Specifications

Si04-306B
Function and Control 37
Part 4
Part 4Part 4
Part 4
Function and Control
Function and Control Function and Control
Function and Control
1. Main Functions......................................................................................38
1.1 Frequency Principle................................................................................38
1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........40
1.3 Fan Speed Control for Indoor Units........................................................41
1.4 Programme Dry Function .......................................................................42
1.5 Automatic Operation...............................................................................43
1.6 Night Set Mode.......................................................................................44
1.7 Intelligent Eye.........................................................................................45
1.8 Home Leave Operation ..........................................................................47
1.9 Inverter Powerful Operation ...................................................................48
1.10 Other Functions......................................................................................49
2. Function of Main Structural Parts..........................................................50
2.1 Function of Thermistor ...........................................................................50
3. Control Specification .............................................................................52
3.1 Mode Hierarchy ......................................................................................52
3.2 Frequency Control..................................................................................53
3.3 Controls at Mode Changing / Start-up....................................................55
3.4 Discharge Pipe Temperature Control.....................................................56
3.5 Input Current Control..............................................................................56
3.6 Freeze-up Protection Control .................................................................57
3.7 Heating Peak-cut Control .......................................................................57
3.8 Fan Control.............................................................................................58
3.9 Liquid Compression Protection Function 2.............................................58
3.10 Low Hz High Pressure Limit ...................................................................59
3.11 Defrost Control .......................................................................................59
3.12 Electronic Expansion Valve Control .......................................................60
3.13 Malfunctions ...........................................................................................63
3.14 Forced Operation Mode .........................................................................64
3.15 Additional Function.................................................................................64
3.16 Facility Setting Switch (cooling at low outdoor temperature)..................65