173.4 Cooling Mode3.4.1 Four-way valve is closed. If four-way valve is open before the mechine enters cooling mode, then four-wayvalve will be closed at the first time the compressor starts under the cooling mode.3.4.2 Conditions for the compressor and outdoor fan action (Ts = set temperature, Ta=room temperature)Condition Compressor Outdoor fanTa > Ts+1 On OnRoom temp. upTa Off OffTa > Ts On OnRoom temp. downTa Off Off3.4.3 Action of Indoor Fan3.4.3.1 HIGH/LOW/AUTO fan can be switched over for your comfort.3.4.3.2 Auto fan under cooling mode.Condition (T=Indoor Temp.-Setting Temp.) Indoor fan speedT<4°C LowTemp. upT>4°C HighT> 1°C HighTemp. downT<1°C Low3.5 Dehumidifying Mode3.5.1 Dehumidifying mode is the cooling operation, under which the indoor fan is high and outdoor fan is low.3.5.2 Protective condition is actived.3.6 Auto Mode3.6.1 Under auto mode, the indoor fan is set to be auto (refer to auto fan under cooling, heating).3.6.2 When entering auto mode, the heating, fan only or cooling operation will be automatically chosen accordingto the room temperature Ta and the set temperature Ts.3.6.2.1 When Ta < Ts - 1°c, it performs the heating operation with a set temperature of Ts - 1°c (refer to theheating mode). However the cool only model will be in low fan.3.6.2.2 When Ts + 2°c Ta Ts - 1°c, control according to cooling auto fan with a set temperature of23°c.3.6.2.3 When Ta > Ts +2°c, it performs the cooling operation with a set temperature of Ts (refer to the coolingmode).3.6.3 After one mode is chosen, if the condition Ta > Ts+1°c or Ta < Ts - 1°c lasts for 15 minutes, meanwhile thecompressor doesn't start up within consecutive 15 minutes, the operation mode will be re-chosen accordingto the Ta and Ts.3.6.4 Protective condition is actived.3.7 Fan Only Mode3.7.1 Under this mode, four-way valve, compressor and outdoor fan are shut down.3.7.2 High/Low/Auto fan can be switched over through manual control. Auto fan will be controlled in line withcooling auto fan with temperature set to be 23°C.3.7.3 After entering fan mode, the operating indicator is on. If the model is cooling only mode, fan indicator is onat the same time.
