Last seen: Apr 7, 2025
OK, I calculate a flow of about 1.9m3/hr in the secondary circuit. This is the Grundfos web page for the pump data: You said CC3, that gives a ...
Hello. OK, I've plotted your PEX data in the attached spreadsheet. The data shows your PEX is pinched between Prim_in and Sec_Out. That means the ...
Hello, A quick reply, I need to go out but will be back later. You said the plate exchanger was installed non-countercurrent. Please can you post a...
@cathoderay thanks for sharing that data. There's not much numerical analysis I can do with it because I need to know 1 flow. Please let me talk (t...
Ahhhh.... When your system is operating at it's equilibrium point the energy from the heat pump is released into the room by the radiators, but ther...
Right, this carries on from this post (Hopefully I got that right). How can I sanity check the amount of ice accumulating in an 8kW ASHP? I th...
@cathoderay, darn it. I missed your comment about room temperature. I've also worked out your primary system volume, 20L. That's small. You have ...
@transparent Thank you for that suggestion. I had seen that type of unit. They fall under the F-Gas regulations in the UK, because there's a refrige...
@cathoderay thank you for the data. It includes information on the fan speed, that's helpful! The data show's your room temperature is 25C and never...
@cathoderay thank you for sharing the most resent set of data, I'll work through that. Are you able to create a table of numerical data, or can you o...
Evening all, An air to air heat pump system might be a possible solution, but I'm not F-Gas registered so couldn't install one. I'd like to keep co...
@transparent Hello. This will not be covered on any grant scheme, I'll be paying the full cost from own pocket 😉 The garage / workshop is a stand a...
Latest Posts
-
Had another try with the "customer support" of my ev ch...
By Batpred , 7 hours ago
-
RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@batpred Thanks. Well I didn't know the Solis dongle...
By Bash , 7 hours ago
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
They certainly commission their Cosys to work like that...
By AndrewJ , 8 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
@editor Yes BUT that was 3 years ago installed in Janua...
By rob heatpump bob , 9 hours ago
-
Thanks for your response. I have UFH downstairs and ...
By GeorgeA , 10 hours ago
-
RE: Electricity price predictions
I do like the Nesta articles generally, including the p...
By Jeff , 11 hours ago
-
RE: Grant Aerona Short Cycling
Hi, I have a Grant 10kW (nominal 9kW for the UK), whi...
By MikeFl , 12 hours ago
-
-
RE: Home energy storage & battery register
2 days uninterruptible power supply (at the moment) wit...
By Batpred , 12 hours ago
-
RE: Replacing my 18 month old Hitachi Yutaki ASHP
JamesPa I plan to send you a chart tomorrow of todays (...
By trebor12345 , 13 hours ago
-
@trebor12345 Yes, expect defrost cycles to initiate at ...
By IaAck , 14 hours ago
-
I would probably have them in white as that would match...
By Grantmethestrength , 14 hours ago
-
RE: Hitachi Yutaki SCombi Heat Pump - Owners
@sim0n0 Sorry to hear that. Putting the past aside w...
By JamesPa , 15 hours ago
-
RE: MelCloud "Mixing tank temperature"
This post, on my 'diary' thread, might be of interest i...
By Sheriff Fatman , 15 hours ago
-
RE: 10kw heat pump run in 24*7 data?
UPDATE: Very happy wife, since 24*7 I've actually had t...
By jeegnesh , 15 hours ago
-
RE: Heat Pump Training vs. Real-World Installation
Thank you for doing that, @editor, and for writing this...
By Majordennisbloodnok , 17 hours ago
-
RE: Which 6kw to 8kw ASHP can modulate down the lowest ?
@editor the easiest way to find out is to look at the d...
By Damon Blakemore , 1 day ago
-
RE: Battery with existing PV - regulations
I am curious... which inverter would you go with for so...
By Batpred , 1 day ago
