SiBE12-908
Table of Contents ii
1. Introduction ............................................................................................vi
1.1 Safety Cautions....................................................................................... vi
1.2 Used Icons ...............................................................................................x
Part 1 List of Functions ................................................................ 1
1. Functions.................................................................................................2
Part 2 Specifications .................................................................... 4
1. Specifications..........................................................................................5
1.1 Indoor Units..............................................................................................5
1.2 Outdoor Units ...........................................................................................6
Part 3 Printed Circuit Board Connector Wiring Diagram ............. 8
1. Printed Circuit Board Connector Wiring Diagram....................................9
1.1 Indoor Units..............................................................................................9
1.2 Outdoor Units .........................................................................................11
Part 4 Function and Control........................................................13
1. Main Functions......................................................................................14
1.1 Frequency Principle................................................................................14
1.2 Thermostat Control.................................................................................16
1.3 Automatic Operation...............................................................................17
1.4 Program Dry Function ............................................................................18
1.5 Airflow Direction Control.........................................................................19
1.6 Fan Speed Control for Indoor Units........................................................20
1.7 HUMID HEAT Operation ........................................................................21
1.8 Fresh Air Supply Ventilation...................................................................26
1.9 2-AREA INTELLIGENT EYE..................................................................28
1.10 Inverter POWERFUL Operation.............................................................30
1.11 ECONO Mode ........................................................................................31
1.12 NIGHT SET Mode ..................................................................................32
1.13 Other Functions......................................................................................33
1.14 Table for Special Modes.........................................................................35
2. Function of Thermistor ..........................................................................37
2.1 Heat Pump Model...................................................................................37
3. Control Specification .............................................................................39
3.1 Mode Hierarchy......................................................................................39
3.2 Automatic switching for HUMID HEAT operation room..........................40
3.3 Frequency Control..................................................................................41
3.4 Controls at Mode Changing / Start-up....................................................43
3.5 Discharge Pipe Temperature Control.....................................................44
3.6 Input Current Control..............................................................................45
3.7 Freeze-up Protection Control .................................................................45
3.8 Heating Peak-cut Control .......................................................................46
3.9 Fan Control.............................................................................................46
3.10 Liquid Compression Protection Function 2.............................................47
3.11 Defrost Control .......................................................................................47
3.12 Electronic Expansion Valve Control .......................................................48
3.13 Malfunctions ...........................................................................................52
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