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Upgrading LG Therma V Controller

Air Source Heat Pumps (ASHPs)

Last Post by Tim441 1 year ago

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Tim441

(@tim441)

Honorable Member Contributor

Joined: 4 years ago

Posts: 460

Topic starter 24/02/2025 8:12 am [#2140]

I have an older LG Therma V. Installed 2020. Model: HM161M U33
Controller software: 3.05.5a

Trying to establish if the software has an upgrade route. Later software has improved displays of weather compensation, efficiency etc.

Slightly different question... what if the Controller is updated to a modern one?
Will it work?
Will it benefit from all functions?
Any downside to trying (apart from cost!)
E.g using a Controller AKB74855319
With software 3.06.xx

I saw this video regarding updates of LG AirCon PREMTB100. Controller appears to be same physically with different software?
Software updates are done with a MicroSD card.
I note ThermaV Controller has the same MicroSD slot.

Needs installer or someone with good contacts at LG to clarify whether an upgrade is possible on ThermaV of whether a physical replacement of new Controller is an upgrade route?

https://m.youtube.com/watch?v=K6-Z2yyweCU&pp=ygULTGcgdGhlcm1hIHY%3D

This website information appears to confirm upgrade IS possible. Clearly need to have a route to LG support to get the upgrade

https://hwdigital.net/article/how-to-update-lg-rs3-wall-remote-for-awhp-and-ac

Listed Grade 2 building with large modern extension.
LG Therma V 16kw ASHP
Underfloor heating + Rads
8.7kw pv solar
3 x 8.2kw GivEnergy batteries
1 x GivEnergy Gen1 hybrid 5.0kw inverter
Manual changeover EPS
MG4 EV

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