Last seen: May 6, 2023
@allyfish thanks for that. ”This is well known for both Li-Ion and Ni-Cad batteries.” Wish it was. Nothing about charge rate vs temperature in any...
@iancalderbank It's an interesting problem and far from straightforward. The risk reward balance is massively skewed towards not undercharging as that...
@iancalderbank Time-based improved in a software update last year - the one where you could enter the unit costs for the different time periods. Bef...
sorry for any confusion - it was the only reference I could find to charging and temperature! I don’t think you are alone @dunlorn there are two peo...
@dunlorn sorry really don’t know, temperature was just speculation on my part. The way I think it works is that the battery sends info to the invert...
Yes our Mitsubishi let’s us control the heating and hot water separately. That said we probably won’t turn the heating off - it is controlled by a w...
@davesoa don’t blame you. we don’t have gas and were about to need a new boiler and a new oil tank so went the ASHP route. it’s a massive fail by ...
@dandee 😀 Installation was ok. It was the commissioning that was terrible!
Batteries controllers may limit their charging current when they are cold - this could be a factor depending on where your batteries are located. A ...
A bit more... Last summer we ran in self powered mode - once the heat pump isn't heating the battery is plenty big enough to keep us going from day ...
The Powerwall has two modes - Time based control and self powered. Self powered mode will only charge from the sun - in summer that may be the righ...
Our Heat Pump installation went smoothly - 14kW Zubadan ASHP, conversion of HW system to mains pressure, new 250L tank, 18 radiators replaced - took l...
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
