Si12-714
ii Table of Contents
1. Introduction ............................................................................................vi
1.1 Safety Cautions.......................................................................................vi
1.2 Used Icons ...............................................................................................x
Part 1 List of Functions ................................................................ 1
1. List of Functions......................................................................................2
1.1 Cooling Only.............................................................................................2
1.2 Heat Pump ...............................................................................................9
Part 2 Specifications .................................................................. 13
1. Specifications........................................................................................14
1.1 Indoor Units - Cooling Only....................................................................14
1.2 Outdoor Units - Cooling Only .................................................................22
1.3 Indoor Units - Heat Pump.......................................................................28
1.4 Outdoor Units - Heat Pump....................................................................33
Part 3 Printed Circuit Board Connector Wiring Diagram ........... 35
1. Printed Circuit Board Connector Wiring Diagram..................................36
1.1 Wall Mounted Type ................................................................................36
1.2 Duct Connected Type.............................................................................42
1.3 Floor / Ceiling Suspended Dual Type.....................................................44
1.4 Wall Built-in Type ...................................................................................47
1.5 Outdoor Units .........................................................................................49
Part 4 Function and Control........................................................ 55
1. Main Functions......................................................................................56
1.1 Frequency Principle................................................................................56
1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........58
1.3 Fan Speed Control for Indoor Units........................................................59
1.4 Programme Dry Function .......................................................................60
1.5 Automatic Operation...............................................................................61
1.6 Thermostat Control.................................................................................62
1.7 Night Set Mode.......................................................................................63
1.8 ECONO Mode ........................................................................................64
1.9 MOLD PROOF Operation ......................................................................64
1.10 INTELLIGENT EYE................................................................................65
1.11 HOME LEAVE Operation .......................................................................67
1.12 Inverter POWERFUL Operation.............................................................68
1.13 Other Functions......................................................................................69
2. Function of Main Structural Parts..........................................................71
2.1 Main Structural Parts..............................................................................71
2.2 Function of Thermistor ...........................................................................72
3. Control Specification .............................................................................76
3.1 Mode Hierarchy......................................................................................76
3.2 Frequency Control..................................................................................77
3.3 Controls at Mode Changing / Start-up....................................................80
3.4 Discharge Pipe Temperature Control.....................................................81
3.5 Input Current Control..............................................................................81
3.6 Freeze-up Protection Control .................................................................82
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