Service manual

SiBE041029_A
16 Function and Control
Part 4
Function and Control
1. Main Functions......................................................................................17
1.1 Temperature Control ..............................................................................17
1.2 Frequency Principle................................................................................17
1.3 Airflow Direction Control.........................................................................19
1.4 Fan Speed Control for Indoor Unit .........................................................20
1.5 Program Dry Operation ..........................................................................21
1.6 Automatic Operation...............................................................................22
1.7 Thermostat Control.................................................................................23
1.8 NIGHT SET Mode ..................................................................................24
1.9 HOME LEAVE Operation .......................................................................25
1.10 INTELLIGENT EYE Operation ...............................................................27
1.11 Inverter POWERFUL Operation .............................................................28
1.12 Clock Setting ..........................................................................................29
1.13 Other Functions......................................................................................30
2. Function of Thermistor ..........................................................................31
3. Control Specification .............................................................................32
3.1 Mode Hierarchy ......................................................................................32
3.2 Frequency Control..................................................................................33
3.3 Controls at Mode Changing / Start-up....................................................35
3.4 Discharge Pipe Temperature Control.....................................................37
3.5 Input Current Control..............................................................................38
3.6 Freeze-up Protection Control .................................................................39
3.7 Heating Peak-cut Control .......................................................................39
3.8 Outdoor Fan Control...............................................................................40
3.9 Liquid Compression Protection Function................................................40
3.10 Defrost Control .......................................................................................41
3.11 Electronic Expansion Valve Control .......................................................42
3.12 Malfunctions ...........................................................................................45