SiBE12-522ii Table of Contents1. Introduction ........................................................................................... vii1.1 Safety Cautions ...................................................................................... viiPart 1 List of Functions ................................................................ 11. List of Functions ......................................................................................21.1 Cooling Only Models ................................................................................21.2 Heat Pump Models...................................................................................5Part 2 Specifications .................................................................. 111. Specifications ........................................................................................121.1 Indoor Units - Cooling Only ....................................................................121.2 Outdoor Units - Cooling Only .................................................................191.3 Indoor Units - Heat Pump.......................................................................211.4 Outdoor Units - Heat Pump ....................................................................30Part 3 Printed Circuit Board Connector Wiring Diagram ........... 331. Printed Circuit Board Connector Wiring Diagram..................................341.1 Wall Mounted Type ................................................................................341.2 Duct Connected Type.............................................................................411.3 Floor / Ceiling Suspended Dual Type.....................................................431.4 Floor Standing Type ...............................................................................451.5 Outdoor Units .........................................................................................48Part 4 Function and Control........................................................ 491. Main Functions......................................................................................501.1 Frequency Principle................................................................................501.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........521.3 Fan Speed Control for Indoor Units........................................................531.4 Programme Dry Function .......................................................................541.5 Automatic Operation...............................................................................551.6 Thermostat Control.................................................................................561.7 Night Set Mode.......................................................................................571.8 ECONO Mode ........................................................................................581.9 INTELLIGENT EYE ................................................................................591.10 HOME LEAVE Operation .......................................................................611.11 Inverter POWERFUL Operation .............................................................621.12 Other Functions......................................................................................632. Function of Main Structural Parts..........................................................652.1 Main Structural Parts..............................................................................652.2 Function of Thermistor ...........................................................................663. Control Specification .............................................................................703.1 Mode Hierarchy ......................................................................................703.2 Frequency Control..................................................................................713.3 Controls at Mode Changing / Start-up....................................................733.4 Discharge Pipe Control ..........................................................................743.5 Input Current Control..............................................................................743.6 Freeze-up Protection Control .................................................................753.7 Heating Peak-cut Control .......................................................................753.8 Fan Control.............................................................................................76