Midea Units when in heating can go as low as 62 degrees F. But when the unit is in Heating and the Silent Button is held for more then 2 seconds this heating temp setting is activated.
While in the heating operation(only when the setting mode is HEAT),If pushing this button more than 2 seconds, the FP function is activated. The unit will operate at high fan speed with the temperature automatically set to O8C(46F).The display window of indoor unit will display FP . For the unit without display area, the Defrost indicator light will be keeping on for 2 seconds, and then be off for2 seconds by turns. Press ON/OFF,SLEEP,FP,MODE, FAN SPEED,UP, DOWN button while operating will cancel the FP function