Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
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...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@l8again I can only comment that when I had the MCS fol...
By Toodles , 7 minutes ago
-
RE: Electricity price predictions
@papahuhu Groucho Marx had something to say about no...
By Toodles , 34 minutes ago
-
RE: Samsung heat pump - data cable issue
So are Samsung refusing a warranty replacement on the b...
By Old_Scientist , 1 hour ago
-
Given the way radiation and convection effects don't wo...
By Majordennisbloodnok , 3 hours ago
-
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
By swwils , 6 hours ago
-
RE: Vaillant Arotherm Pro vs new Plus
One of the test modes in the installer menu forces it t...
By JamesPa , 19 hours ago
-
RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 22 hours ago
-
RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
By Mars , 23 hours ago
-
Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
By Mars , 23 hours ago
-
-
RE: Indevolt Batteries UK Support & Info Thread
It depends on how you configure it via the app. The ma...
By JamesPa , 1 day ago
-
RE: Renewables & Heat Pumps in the News
Be interesting if this results in any wider changes to ...
By Jeff , 2 days ago
SPONSORS
