Specifications
Table Of Contents
- Cover
- Table of Contents
- Part 1 List of Functions
- Part 2 Specifications
- Part 3 Printed Circuit Board Connector Wiring Diagram
- Part 4 Function and Control
- Part 5 Operation Manual
- Part 6 Service Diagnosis
- 1. Caution for Diagnosis
- 2. Problem Symptoms and Measures
- 3. Service Check Function
- 4. Code Indication on the Remote Controller
- 5. Troubleshooting
- 5.1 Indoor Units
- 5.2 Outdoor Units
- 5.3 Indoor Unit PCB Abnormality A1
- 5.4 Freeze-up Protection Control or High Pressure Control A5
- 5.5 Fan Motor or Related Abnormality A6
- 5.6 Thermistor or Related Abnormality (Indoor Unit) C4,C9
- 5.7 Front Panel Open / Close Fault C7
- 5.8 Signal Transmission Error (between Indoor and OutdoorUnit) U4
- 5.9 Unspecified Voltage (between Indoor and Outdoor Units) UA
- 5.10 Freeze-up Protection Control A5
- 5.11 Outdoor Unit PCB Abnormality E1
- 5.12 OL Activation (Compressor Overload) E5
- 5.13 Compressor Lock E6
- 5.14 DC Fan Lock E7
- 5.15 Input Over Current Detection E8
- 5.16 Discharge Pipe Temperature Control F3
- 5.17 High Pressure Control in Cooling F6
- 5.18 Compressor Sensor System Abnormality H0
- 5.19 Position Sensor Abnormality H6
- 5.20 CT or Related Abnormality H8
- 5.21 Thermistor or Related Abnormality (Outdoor Unit) P4,J3,J6,J8,J9,H9
- 5.22 Electrical Box Temperature Rise L3
- 5.23 Radiation Fin Temperature Rise L4
- 5.24 Output Over Current Detection L5
- 5.25 Insufficient Gas U0
- 5.26 Low-voltage Detection or Over-voltage Detection U2
- 5.27 Signal Transmission Error (on Outdoor Unit PCB) U7
- 5.28 Anti-icing Function in Other Rooms / UnspecifiedVoltage (between Indoor and Outdoor Units) UA,UH
- 6. Check
- Part 7 Removal Procedure
- Part 8 Others
- Part 9 Appendix
- Index
- Drawings & Flow Charts

SiBE12-713
ii Table of Contents
1. Introduction .............................................................................................v
1.1 Safety Cautions ........................................................................................v
1.2 Used Icons .............................................................................................. ix
Part 1 List of Functions ................................................................ 1
1. List of Functions ......................................................................................2
1.1 Cooling Only Models ................................................................................2
1.2 Heat Pump Models...................................................................................7
Part 2 Specifications .................................................................. 13
1. Specifications ........................................................................................14
1.1 Indoor Units - Cooling Only ....................................................................14
1.2 Outdoor Units - Cooling Only .................................................................23
1.3 Indoor Units - Heat Pump.......................................................................24
1.4 Outdoor Units - Heat Pump ....................................................................35
Part 3 Printed Circuit Board Connector Wiring Diagram ........... 37
1. Printed Circuit Board Connector Wiring Diagram..................................38
1.1 Wall Mounted Type ................................................................................38
1.2 Duct Connected Type.............................................................................47
1.3 Floor / Ceiling Suspended Dual Type.....................................................49
1.4 Floor Standing Type ...............................................................................52
1.5 Ceiling Suspended Type ........................................................................54
1.6 Outdoor Units .........................................................................................56
Part 4 Function and Control........................................................ 59
1. Main Functions......................................................................................60
1.1 Frequency Principle................................................................................60
1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........62
1.3 Operation Starting Control......................................................................64
1.4 Fan Speed Control for Indoor Units........................................................65
1.5 Programme Dry Function .......................................................................66
1.6 Automatic Operation...............................................................................67
1.7 Thermostat Control.................................................................................68
1.8 Night Set Mode.......................................................................................69
1.9 ECONO Mode ........................................................................................70
1.10 INTELLIGENT EYE (Wall Mounted Type only)......................................71
1.11 HOME LEAVE Operation .......................................................................73
1.12 Inverter POWERFUL Operation .............................................................74
1.13 Other Functions......................................................................................75
2. Function of Main Structural Parts..........................................................77
2.1 Main Structural Parts..............................................................................77
2.2 Function of Thermistor ...........................................................................78
3. Control Specification .............................................................................82
3.1 Mode Hierarchy ......................................................................................82
3.2 Frequency Control..................................................................................83
3.3 Controls at Mode Changing / Start-up....................................................86
3.4 Discharge Pipe Control ..........................................................................88
3.5 Input Current Control..............................................................................88