SiBE04-809
ii Table of Contents
1. Introduction .............................................................................................v
1.1 Safety Cautions ........................................................................................v
1.2 Used Icons .............................................................................................. ix
Part 1 List of Functions ................................................................ 1
1. List of Functions ......................................................................................2
Part 2 Specifications .................................................................... 3
1. Specifications ..........................................................................................4
Part 3 Printed Circuit Board Connector Wiring Diagram ............. 7
1. Printed Circuit Board Connector Wiring Diagram....................................8
1.1 Indoor Unit................................................................................................8
1.2 Outdoor Unit ...........................................................................................10
Part 4 Function and Control........................................................13
1. Main Functions......................................................................................14
1.1 Frequency Principle................................................................................14
1.2 Power-Airflow Flap, Wide-Angle Louvres and Auto-Swing ....................16
1.3 Operation Starting Control......................................................................17
1.4 Fan Speed Control for Indoor Units........................................................18
1.5 Programme Dry Function .......................................................................19
1.6 Automatic Operation...............................................................................20
1.7 Thermostat Control.................................................................................21
1.8 NIGHT SET Mode ..................................................................................22
1.9 INTELLIGENT EYE ................................................................................23
1.10 Inverter POWERFUL Operation .............................................................24
1.11 Other Functions......................................................................................25
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....................................................31
3.4 Discharge Pipe Temperature Control.....................................................34
3.5 Input Current Control..............................................................................35
3.6 Freeze-up Protection Control .................................................................36
3.7 Heating Peak-cut Control .......................................................................37
3.8 Fan Control.............................................................................................38
3.9 Liquid Compression Protection Function 2.............................................38
3.10 Defrost Control .......................................................................................38
3.11 Electronic Expansion Valve Control .......................................................40
3.12 Malfunctions ...........................................................................................43
3.13 Forced Operation Mode .........................................................................44
3.14 Additional Function.................................................................................44
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