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
@crimson if what you have told us about the pipework is correct, then the high number (code 9) should match the temperature on the pipe coming from ...
yes 3 bar is 30m but we're not up that high (Fortunately!) 13kw at DT5 = 37l/min. 2200 kh/g (annoying grant units). Mag one graphs, about 0.8 bar = ...
@derek-m leaving aside the efficiency debate which we've done to death. have you ever seen system discussed on here where there a buffer tank thermis...
@jamespa when I read up on this way back, before being convinced that a buffer was totally unnecessary, I was pretty sure I learned that some heat pum...
possible. maybe. but doesn't remove the fact that the mag one is a socking great anchor on the system. This is normal if the hot water tank is al...
@rich congratulations. For doing this, and also on having the confidence in yourself to do this in winter. albeit you did check the forecast 😉
@crimson personally I doubt there is anything wrong with the LLH as a device(as a system design, yes, we discussed that to death). Its a metal cylinde...
the best thing I can suggest is to hire heacol (but says he is vastly overworked and there is only 1 of him after all) the next best thing is to fin...
did they check the flow rate on the primary side as reported on the grant controller, wherever that might be? what was that value? one option to pr...
@crimson I don't know what rating the ASHP circulation pump is but there is clear maths in grant's own spec sheets that says the Mag One will be takin...
@crimson the internal pump may have been turned down also. but the primary side is badly implemented , has low flow, and will never work properly with...
no problem. £500 consultancy fee to myself from your plumber / installer / grant.
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Agreed, @jamespa and @judith. That’s just it. A fair nu...
By Majordennisbloodnok , 7 hours ago
-
RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 9 hours ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
@lizzie Thank you, very interesting and useful informat...
By Toodles , 12 hours ago
-
RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 15 hours ago
-
Readers here please note that Derril Water and many oth...
By Transparent , 16 hours ago
-
RE: Is it the house or the equipment?
- Comfort and silence (for heating) - Heat storage wi...
By bobflux , 17 hours ago
-
RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 17 hours ago
-
RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 17 hours ago
-
RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 18 hours ago
-
Of course, what do you expect, human beings are human b...
By JamesPa , 18 hours 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 , 1 day ago
-
I'm not sure why you would want to make it more difficu...
By JamesPa , 2 days ago
-
RE: Wood burner with ASHP - direct air?
@lucia FWIW installed a woodburner some years ago. ...
By JamesPa , 2 days ago
SPONSORS
