Setting the weighting for a Master thermostat to '0%':
This tells the Master thermostat to NOT use its internal temperature sensor unless the external sensor(s) fail. At which point the thermostat will automatically re-active its internal sensor and control the room to its internal sensor’s reading.
Setting the weighting for a Master thermostat to 'Disabled':
This tells the Master thermostat to NEVER use its internal temperature sensor.
