Hi, I wonder if I can get some advice. I'm trying to find the way of convneting my 2 zone heating controlled by 2 nest thermostats via heatlink connected to viesmann vitodends 100 system boiler. Everything is working well so far, but I would like to knwo whether it is possible to use opentherm feature for 2 zone system. My boiler has got opentherm feature as well as heatlinks, but boiler ha sonly got one opentherm output and I got two heatlinks, so I don't knwo if this will even work?
I got feedback from my friend who use this feature and their gas usage has dropped significanlty. May I have any advice on this please?
Thanks
Opentherm for 2 zone heating and Nest thermostats control
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Razor
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Opentherm for 2 zone heating and Nest thermostats control
Nest won't do two zones over OT. You'd need a Honeywell T6R or EPH controls for this.
The good news is that the Veissmann plays really well with weather compensation which will modify the flow temp on the fly based on outside temps so all is not lost..
The good news is that the Veissmann plays really well with weather compensation which will modify the flow temp on the fly based on outside temps so all is not lost..
I think I'll take two chickens...