How can i see my heating system is modulating properply?

Strijkkeizer

Hi,

I installed a tado v3 system in my house.
However, in Belgium Vaillant doesn't allow opentherm, so i connected tado with the ebus port (the reason why i choose tado).

So is there a way i can be sure that my heating is modulating instead off on/off?

Thanks

Montage

You could sit and watch it. You could monitor flow temperatures.

Care and protect tiles shows a percentage, say 50%. It’ll either run for an hour at 50% or it’ll keep switching off for 30 minutes (total) per hour.

Kissarmy

The simplest way to check would be if the display on the boiler showed the flame modulation level. Some boilers have a flame symbol with 5 small bars beside for the 5 levels of modulation, my 937 has a big bargain for flame modulation level. Check your manual as to what the displayed symbols mean.