Si12-411A
ii Table of Contents
1. Introduction ........................................................................................... vii
1.1 Safety Cautions ...................................................................................... vii
Part 1 List of Functions ................................................................ 1
1. List of Functions ......................................................................................2
1.1 Cooling Only Models ................................................................................2
1.2 Heat Pump Models...................................................................................8
Part 2 Specifications .................................................................. 17
1. Specifications ........................................................................................18
1.1 Indoor Units - Cooling Only ....................................................................18
1.2 Outdoor Units - Cooling Only .................................................................30
1.3 Indoor Units - Heat Pump.......................................................................36
1.4 Outdoor Units - Heat Pump ....................................................................51
Part 3 Printed Circuit Board Connector Wiring Diagram ........... 57
1. Printed Circuit Board Connector Wiring Diagram..................................58
1.1 Wall Mounted Type 20/25/35 Class .......................................................58
1.2 Wall Mounted Type 50/60/71 Class .......................................................61
1.3 Duct Connected Type.............................................................................63
1.4 Floor / Ceiling Suspended Dual Type.....................................................64
1.5 Floor Standing Type ...............................................................................66
1.6 Outdoor Units .........................................................................................69
Part 4 Function and Control........................................................ 71
1. Main Functions......................................................................................72
1.1 Frequency Principle................................................................................72
1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........74
1.3 Fan Speed Control for Indoor Units........................................................75
1.4 Programme Dry Function .......................................................................76
1.5 Automatic Operation...............................................................................77
1.6 Night Set Mode.......................................................................................78
1.7 Intelligent Eye.........................................................................................79
1.8 Home Leave Operation ..........................................................................81
1.9 Inverter Powerful Operation ...................................................................82
1.10 Other Functions......................................................................................83
2. Function of Main Structural Parts..........................................................85
2.1 Main Structural Parts..............................................................................85
2.2 Function of Thermistor ...........................................................................86
3. Control Specification .............................................................................90
3.1 Mode Hierarchy ......................................................................................90
3.2 Frequency Control..................................................................................91
3.3 Controls at Mode Changing / Start-up....................................................93
3.4 Discharge Pipe Control ..........................................................................94
3.5 Input Current Control..............................................................................94
3.6 Freeze-up Protection Control .................................................................95
3.7 Heating Peak-cut Control .......................................................................95
3.8 Fan Control.............................................................................................96
3.9 Moisture Protection Function 2...............................................................96
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