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Viessmann Vitodens 200 W with thermostat Vitotrol 200 RF in combination with Vitotrol 300 RF

OliOne Member Posts: 1

I have recently installed the Viessmann Vitodens 200 W with wall thermostat Vitotrol 200 RF. But I can not figure out the codage to combine both thermostats wall thermostat Vitotrol 200 RF & mobile thermostat Vitotrol 300 RF.
Thanks for your help.