Last seen: May 22, 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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By Old_Scientist , 2 hours ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
@johnmo This is not really an adequate response....
By ecodan-efficiency , 6 hours ago
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RE: Nibe F2040 periodic warm water increase fails
No worries, thanks a lot for thinking along 🙂
By tribol , 9 hours ago
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RE: Load Compensation and Weather Compensation
Still not quite. As I read this the body adjusts for f...
By JamesPa , 12 hours ago
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RE: Vaillant & OVO partner up to offer Heat Pump Plus
@ecodan-efficiency On the other hand, the fact that the...
By Richard24738 , 20 hours ago
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RE: How accurate was your heat loss survey?
@scalextrix for our house 1950s detached the air leakag...
By Judith , 22 hours ago
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RE: Air Changes per Hour - ACH and the MCS requirement
@matwin If you plan to commission one it might b...
By JamesPa , 1 day ago
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RE: Jokes and fun posts about heat pumps and renewables
In a similar vein, this recent spell of sustained good ...
By Majordennisbloodnok , 2 days ago
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RE: Home energy storage & battery register
By the end of next month... 8 kW PV + Tesla Powerwall...
By Algienon , 2 days ago
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RE: Various different approaches to battery storage.
I thought I'd share my story/journey and experiences he...
By Old_Scientist , 2 days ago
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RE: Commencing on an ASHP Installation Process
It varies by room, but the conservatory is assumed at 2...
By Sheriff Fatman , 2 days ago
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RE: Renewables & Heat Pumps in the News
Here on the Forum we're going to need to be increasingl...
By Transparent , 3 days ago
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What I Wish I Knew Before Installing a Heat Pump
I’m putting together the next Homeowners Q&A episod...
By Mars , 3 days ago
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RE: Planning Update: 1 Metre Boundary Rule for Heat Pumps Has Been Scrapped
In Scotland they still follow the MCS rules, so the noi...
By Johnmo , 3 days ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@johnmo and @benson Thanks! I was aware there was a p...
By MarcT , 3 days ago
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RE: Is your heat pump insured?
My insurer just asks the question: "Is your home heated...
By AndrewJ , 4 days ago
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RE: Say hello and introduce yourself
@cathoderay Ah yes, that’s the name! The Heat Pimp, It’...
By Toodles , 4 days ago
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By the way, I also think our industry need to get on bo...
By ASHP-BOBBA , 6 days ago
