V1 Temperature overshooting

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datadoc2003
datadoc2003 ✭
in General Questions & Topics
Hi. This problem only seems to have appeared this winter. I have a combi boiler which supports open therm and 2 zones controlled by wired thermostats. Previously you would seen the demand cycle so it gradually reaches target and not overshoot by much then cycle just to keep it at target. Now it seems it works more like a traditional thermostat on start up and overshoots 1.5-2C. Been to support and they just told be to turn the flow temp down. It was already only 60C. I suspect either something is not working server end or switched something off cos my system is 10 years old

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  • johnnyp78
    johnnyp78 ✭✭✭
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    You won’t be using Opentherm if you have heating zones. Sounds like Tado might have changed an algorithm but I’m afraid it’s down to them to tell you.

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