SiBE06-708_A
Function and Control 30
Part 4
Function and Control
1. Main Functions......................................................................................31
1.1 Temperature Control ..............................................................................31
1.2 Frequency Principle................................................................................31
1.3 Airflow Direction Control.........................................................................33
1.4 Fan Speed Control for Indoor Units........................................................34
1.5 Program Dry Operation ..........................................................................35
1.6 Automatic Operation...............................................................................36
1.7 Thermostat Control.................................................................................37
1.8 NIGHT SET Mode ..................................................................................38
1.9 ECONO Operation .................................................................................39
1.10 Inverter POWERFUL Operation .............................................................40
1.11 Other Functions......................................................................................41
2. Function of Thermistor ..........................................................................42
3. Control Specification .............................................................................43
3.1 Mode Hierarchy ......................................................................................43
3.2 Frequency Control..................................................................................44
3.3 Controls at Mode Changing / Start-up....................................................46
3.4 Discharge Pipe Temperature Control.....................................................48
3.5 Input Current Control..............................................................................49
3.6 Freeze-up Protection Control .................................................................50
3.7 Heating Peak-cut Control .......................................................................50
3.8 Outdoor Fan Control...............................................................................51
3.9 Liquid Compression Protection Function................................................51
3.10 Defrost Control .......................................................................................52
3.11 Electronic Expansion Valve Control .......................................................53
3.12 Malfunctions ...........................................................................................56
3.13 Forced Operation Mode .........................................................................57
3.14 Standby Electricity Saving......................................................................57