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Last seen: Aug 13, 2025
Its the flow temperature for the heating circuit, it means its running a fixed flow temp and is not on weather compensation, get that changed come the...
@m1kegibson Apologies if I'm teaching grandma to suck eggs but have you confirmed the max temp drop in the controller is set to 10C? To do that you h...
Hi it’s 6 years old first issue it’s ever had.The sensor is cheap £33 it’s the HVAC engineer cost £305 plus VAT
£400 later and it’s fixed it was the T3 sensor that measures the condensed refrigerant temp it should read single figures was reading 65C and occasion...
@editor thanks Mars that’s the same table I found in the service manual it’s does feel like it’s the sensor that’s at fault. When it stopped it was r...
@editor I found some info in the service manual it could be a bad condensing temperature or pressure sensor. It shuts down the heat pump if condensi...
@editor thanks Mars just waiting for support to open at 8am
Thanks it doesn’t provide anymore info just says UD-0
Where is the heat pump controller going that will be the thermostat it just needs to be in a sensible location. If you are running weather comp the ...
@robs Thanks that's what I suspected mine definitely doesn't have it.
@carpenterstation because heat pumps are built by engineers and have not been historically developed for the average human to be able to operate, henc...
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Latest Posts
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Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Hi All, a friend had a Nibe F2040-12 12Kw heatpump in...
By StuChi , 1 hour ago
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RE: Siting of the external sensor on a heatpump
My heat pump receives sunlight, so when the fan is not ...
By bobflux , 2 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 , 18 hours 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 , 22 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 24 hours 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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Sorry to hear about the problems, its going to be somet...
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


