Multiple TRVs in one room/zone
As a very early Tado adopter, been using it for years, but never been able to figure out some aspects of its operation - particularly when Tado representatives have supplied bizarre answers that simply do not match what is actually occurring (not the first time, as we all know).
We have several 'zones' that have multiple rads, each with a Tado TRV and some with also a tado room stat, although that makes no difference to the question:-
How do Tado zones with multiple TRVs operate?
A rather broad question, so I'll be more specific.
In the Tado app, you specify one measuring device to use for each 'zone'. Can be either a TRV or a room stat (again, makes no difference). But what does that mean? I initially thought this device was used to measure the temp for that zone and then all the TRVs would be controlled together to attain the set temp. However, this would mean the zone would likely have an uneven temperature (especially if segmented by doors), but Tado assured me this is how it works.
Fact is though, that in any zone with multiple rads (each with TRV), even when the zone is apparently calling for heat, it is possible for one rad within the zone to be full on hot and another cold. Tado just wanted me to believe it's the delay between TRVs being adjusted, but this is demonstrably nonsense as that situation can exist for an hour or more and it is patently obvious that the TRVs must be controlled independently within a single zone - despite 'what Tado says' (our new catchphrase 😀). All TRVs are NOT adjusted simultaneously (allowing for any understandable delay). So how are they controlled?
Has anyone actually determined how this all really works? I'm not sure Tado knows. 🤨