Switch DIP switcher # 1 SRT321 thermostat to position ON.
Turn the thermostat to the letter “A”, press and the “A” starts flashing.
The actuator must be red LED off. Press the lower button >||< and the thermostat will display “AP”, this is a sign that the actuator and thermostat are associated. In this way we are able to activate manualy the actuator from the thermostat even with the Vera litle gateway not working
Replace the DIP switch # 1 of SRT321 thermostat in normal mode (OFF).