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Last seen: Aug 26, 2026
@cathyem1 Did you consider using 2 different companies, solar company for the panels and ASHP for that side. I know there are some companies that do i...
Did this get resolved in the end?
No this is not normal at all, most systems are not clunking like this. I thought (I don't know every brand Inc Grant) when the ASHP switches over the ...
@phoenix15 Hi Phoenix, this is an automaticity differential bypass valve and is often placed to allow surplus flow to short cycle the main system and ...
@old_scientist I see, thats good, so set for a couple Deg above design and you have an over heat stop point. I am sure most manufacturers have somethi...
@old_scientist 35 DegC outdoor air temperature?
if not every thing Ecodan is on you tube
is this what you need?
The weather compensation is a control strategy mainly directed at controlling a capacity step function by using the inverter tech and LEV-EXP devices,...
@alsocold123456 I would have thought it would last a bit longer than that. Its worth checking out, it may have just lost some air pressure, this is so...
This is sad to hear and should not happen, to give you some balance and the perspective from a designer and installers point of view, we all know ther...
Hello, this sound like expansion and low on water pressure, assuming you have a 2 story house you should have a static pressure of around 1 bar, runni...
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Latest Posts
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RE: Who's your electricity provider and what's your tariff?
Yes, makes sense. You've got me worried now! Are you ...
By Old_Scientist , 1 minute ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
My first reaction is that these are prima facie much of...
By JamesPa , 55 minutes ago
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RE: Is it the house or the equipment?
Thanks for that @rob-of-york. The two way split I descr...
By springswood , 2 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If it's a separate contract then it would not be zero r...
By JamesPa , 4 hours ago
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RE: Siting of the external sensor on a heatpump
Of course had the heat source been a heat pump it would...
By JamesPa , 14 hours ago
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Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 15 hours 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 , 17 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 , 2 days ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 2 days 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 , 3 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 , 3 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 , 3 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 3 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 4 days ago



