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Last seen: Jan 7, 2026
csn you post the pictures again, but just have flow temperature and return temperature showing. this is the important temp in the primary flow snd ...
I’d also listen to James, he gives good advice. i didn’t mean to concern you, and I’ve seen the 14kw zubadan modulate quite low on heat pump monitor...
@sandman1600 if your house is 130m2 and you have a 14kw mitshi machine....... I would be staggered if it wasn't oversized. that's 107w/m2. that's a re...
@sandman1600 Hi, this is all tricky. One thing I wold say is to give the house time. When running the heating very low and slow, it can take...
@gary yeah, more than that. about 1000-1200w, ive never really seen it go below that. and that's with the compressor bumbling around 30hz,
@gary 11.2kw for 260m2 house. its tight on the heat loss at the cold end, but in mild and a bit cold weather, works well
@gary i can see a blending valve on the manifold though. Whats that set too? and here is my floor ticking over at 27ish degrees
@sandman1600 you've got a 14kw in a 130m2 well insulated house. I think you might be oversized there too. I've an 11.2 KW heat pump in 260m2 average ...
@sunandair This is about as good as I can do
@sunandair sure, happy to make a sketch. I think I have done one somewhere but I’ll try to do a prettier one. I think my system is working generall...
@sunandair my graphs look similar on my ecodan. And when you make it 2 defrost and hour...... you can see how they struggle
@jamespa Hi James, on this topic: you've given good advice to me in the past and I'm working through things with my heat pump set up with th...
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 4 hours ago
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@kilgorexv, I actually think doing your own calculation...
By Mars , 4 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 18 hours ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 1 day ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 5 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 5 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
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