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.
Latest Posts
-
RE: Jokes and fun posts about heat pumps and renewables
Post by @karl-r on social media earlier today.
By Mars , 4 minutes ago
-
-
RE: Solar panels on side of house to heat water
@paultheheating We are looking into PV panels at the...
By Batpred , 2 hours ago
-
@jamespa They are indeed mysterious devices!!! I have o...
By Toodles , 4 hours ago
-
RE: Heat Pump Training vs. Real-World Installation
Congratulations on passing the course. The observation...
By Max Abbey , 5 hours ago
-
RE: Hitachi Yutaki SCombi Heat Pump - Owners
@sim0n0 Here's a reply to help you out. As a owner ...
By trebor12345 , 7 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
The engineer came yesterday and as the rooms were ok te...
By AdamK , 7 hours ago
-
RE: Replacing my 18 month old Hitachi Yutaki ASHP
@jamespa Can I check something that I done some weeks a...
By trebor12345 , 8 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
The problem I see with A2A (and I'm interested if there...
By Temperature_Gradient , 9 hours ago
-
RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
@temperature_gradient I specifically explained to my po...
By Toodles , 9 hours ago
-
RE: Grant Aerona Short Cycling
@damonc I was refering to the 'standard' energy sticker...
By MikeFl , 12 hours ago
-
RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
@hcas where do I find Havenwise Support? On...
By Morgan , 13 hours ago
-
RE: Should Our Water Circulation Pump Be Configured to Run All The Time?
We recently (Aug 25) had a Grant Aeorana 3 installed un...
By GA3_USR , 18 hours ago
-
RE: Grant Aerona circulation/system pump staying on
My AERONA 3 circulation pump runs constantly whatever t...
By damonc , 1 day ago
-
RE: Configuring third party dongle for Ecodan local control
Thanks, @sheriff-fatman. Happy for you to search any po...
By Majordennisbloodnok , 1 day ago
-
Thanks, @cathoderay. I was aware of some changes to ...
By Majordennisbloodnok , 1 day ago
-
RE: Trying to understand my Nibe F1245
@greenlight Many thanks for the information, it's set m...
By Chris12 , 2 days ago
-
This is what I answered, I really have no hope: "......
By Batpred , 2 days ago
-
