Tado learning period

tadouser1000
edited February 19 in Technical Questions
Apologies if this has been answered before, I couldn't find it in search results so here it goes:

How long does Tado initially take to learn the heating properties of a room?

Is this an ongoing process? For example if something has changed the dynamics of how long it takes to heat a room (bleeding radiator, increasing water temperature, flushing system etc) will Tado adjust the heating properties automatically?

Can this be reset on a room by room basis by Tado so it restarts the learning process?

Answers

  • The following was written by @AdamJ on 11th Feb.

    QUOTE

    I emailed tado about this and below is their reply. This is the first I’ve heard about it only being for “very slow systems”. This doesn’t seem to be mentioned in tado’s marketing or support articles...

    Thank you for your message.

    Early Start is intended to compensate very slow systems only, underfloor heating mainly. Radiators are not slow systems. We advise you to disable Early Start for any zone with Smart Radiator Thermostats installed. 

    As a workaround, you can set the time blocks of the Smart Schedule 5-10 minutes earlier and it will do the trick.

    UNQUOTE

  • and by @jimmymc on 12th Feb.

    QUOTE

    Last week I had this message from support to a query on how their learning compares with Nest:

    "We have this feature, its called "early start".

    But I have to warn you, the feature is a little bugged right now. We are probably going to fix the feature in the next 1-2 years."

    Not what I was hoping, but was grateful for the honest answer.

    UNQUOTE

  • @Klaus_Ludwig thank you for your response. I wasn't actually thinking of early start. Tado learns how quickly a room heats up so it knows when to shut the valve to maintain temperature next time. I would love to know if this learning process is ongoing or just at the start of an install.

    I've noticed the valves stay open for longer in my poorly insulated rooms and I get bigger temperature overshoot for these rooms (probably to compensate for extra heat loss)
  • Hi @tadouser1000,

    Tado claim that they use PID algorithms for room temperature control. I assume that these are on their servers. Not all PID algorithms are self tuning. I would be very interested to know if theirs are. It is a total waste of time having any complex heating control algorithms if the temperature monitoring is not accurate in the first place. Having the temperature sensor in the SRT is not ideal and if the SRT is mounted vertically adjacent to the radiator (as opposed to horizontally) you have no chance of the temperature reading being reliable due to the effect of variable radiant heat from the radiator. Perhaps you might ask them if the PID algorithms are continuously self tuning as it is unlikely that anyone else will know for certain...

  • See also this topic.

    https://community.tado.com/nl/discussion/8677/het-maken-van-vroege-start-en-verwarmen-voor-aankomst-2e-discussie
  • Hi @Franita,

    I will respond on your link as my understanding is that OP @tadouser1000 was referring to PID control in general rather than early start.

  • Yes I was referring to PID control. I've disabled early start after bad experiences with the feature
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