Last seen: Apr 28, 2023
Derek thanks for taking the time to reply. Basically Detla T has no real effect. The biggest influence is LWT water temperature. I've reset everythi...
@derek-m the LWT is 32 whilst the return is 29 ( 1 Deg difference from original delta T5). As the additional 1oC is on the return (originally 5) I'm ...
I only checked the leaving water temperature (from Samsung display). When it runs again tomorrow I'll have a look at the difference between the 2. I...
Derek, so if the pump is at a fixed speed, WC has been set 30-40 (both before and after delta T change),delta T reduced from 5 to 3, then the flow tem...
just to confirm: Settings originally Delta T 5oC changed to Detla T 3oC. As far as I can tell it changed the compressor, as the noise of the pump chan...
@bontwoody the heat pump came with the house from new. How on earth do you confirm if it's been oversized, Do I have anyway of rectifying this with th...
Ps large spike @ 1pm.ish is toaster being switched on for lunch. Either side of this is mostly heat pump consumption. You can see the difference befor...
Ps large spike @ 1pm.ish is toaster being switched on for lunch. Either side of this is mostly heat pump consumption. You can see the difference befor...
- 22 Forums
- 2,038 Topics
- 44.4 K Posts
- 31 Online
- 3,252 Members
Join Us!
Trusted Installers
Struggling to find a reliable heat pump installer? A poor installation can lead to inefficiencies and high running costs. We now connect homeowners with top-rated installers who deliver quality work and excellent service.
✅ Verified, trusted & experienced installers
✅ Nationwide coverage expanding
✅ Special offers available
Latest Posts
-
RE: Help with understanding my Mitsubishi Ecodan air source heat pump
It is taken from the website MEL Pump App
By Patch , 3 hours ago
-
RE: Getting the best out of a heat pump - is Homely a possible answer?
Not the first time I've heard this... it sounds like th...
By Mars , 3 hours ago
-
RE: The Rise and Fall of Europe’s Most Generous Green Subsidy
This is where the cold water storage tank was situated;...
By Dwynwen , 12 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
I agree with @mars. My install was not dissimilar. ...
By JamesPa , 13 hours ago
-
RE: Air Source Heat Pump - Side Alley Suitability
Thats probably fair enough. The degree-days calculatio...
By JamesPa , 13 hours ago
-
RE: ASHP Ecodan L9 error - No Heating but Hot Water
That’s interesting, but obviously concerning also…. Do ...
By SUNandAIR , 1 day 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 , 1 day ago
-
RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
@trebor12345 The Auto function is supposed to adapt au...
By Heatgeek , 2 days 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 , 3 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 , 3 days ago
-
@editor thanks Mars, it's a rare occasion I'm looking f...
By big_si , 3 days ago
-
RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW
@ashp-bobba and @jamespa - thank you both for all your ...
By CBrenewable , 3 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 , 4 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 , 4 days ago
-
@ashp-bobba TBH the ladies are rather disorganised, so ...
By Cathyem1 , 4 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
And for those of us without an automatic irrigation sys...
By Majordennisbloodnok , 4 days ago