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: Jan 14, 2025
@sunandair DT is a phrase used too much in HP discussions, one needs to be clear about between what points the difference is being measured. Its nor...
doesn't matter. check the datasheet 2 posts up. the higher the flowT, the worse the COP. same for any heat pump. also you are talking about loss...
@sunandair if your sketch is accurate, and the DT on both sides is the same, and the flow rate on both sides is the same, then heat energy transfer is...
kwh needed is the only unit that can be calculated or estimated by a system designer. although we've had a lot of debate here about how accurate (or n...
@amanda1 several of us are trying to politely put you on the right track, there is no misogyny here, I think I was quite polite in my previous posts. ...
@amanda1 from what I can see (From a quick read of their manuals), the mitsubishi "freeze stat" configuration is a form of "freeze protection function...
@amanda1 in general there are a few concepts to try to separate and think about "defrost" = the heat pump running in reverse. to defrost itself w...
here's a use case: I've seen the "freeze protection mode" on my (samsung) kick in during a very cold snap night in april, after a mild day. the heatin...
@derek-m mine is the same type of system as tim's. here's snapshot of one of my panels just now (its not sunny). current is more or less the sam...
@amanda1 in general, the purpose of the anti-freeze protection function of the HP is usually for the "AND" situation: "outside air temperature below ...
@allyfish mm ok, there must be something else making it cut out because you should be able to go as hot as the immersions limiter, maybe grant have d...
@allyfish at this time of the year if you have copious PV you can turn the immersion stat up to maximum thereby dump the max amount of free energy int...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 5 hours ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 11 hours ago
-
At the risk of going on: A slight side issue for a foru...
By Bart , 17 hours ago
-
RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 18 hours ago
-
RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 1 day ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
@lizzie Thank you, very interesting and useful informat...
By Toodles , 2 days ago
-
RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 2 days ago
-
Readers here please note that Derril Water and many oth...
By Transparent , 2 days ago
-
RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 2 days ago
-
RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 2 days ago
-
RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 2 days ago
-
RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 2 days ago
-
I'm not sure why you would want to make it more difficu...
By JamesPa , 3 days ago
SPONSORS
