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: Mar 23, 2026
Same here - no notifications so far today. I did receive a notification around 15:00 yesterday, so it doesn't seem to coincide with the upgrade.
- can you clarify what this mean, please? Did you move into a property with the ASHP already installed (under a previous owner) or did you have the AS...
@derek-m @iancalderbank In the Grant/Chofu docs it's referred to as 'defrost temperature', so that's what Ive labelled it. I'm guessing it's a tempera...
Those valves you show are either open or closed - there's no 'partially open' option. They should be in the 'auto' position (far right) but they have ...
I've noticed three types of Defrost Cycle (or at least their impacts on performance) which are all nicely shown in today's data. Overnight it was...
Last Sunday, it was average -1.3C and very damp, so was in "defrost hell" which is every 40ish mins for a Grant: yesterday, it was +1.3C and dry, ...
There's also a parameter (41 22 I think) which controls how long the system pump runs after the compressor is off. I don't think this can run to hours...
@dannymoss23 Yes - Constant Curve is Constant Speed (constant speed is a poor name, but you can see why it is that). Proportional Pressure is NOT reco...
Hi - two things I've found reduced the 'flow noise' I was getting, might help you too: 1. Check for trapped air in your system i.e. bleed rads, and ...
43 13 = "Backup heater set point during Frost protection" which I guess means that if you have a backup heater, that's when it will start to help with...
I'm close enough to the pump to hear it running, but the compressor isn't on, just the pump. And it ties in with the outdoor temp being between 3C and...
I've just checked on my controller and Frost Protection symbol isn't on, even though Frost Protection is running. The explanation of all of the symbol...
Latest Posts
-
RE: GivEnergy inverter tripping due to over-voltage?
That's useful information @tim441 I would like to be ...
By Transparent , 53 minutes ago
-
RE: Cooling with air to water heat pumps
Very sensible Unfortunately I fear that's too simple...
By JamesPa , 1 hour ago
-
Nobody will, that's the point of this thread, the heat ...
By JamesPa , 3 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Good morning. I just came across your website. Was ho...
By iRadiate , 7 hours ago
-
RE: Failed Heat Pump Install: IWA Claim Rejected
Many of the estimates we received mention IWA and RECC....
By Batpred , 18 hours ago
-
RE: Rural burning – I've had enough
Same here in Finland. It's strictly forbidden ...
By upnorthandpersonal , 18 hours ago
-
RE: Renewables & Heat Pumps in the News
Something worth flagging... we've just published a news...
By Mars , 18 hours ago
-
RE: Renewable Heating Hub Homeowners' Q&A Podcast
The Homeowners' Q&A podcast is back... I've changed...
By Mars , 19 hours ago
-
RE: Anyone concerned about GivEnergy?
I have already signed up with Axle so yes, that takes c...
By KevH , 20 hours ago
-
@batpred Would it pass the airbnb feedback test no. I...
By EtchedPixels , 1 day ago
-
A quick update... we've just launched the beta version ...
By Mars , 2 days ago
-
RE: Who Actually Owns a Heat Pump in Britain? We Asked. Here Is What We Found.
The age part doesn't surprise me - only 25% of UK home ...
By EtchedPixels , 2 days ago
-
RE: Home automation and the cloud; is there a better way?
Nothing you've said there, @etchedpixels, is something ...
By Majordennisbloodnok , 2 days ago
-
I've heard from others living in the vicinity of Derril...
By Transparent , 2 days ago
