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: Dec 3, 2023
Yesterday it stayed below zero all day and was foggy - bad conditions for icing. My usage for the whole day was 52 kWh or which the heat pump accou...
@iancalderbank Thanks Ian for that explanation.I have noticed that in recent days with colder weather and a higher LWT temperature, there is more of a...
Well I have dropped the pump from "PP3" to "PP2" mode - proportional pressure, intermediate curve. I am sure that the flow and return temperatur...
@iancalderbank The manual states minimum flow rate is 12 litres per minute. So it sounds like I don't need the UFH pump on max speed.
Only Delta T, from what I have seen. The "main zone" (which is the only zone, as both UFH and rads are run off the single leaving water zone as far as...
To the best of my knowledge the main pump is inside the indoor unit - it's one of these, incorporating the DHW tank. There's also a pump that supplies...
I have a similar Daikin system and although it seems to accurately show the electricity used, I have my doubts over the accuracy of the heat produced....
Do you mean the external pump? There is a Grundfos pump attached to the UFH manifold which has three lights, indicating that it is running at the high...
Well, having had the heat pump running continually yesterday (on weather compensation, with the house at a comfortable 20-21C downstairs and 19C upsta...
I found the same thing. I got an ASHP installed as part of an extension and more or less total renovation. Despite getting the installer to come and m...
Forgive my ignorance but do you mean a pump that is part of the heat pump unit, or the external central heating pump? I assumed that the water circula...
Latest Posts
-
RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@mars I have been thinking about your questions and obs...
By JamesPa , 46 minutes ago
-
RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 12 hours ago
-
RE: How many people are happy with their ASHP and do you believe them?
Good luck, I spent a couple of hours and, whilst I foun...
By JamesPa , 12 hours ago
-
RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 20 hours ago
-
@editor "The interesting bit is that many modern invert...
By Singlespeed , 21 hours ago
-
RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 22 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
I reached out to MCS directly last week on this and her...
By Mars , 23 hours ago
-
Mentally you have to separate the ac side and the DC si...
By JamesPa , 2 days ago
-
RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 2 days ago
-
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@l2jad I was just thinking all things being equal. Our ...
By AndrewJ , 2 days ago
-
Hi, Does anybody have experience with Heat Geek insta...
By sttpd1917 , 3 days ago
-
I will soon be struggling. Admittedly it is the summer,...
By Batpred , 3 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
Not known yet. I've asked a local Councillor to follo...
By Transparent , 4 days ago
-
Hard to tell but I think I have placed the arrow on wha...
By ASHP-BOBBA , 4 days ago
