This video is the instruction about how to adjust the temperature of Carel controller

Step 1. Press the “SET / MUTE” button for more than 3 seconds until the display shows the code ST ( st ).
Step 2. Use the UP and DOWN buttons to adjust the temperature.
Step 3. Press SET / MUTE button to save the setting. If no buttons pressed for 5 seconds, the changes of setting will be saved and the DISPLAY will show the actual temperature.

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