Last seen: Sep 27, 2025
@john-castle Yes that does sound problematic, I very rarely touch 900w and if I do I am wondering what the problem is? Who did your install. There is ...
@heacol , sorry how do I send a pm, I know I ought to know, but I don’t. Thanks.
@heacol , so does that mean you can’t comment?
Hi @john-castle , I’m new here too. I also have a Daikin. It’s the altherma 3 8kw. My system is a little different from yours because I have a mixergy...
@heacol , your footer says you are Director at Heacol & Head of Domestic Heat Pump Design Net Zero British Gas. I don’t know if you can help, chee...
Hi @dreg1 , I’m fairly new to this too. You’ll probably get some really helpful replies. A couple of questions, you referred to a primary circuit, whi...
@jamespa The third priority was a type, it was meant to be flow speed. Which was the whole point I was making. Also I notice you refer to radiators ca...
@jamespa Thanks for that. I think from what you have said that we seem to disagree, if we disagree at all, about the way the system responds in relati...
@toodles , yes you’re right, there are a lot of variables and all of the figures can be plus or minus. I guess both of your heat loss figures would ha...
@jamespa Again, I’m going to have to read this carefully to take it on board. But I absolutely agree about the piping and the radiators. As I said in ...
@jamespa I think I have explained what I have observed. The heat pump hits the target LWT first, then it hits the RWT and finally it hits the flow rat...
@jamespa , I’m having to think about this very carefully, so I need to tackle it in chunks. So this one first. I’m assuming there is a steady state un...
Latest Posts
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RE: Help me keep the faith with my air source heat pump installation
Update: installer contacted Vaillant to have them com...
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@jamespa, I’m semi onboard, but my issue with less disr...
By Mars , 6 hours ago
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Sorry to say this but the is NOT in any way special to ...
By JamesPa , 7 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@cathoderay ...bit cluttered and some missing data for ...
By benson , 8 hours ago
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RE: Renewables & Heat Pumps in the News
Thanks Lucia. I'll set aside some time to go through th...
By Transparent , 12 hours ago
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RE: How to Understand Wiring Up a Heat Pump
@renewables345 you say you are 18 and I’m assuming you ...
By Judith , 14 hours ago
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RE: Do I just go with the lowest quote for my heat pump?
Seems to be settling better now I'll leave it alone
By Jancold , 20 hours ago
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RE: Bosch CS5800i 5kW - Experience So Far
We do like the exhaust air heat pump as a centralised M...
By Steelbadger , 1 day ago
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RE: Solar Thermal DHW and ASHP
@kenbone how is your battery holding up Ken? Still goin...
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Old Samsung R410a unit 9kw, modbused controlled, let Ha...
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RE: Replacement Inverter for old FIT system
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Octopus removed our gas meter for free a couple of year...
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RE: Why Air Release Valves and Deaerators are Non-Negotiable
I think that's a key point. An air-release valve shou...
By Transparent , 2 days ago
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RE: Say hello and introduce yourself
Hello everyone. My partner and I recently had a Bosch C...
By Steelbadger , 2 days ago
