SiENBE04-512A
Function and Control 35
Part 4
Function and Control
1. Main Functions......................................................................................36
1.1 Frequency Principle................................................................................36
1.2 Power-Airflow Dual Flaps, Wide-Angle Louvres and Auto-Swing ..........38
1.3 Fan Speed Control for Indoor Units........................................................39
1.4 Programme Dry Function .......................................................................40
1.5 Automatic Operation...............................................................................41
1.6 NIGHT SET Mode ..................................................................................42
1.7 INTELLIGENT EYE................................................................................43
1.8 HOME LEAVE Operation .......................................................................45
1.9 Inverter POWERFUL Operation.............................................................46
1.10 Other Functions......................................................................................47
2. Function of Thermistor ..........................................................................48
2.1 Heat Pump Model...................................................................................48
2.2 Cooling Only Model................................................................................49
3. Control Specification .............................................................................50
3.1 Mode Hierarchy......................................................................................50
3.2 Frequency Control..................................................................................51
3.3 Controls at Mode Changing / Start-up....................................................53
3.4 Discharge Pipe Control ..........................................................................54
3.5 Input Current Control..............................................................................55
3.6 Freeze-up Protection Control .................................................................55
3.7 Heating Peak-cut Control .......................................................................56
3.8 Fan Control.............................................................................................56
3.9 Liquid Compression Protection Function 2.............................................56
3.10 Defrost Control .......................................................................................57
3.11 Electronic Expansion Valve Control .......................................................58
3.12 Malfunctions ...........................................................................................61
3.13 Forced Operation Mode .........................................................................62
3.14 Additional Function.................................................................................62
3.15 Facility Setting Jumper (cooling at low outdoor temperature) ................63
SiENBE04-512A.book Page 35 Friday, October 5, 2007 1:49 PM