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
-
Which temperature sensor for a Steibel buffer and Ecodan?
My installer configured our Ecodan 14kW system with a 1...
By downfield , 9 hours ago
-
RE: Testing new controls/monitoring for Midea Clone ASHP
Thanks- interesting and useful observations and I did n...
By benson , 11 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
@jamespa yes I guess. But surely not everyone is buying...
By AdamK , 14 hours ago
-
RE: Big Changes Coming to Our Heat Pump System
General Ignorance, the universal enemy in so many ways!
By JamesPa , 15 hours ago
-
RE: Preparing for 2nd winter in new build house.
Yuch! So that's basically just an on/off control. I...
By Transparent , 17 hours ago
-
Good day everyone. I'm new here and have a few question...
By Edin67 , 21 hours ago
-
RE: Boxt Heat Pump Installation Experience
Welcome to the forums. Was there any formal in-person...
By Mars , 23 hours ago
-
RE: Say hello and introduce yourself
@transparent Morning. Just put a lengthy post on the AS...
By sbm74 , 23 hours ago
-
RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
By JamesPa , 1 day ago
-
-
RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 2 days ago
-
RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 2 days ago
-
@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 2 days ago
-
RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 4 days ago
-
@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 4 days ago
-
RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 4 days 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 , 4 days ago
-
RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 5 days ago
-
RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 5 days ago
