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Last seen: Jun 27, 2025
Have you had a chance to look at hydraulic diagram 6.1.1 in the thermal store manual? The thermal store is not part of the CH loop at all, it’s sole p...
Awesome, that should see a real benefit in performance. Are you running on just the internal midea pump or do you still have ‘Pump-O’ wired up and run...
Absolutely... Use the room stats as hi-limit stats only, set them a couple of degrees above what you find comfortable. Then adjust the weather compens...
Provided the system is plumbed as per 6.1.1 then it works as follows: When in DHW mode, the hot working fluid travels from the ASHP to 3 port valve ...
@marzipan71 Wow, that's quite the complex beast isn't it. Two F-Gas circuits, an r410a to r134a heat exchanger and another compressor inside the indoo...
Plumbing schematic for this system is figure 6.1.1 for anyone who's interested.
User manual for the 500Ltr solar thermal compatible TS is attached. Interesting bit of kit, not sure how well suited it is for a ASHP install because ...
I assume, from the picture, that the 500ltr TS has a coil for generating your DHW in it (with what appears to be 29 ltrs capacity)? If so, you're goin...
Absolutely you can run the mixed UFH circuit at a different (albeit always lower) temp than the unmixed circuit. The blending valve that you can see i...
For the benefit of the tape, the way your system is setup @marzipan71 is that you have a mixed (for ufh) and an unmixed pump group, connected to a hor...
I should have clarified, an ASHP install with a single emitter type (rads or ufh) would not require a separate weather comp’d mixer. With different ...
you wouldn’t need a weather compensated mixing valve in an ashp install as the ashp already has weather compensation. This is for the edge case wher...
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Latest Posts
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RE: Heat pump installation quotations
That will be absolutely murdering your energy efficienc...
By EtchedPixels , 7 hours ago
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RE: Harvest Thermal - ASHP with a smart thermal battery
The cooling side works much better if you can figure ou...
By EtchedPixels , 7 hours ago
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Floor standing brackets for K3 rads
My neighbour is a plumber and said I would need to fit ...
By Singlespeed , 8 hours ago
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After an intense recode, I’m pleased to announce that w...
By Mars , 8 hours ago
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Why do you want to maintain a specific deltaT? The out...
By JamesPa , 10 hours ago
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Hopefully this will answer your question. To...
By ASHP-BOBBA , 10 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 10 hours ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 12 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 12 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
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RE: Indevolt Batteries UK Support & Info Thread
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
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