for the last several ...
By AF1 , 1 day ago
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That is something @bart would need to tell us. I have m...
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RE: To relocate or add extra PV panels..advice required
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RE: I don't need any heating in the summer. How do I turn my Samsung heat pump off?
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By HCas , 2 days ago
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RE: Remaining hot water/hot water flow meter
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RE: I worry I've messed my Samsung settings up somehow
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RE: Forum updates, announcements & issues
@old_scientist thank you, and thank you to @Morgan for ...
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RE: Say hello and introduce yourself
I am a UK based product manager for an energy storage s...
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RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.
That's great and in principle I wouldn't disagree, but ...
By JamesPa , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Mitsubishi 8.5 kW Ecodan Standalone (PUZ-WM85VAA)
By Nell , 3 days ago
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Thanks! That is most useful. I've had a look at the Mid...
By benson , 4 days ago
