Specifications

Si04-306B
ii Table of Contents
1. Introduction .............................................................................................v
1.1 Safety Cautions ........................................................................................v
Part 1 List of Functions ................................................................ 1
1. List of Functions......................................................................................2
1.1 R410A Series ...........................................................................................2
1.2 R22 Series................................................................................................6
Part 2 Specifications ..................................................................11
1. Specifications ........................................................................................12
1.1 Cooling Only - R410A Series .................................................................12
1.2 Cooling Only - R22 Series......................................................................15
1.3 Heat Pump - R410A Series ....................................................................19
1.4 Heat Pump - R22 Series ........................................................................25
Part 3 Printed Circuit Board
Connector Wiring Diagram ............................................... 31
1. Printed Circuit Board Connector Wiring Diagram..................................32
1.1 Indoor Unit..............................................................................................32
1.2 Outdoor Unit ...........................................................................................34
Part 4 Function and Control.......................................................37
1. Main Functions......................................................................................38
1.1 Frequency Principle................................................................................38
1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........40
1.3 Fan Speed Control for Indoor Units........................................................41
1.4 Programme Dry Function .......................................................................42
1.5 Automatic Operation...............................................................................43
1.6 Night Set Mode.......................................................................................44
1.7 Intelligent Eye.........................................................................................45
1.8 Home Leave Operation ..........................................................................47
1.9 Inverter Powerful Operation ...................................................................48
1.10 Other Functions......................................................................................49
2. Function of Main Structural Parts..........................................................50
2.1 Function of Thermistor ...........................................................................50
3. Control Specification .............................................................................52
3.1 Mode Hierarchy ......................................................................................52
3.2 Frequency Control..................................................................................53
3.3 Controls at Mode Changing / Start-up....................................................55
3.4 Discharge Pipe Temperature Control.....................................................56
3.5 Input Current Control..............................................................................56
3.6 Freeze-up Protection Control .................................................................57
3.7 Heating Peak-cut Control .......................................................................57
3.8 Fan Control.............................................................................................58
3.9 Liquid Compression Protection Function 2.............................................58
3.10 Low Hz High Pressure Limit ...................................................................59
3.11 Defrost Control .......................................................................................59
3.12 Electronic Expansion Valve Control .......................................................60