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Last seen: Jan 29, 2026
I found this schematic in the Midea engineering data document. The basics design can viewed as consists of four parts: 1. A compressor, condenser, f...
When the heat pump starts from cold the LWT and RWT are both low, therefore it does not have to produce very high temperature output. I’ve included th...
I would have thought that in the context posted it was obviously the power shown on the graphs rather than the surrounding summary data that I was dis...
Well, I beg to differ. The important thing is to understand how code is designed. It seems to me the COP is irrelevant once the compressor stops but t...
There is a setting for how long after the DHW reaches the required temperature to run the pump (defaults to 5 minutes but can be read). The DHW temper...
I posted some photos of the minute by minute ASHP circuit power readings during the startup of the heating a few days ago. I doubt it is very helpful ...
One day we won’t be able to have electric motors, transformers or anything that causes a problem. We will probably have to have our own storage and on...
@transparent Using the billing information of 1.32kWh this morning when the 5kW inverter switches to battery charging at 00:45 and with an assumed b...
Yesterday the electrician completed the distribution board (consumer unit) upgrade started by having solar+batteries and Zappi EV charger installed at...
I had all my 22 rads replaced with mostly triples and a few double. I see P1 rads listed above. My Midea 12kW ASHP mostly runs at 40c leaving as the t...
@transparent, I agreed the time of GO with the installer and we then inset it 15 minutes. I know from billing that the timing is accurate. I have a...
@transparent My installer has set the system to charge during a window from 00:45 to 4:15. Everything runs from the grid in that period even if the ba...
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RE: Indevolt Batteries UK Support & Info Thread
Thanks @editor , @indevolt-uk Subject to any comments ...
By JamesPa , 7 hours ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
@seoras Sorry to hear that. I found Vaillant very help...
By JamesPa , 8 hours ago
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The Watchdog That Watched and Waited
On 9 January 2026, Consumer Energy Solutions collapsed ...
By Mars , 11 hours ago
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RE: GSHP Kaput After 16 Years: New Compressor or Switch to ASHP? Advice Welcome
Cool Energy in Grimsby sell ground source heat pumps an...
By DerekDeLeon , 12 hours ago
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RE: Valliant Heat Pump Settings
Thats arguably a sign of a good installer - they unders...
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RE: Electricity price predictions
Well, we have so many cases where rain water mixes with...
By Batpred , 14 hours ago
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RE: Two heating zones to one zone
@profzarkov They arent obviously wrong, but the only...
By JamesPa , 16 hours ago
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RE: Towns water feed to air source heat pump system
The DHW circuit cant be separated (well it could, you c...
By JamesPa , 16 hours ago
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Solis AC-coupled 3kW storage inverter
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By MartinRobinson , 22 hours ago
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RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer
As @transparent has observed above, this is not bad, an...
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As I was reading this article Mars, I was thinking that...
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RE: Tell us about your Solar (PV) setup
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RE: Say hello and introduce yourself
That doesn't sound 'right' to me. The national Smart ...
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RE: Growatt battery disconnected
I doubt this will happen, but I will try and suggest it...
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Understood. That's why I decided from the outset on a ...
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
On the litigation, I would not go there and definitely ...
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RE: Recommended home battery inverters + regulatory matters - help requested
I suppose if your pv inverter packs up, you have a plan...
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Firstly check you are using sound power not sound press...
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That’s the solar up and running, I don’t think it’s the...
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Im trying me best to ignore orangeman, I figur...
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@toodles That’s way better per kWp performance than our...
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