Last seen: May 14, 2025
@editor Confirmed. Just got the notification for this mention. Thanks 😀
@crimson A = Secondary circulation pump B = Magnetic filter C = Low Loss Header D = Flow Regulator? E = Diverter Valve? The question ...
The problem with looking at the flow and return temps on the controller is that they are constantly changing, so it might look good at one moment (and...
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 ...
Latest Posts
-
RE: Getting the best out of a heat pump - is Homely a possible answer?
@cathoderay how did you get a script to run for that- d...
By benson , 1 hour ago
-
RE: Surface mount or bury primaries for heat pump installation?
@tomasmcguinness bold choice on the Kronoterm. Nice! Wi...
By Mars , 7 hours ago
-
RE: Renewable Heating Hub Homeowners' Q&A Podcast
@ashp-bobba thank you, and equally so, thank you for ta...
By Mars , 1 day ago
-
@judith good to know… I’ll continue to feed Wattson, an...
By Mars , 2 days ago
-
RE: Vaillant AroTherm Plus 7kW
@jamespa I have a hydronic baseboard heater in the kitc...
By Scalextrix , 2 days ago
-
RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
@editor great article re accreditation. I note ISO/IEC ...
By Bart , 2 days ago
-
RE: Renewables & Heat Pumps in the News
Here’s a little more technical detail/p>
By Judith , 3 days ago
-
RE: Who's your electricity provider and what's your tariff?
I don't (yet), but my PW3 is due to be installed shortl...
By Old_Scientist , 3 days ago
-
RE: MCS and NAPIT complaints process
@chrislay, is your heat pump complaint still unresolved...
By Mars , 3 days ago
-
RE: ASHP Install from hell - help please
@saf1973 I’ve been going through old cases on the forum...
By Mars , 3 days ago
-
RE: RDSAP10 effect on existing heat pump EPC rating?
@aaron There's the rub, the database does not list my ...
By AF1 , 4 days ago
-
RE: Commencing on an ASHP Installation Process
Yes, it's "doable" if everything goes to plan, they arr...
By Old_Scientist , 5 days ago
-
RE: How not to install a heat pump
You are right. Thinking on this has evolved over the p...
By JamesPa , 6 days ago
-
RE: DHW SET UP with Samsung gen 5
Thats good news indeed, you are very likely almost ther...
By JamesPa , 6 days ago
-
RE: Plate heat exchanger considerations
As far as I can tell my vented system would have a peak...
By Scalextrix , 6 days ago
-
RE: Air Changes per Hour - ACH and the MCS requirement
There have been a few discussions dotted around (e.g. I...
By Declan90 , 6 days ago
