SiEBE18-526 Indoor Unit (SkyAir Models)Function 958.3 Function DetailsThermostatControlFreeze-upProtectionControlThe thermostat turns OFF under the following temperature conditions to prevent freezing of theindoor unit heat exchanger. The motorized valve is controlled to maintain the indoor unit heat exchanger temperature(Te) above 0°C. The outdoor unit fan speed is reduced to prevent freeze-up protection control from activatingduring cooling operation under low outside air temperature. (For details, see the section oncooling operation under low outside air temperature.)CoolingDisplayHeatingthermostat OFFCoolingthermostat OFF(S1962)Coolingthermostat ONSet temperature-2.5 -2 +1 +2.5+2016 17 18 19 20 21 22 23 24 25Initial setting252525252526 27 28 29 30 31 32 33 34-1Heatingthermostat ONSetting Display DisplaySettingHeatingCool/Heat AutomaticOutdoor unit heat exchanger temperature(Te) Freeze prevention control7°C-1°C-3°C-5°C(S1116)Reset after 10 continuous minutesThermostat OFF after40 cumulative minutesThermostat OFF after 1 continuous minutesfrom 8 min. after starting (FHQ only)Thermostat OFF after1 continuous minutes from 8 min. after starting (FFQ only)
