Si04-402A
Function and Control 15
Part 4
Part 4Part 4
Part 4
Function and Control
Function and Control Function and Control
Function and Control
1. Main Functions......................................................................................16
1.1 Frequency Principle................................................................................16
1.2 Power-Airflow Flap, Wide-Angle Louvres and Auto-Swing ....................18
1.3 Operation Starting Control......................................................................19
1.4 Fan Speed Control for Indoor Units........................................................20
1.5 Programme Dry Function .......................................................................21
1.6 Automatic Operation...............................................................................22
1.7 NIGHT SET Mode ..................................................................................23
1.8 INTELLIGENT EYE ................................................................................24
1.9 Inverter Powerful Operation ...................................................................25
1.10 Other Functions......................................................................................26
2. Function of Thermistor ..........................................................................27
2.1 Heat Pump Model...................................................................................27
3. Control Specification .............................................................................28
3.1 Mode Hierarchy ......................................................................................28
3.2 Frequency Control..................................................................................29
3.3 Controls at Mode Changing / Start-up....................................................30
3.4 Discharge Pipe Control ..........................................................................32
3.5 Input Current Control..............................................................................32
3.6 Freeze-up Protection Control .................................................................33
3.7 Heating Peak-cut Control .......................................................................33
3.8 Fan Control.............................................................................................34
3.9 Liquid Compression Protection Function 2.............................................34
3.10 Defrost Control .......................................................................................35
3.11 Electronic Expansion Valve Control .......................................................36
3.12 Malfunctions ...........................................................................................39
3.13 Forced Operation Mode .........................................................................40
3.14 Additional Function.................................................................................40