Last seen: Sep 19, 2024
This is one of the aspects of digital control systems. If we, as humans, were given the task of performing the WL function, we would measure the OAT...
@cathoderay I think that you have covered the topic quite clearly, with the primary determining factors being the temperature difference between ind...
@cathoderay Would you be happy with simulator?
@cathoderay I don't disagree with most that you state. To me a model should be created using real World data and then tested against a working sys...
Could you please reply in 'English'. So you assumed a constant COP of 4 and a temperature drop of 5C? Did you remove your spreadsheet, I don't app...
I am looking to model the possible energy usage during different hours of the day under different operating conditions, you should then be able to cal...
Are you assuming a constant COP of 4 and an indoor temperature drop of 5C over a 4.5 hour period? Please clarify.
@cathoderay Physical testing should be carried out whenever possible, both for peace of mind and also to help validate the accuracy of any models. ...
@jamespa Thank you for the vote of confidence, but as I feel certain that you realise by now, it is still a 'job in progress'. Having discussed vari...
@jamespa I'm afraid that I cannot see how the heat pump could be supplying 5.86kW to the heat emitters rather than the previous 4kW, without working...
@jamespa Using FCU or a A2A heat pump should be more efficient during a morning temperature recovery, since they heat the indoor air directly, rathe...
Latest Posts
-
RE: Big Changes Coming to Our Heat Pump System
@editor your engineer's attitude is truly horrifying. ...
By GrahamF , 8 hours ago
-
@cliffhanger - seriously though, I have no idea. What I...
By cathodeRay , 10 hours ago
-
RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 11 hours ago
-
@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 12 hours ago
-
RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 16 hours ago
-
RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 18 hours ago
-
RE: Testing new controls/monitoring for Midea Clone ASHP
I've never physically seen it, but I seem to recall som...
By cathodeRay , 18 hours ago
-
@jamespa Ours is a Daikin EDLA03 8 kW and the Delta T =...
By Toodles , 19 hours ago
-
RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 1 day ago
-
RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 1 day ago
-
RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 2 days ago
-
RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 2 days ago
-
Ok. Two schools of thought. The first is to run the ...
By JamesPa , 2 days ago
-
@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 2 days ago
-
Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 3 days ago
-
RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 3 days ago
-
RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 4 days ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 4 days ago
-
RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 5 days ago
