
SiBE041010
Function and Control
13
Part 4
Function and Control
1. Main Functions......................................................................................14
1.1
Frequency Principle................................................................................14
1.2
Airflow Direction Control.........................................................................16
1.3
Fan Speed Control for Indoor Units........................................................17
1.4
Program Dry Operation ..........................................................................18
1.5
Automatic Operation...............................................................................19
1.6
Thermostat Control.................................................................................20
1.7
NIGHT SET Mode ..................................................................................21
1.8
ECONO Operation .................................................................................22
1.9
Inverter POWERFUL Operation .............................................................23
1.10 Other Functions......................................................................................24
2. Function of Thermistor ..........................................................................25
3. Control Specification .............................................................................26
3.1
Mode Hierarchy ......................................................................................26
3.2
Frequency Control..................................................................................27
3.3
Controls at Mode Changing / Start-up....................................................29
3.4
Discharge Pipe Temperature Control.....................................................30
3.5
Input Current Control..............................................................................31
3.6
Freeze-up Protection Control .................................................................32
3.7
Heating Peak-cut Control .......................................................................32
3.8
Outdoor Fan Control...............................................................................33
3.9
Liquid Compression Protection Function................................................33
3.10 Defrost Control .......................................................................................34
3.11 Electronic Expansion Valve Control .......................................................35
3.12 Malfunctions ...........................................................................................38
3.13 Forced Operation Mode .........................................................................39