SiBE121021_C
Function and Control 83
Part 4
Function and Control
1. Function of Indoor Unit (RA Models).....................................................84
1.1 Temperature Control ..............................................................................84
1.2 Frequency Principle................................................................................84
1.3 Operation Starting Control......................................................................86
1.4 Airflow Direction Control.........................................................................87
1.5 Fan Speed Control for Indoor Units........................................................89
1.6 Program Dry Operation ..........................................................................90
1.7 Automatic Operation...............................................................................91
1.8 Thermostat Control.................................................................................92
1.9 NIGHT SET Mode ..................................................................................94
1.10 ECONO Operation .................................................................................95
1.11 HOME LEAVE Operation .......................................................................96
1.12 2-Area INTELLIGENT EYE Operation ...................................................97
1.13 INTELLIGENT EYE Operation ...............................................................99
1.14 Inverter POWERFUL Operation ...........................................................100
1.15 Other Functions....................................................................................102
2. Function of Indoor Unit (SA Models) ...................................................104
2.1 Drain Pump Control..............................................................................104
2.2 Thermostat Sensor in Remote Controller.............................................106
2.3 Freeze Prevention Control ...................................................................108
2.4 Hot Start Control (In Heating Operation Only)......................................109
3. Function of Thermistor ........................................................................110
4. Control Specification ...........................................................................112
4.1 Mode Hierarchy ....................................................................................112
4.2 Frequency Control................................................................................113
4.3 Controls at Mode Changing / Start-up..................................................116
4.4 Discharge Pipe Temperature Control...................................................117
4.5 Input Current Control............................................................................118
4.6 Freeze-up Protection Control ...............................................................118
4.7 Heating Peak-cut Control .....................................................................119
4.8 Outdoor Fan Control.............................................................................119
4.9 Liquid Compression Protection Function..............................................120
4.10 Defrost Control .....................................................................................120
4.11 Low Hz High Pressure Limit .................................................................121
4.12 Electronic Expansion Valve Control .....................................................121
4.13 Malfunctions .........................................................................................126
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