This function is controlled from the unit’s local wired controller (like BRC1E72).
Here are the settings to be made in order to activate:
CoolMaster will read ambient temperature measured by thermostat – local wired controller (like BRC1E72) if following field settings had being done on thermostat:
Setting 10-2 = 03 – Only the thermostat thermistor will be utilized by indoor unit.
Setting 10-5 = 02 – Room temperature value reported to by Indoor is taken from thermostat.