Last seen: Mar 2, 2025
Thanks again Derek. So these are what is referred to as Flow and return temps? Should they be that close? Will it affect efficiency if they are?
@kev-m it did indeed. It really shouldn't be this difficult.
A quick update on my system. I'm running at a COP of around 3.3-3.4 at around 3 degrees outside temp including water heating for an hour at midnigh...
I'm back now and having checked the energy use it seemed to run for longer and use more energy on #3 on all three settings although this could be down...
@derek-m okay, thanks.
@derek-m I've just read this article on this site They mention WC not working as the indoor temp sensor is in the warm room, like mine is ...
@derek-m I had also noticed the reduction in pump speed. It also dropped to 45 when we turned of WC a few days ago. What KW we were using is a litt...
So I'm now set on 2091, 2 and 3 at #3 I'll report back tomorrow to see how that affects run time etc.
@derek-m so, I've been away for around 24 hours. System is running for around 20 hours a day according to operation time on the wired remote. COP of 3...
@derek-m it's okay, I was being impatient. It's hitting the temps fine I believe. I'm out for the night so I'll check again tomorrow. Thanks
@derek-m thanks, I'll check that tomorrow.
Latest Posts
-
just trying to roughly get an idea what price an instal...
By AdamK , 2 hours ago
-
RE: Help with understanding my Mitsubishi Ecodan air source heat pump
Welcome to the forum@patch and well done for your under...
By Judith , 6 hours ago
-
RE: Air Source Heat Pump - Side Alley Suitability
@jamespa I used an assumed indoor temperature of 18C. I...
By Ad3628 , 8 hours ago
-
RE: ASHP Ecodan L9 error - No Heating but Hot Water
That’s interesting, but obviously concerning also…. Do ...
By SUNandAIR , 9 hours ago
-
RE: In the middle of an ASHP installation - a few questions (and issues)
Thank you @robs - that very useful data. The issue wa...
By Transparent , 12 hours ago
-
RE: The Rise and Fall of Europe’s Most Generous Green Subsidy
@editor Attached images of external insulation. Think...
By Dwynwen , 18 hours ago
-
RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
@trebor12345 The Auto function is supposed to adapt au...
By Heatgeek , 1 day ago
-
RE: The Great British Heat Pump Quiz
@allyfish thanks for the feedback and glad it was fun! ...
By Mars , 2 days ago
-
RE: help sizing rads based on room by room heat loss
If its 1988W at DT 50, which is how most radiators are ...
By JamesPa , 2 days ago
-
RE: Career change – entering the world of heating and heat pumps
@editor Mars, thank you. That's along the routes I was ...
By Lakey , 2 days ago
-
@editor thanks Mars, it's a rare occasion I'm looking f...
By big_si , 2 days ago
-
RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW
@ashp-bobba and @jamespa - thank you both for all your ...
By CBrenewable , 2 days ago
-
-
Win one of five "Heat Pumps 101" Courses
Heat pumps are gaining traction in the UK, but between ...
By Mars , 3 days ago
-
RE: Agile: average import cost vs other tariffs?
@toodles thanks for the analysis. I'll be really intere...
By Old_Scientist , 3 days ago
-
RE: Is this normal? Click of the DHW returning to space heating
@grantmethestrength Oh sorry to hear that, there should...
By ASHP-BOBBA , 3 days ago
-
@ashp-bobba TBH the ladies are rather disorganised, so ...
By Cathyem1 , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
And for those of us without an automatic irrigation sys...
By Majordennisbloodnok , 3 days ago
-
Logically, the lower frequency = more gentle, yes, but ...
By SUNandAIR , 4 days ago
