Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Mar 13, 2024
@jamespa External box in brown is the LLH (heat exchanger is inside the main Altherma internal unit above, the upper brown box); cycles on/off time - ...
Thanks James. I'd come to the same conclusion about the effective system volume as the radiators are likely to be largely closed when the house is sit...
I think the estimated energy usage is way off. The calculations show 19,000kWh/yr but even with two EVs doing nearly 20,000 miles between them, we onl...
Thanks James, TLAs are the way of the world these days! It's cycling a lot at outside air temperatures of between 8 and 15C, less so at 7C or less. Do...
@jamespa Thanks. Apologies, I've no idea what "oat" is. Assuming it's something to do with temperature, I have it set to target 38C, and it's aiming f...
Ok, finally the problem has been solved!! It seems the original problem was a faulty pressure sensor or pressure control board, causing the system t...
Thanks Alastair! It's looking hopeful now. It's basically been about 30-50% below COP since day 1, yet we're still seeing about COP=3 at the moment,...
Daikin have been out today and have diagnosed either a faulty pressure sensor or a constriction on the pipe, since the pressure reading that gives the...
And overnight the unit failed with an overtemperature on the sensor on the outlet from the compressor... looks like a misbehaving valve which isn't th...
Had the engineer visit today and he can't find a cause for the problem. No loss of refrigerant, and he's confirmed the hissing sound isn't normal. Al...
Thanks Bob. I'm just using figures from the front panel screen, nothing special. It doesn't say anywhere about the energy out details, but I'm pretty...
SPONSORS
Degrees of Separation
Latest Posts
-
Have you considered keeping your FF boiler and suppleme...
By Old_Scientist , 3 minutes ago
-
RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 2 hours ago
-
RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 2 hours ago
-
RE: Wood burner with ASHP - direct air?
For what it's worth I installed a wood burner in this o...
By BlizzardGreen , 3 hours ago
-
@editor Thanks for your response and recommendations. ...
By DavidB , 10 hours ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 23 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 4 days ago
-
RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 4 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 4 days ago
-
I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 6 days ago
SPONSORS
