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Last seen: Jun 27, 2025
Remove the llh and the secondary pump, wire the pwm line of the primary pump up to the Samsung controller…. That’s pretty much all there is to it.
@derek-m The carel controller in my ASHP allows me to specify three pump modes: Normal, Demand, Continuous... Normal - pump shuts off when setpoint...
Heat pumps and thermal stores are bad news, really really bad news.... Who designed this system?
Indeed.... And I wasn't too happy that I couldn't see the product before buying it, hence why I went with Cool Energy. I saw them at Installer show an...
Quote attached…
I asked Acond for a quote back at the start of my ashp journey… I nearly fell off my chair when the email came in…
@elton the issue is purely energy costs…. When people say ‘my heat pump doesn’t work’ what they really mean is ‘it costs more than the gas boiler did’...
None of this would matter if electricity wasn’t 3 times the price of gas. Rebalance the energy prices and you can get away with sub optimal installs w...
Alec hit the nail on the head right there I think. Most heat pump controls are a bit pants, or a cryptic to use (that’s why GH is always championing t...
The secondary pump won’t be pwm controlled, I assume? Why do you have a buffer and secondary pump anyway?
That’s a daikin hybrid system which uses an intergas boiler as the gas fired bit. looks like it’s firing at 31 degrees flow temp, which is probably ...
25-27th June at the NEC.
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Degrees of Separation
Latest Posts
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Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 23 minutes ago
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RE: Siting of the external sensor on a heatpump
Our boiler came with the house.. We found all sorts of ...
By Batpred , 41 minutes ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 2 hours ago
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RE: Is it the house or the equipment?
@springswood We have two Daikin single split A2A syst...
By Rob of York , 3 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 1 day ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 1 day ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 2 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 2 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 2 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago
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