
CONTENTS
Safety Notice on Maintenance...................................................................................................... 1
Safety Notice on Operation........................................................................................................... 4
1. Product Introduction ................................................................................................................. 6
1.1 Lists of Units ...................................................................................................................................... 6
1.2 Electrical Parameters ........................................................................................................................11
2. Control......................................................................................................................................12
2.1 Operation Mode ............................................................................................................................... 12
2.2 Control Mode ................................................................................................................................... 13
2.3 Functions ......................................................................................................................................... 17
3. Troubleshooting.......................................................................................................................28
3.1 Wiring Diagrams .............................................................................................................................. 28
3.2 PCB Layout...................................................................................................................................... 38
3.3 Error Code ....................................................................................................................................... 55
3.4 Troubleshooting ............................................................................................................................... 59
3.5 Failures Not Caused by Errors ......................................................................................................... 77
4. Maintenance .............................................................................................................................79
4.1 System Diagram .............................................................................................................................. 79
4.2 Connection Pipe Vacuum Pumping .................................................................................................. 79
4.3 Refrigerant Charging........................................................................................................................ 80
4.4 Maintenance of Major Components.................................................................................................. 82
4.5 Removal of Major Components........................................................................................................ 93
4.6 Explosive View and Lists of Parts................................................................................................... 151
Appendices ................................................................................................................................1
1. Resistance/Temperature Lists of Temperature Sensors ....................................................1
9ROWDJH/LVWRI.ȍ7HPSHUDWXUH6HQVRUVLQFOXGLQJ2'8DQG,'2WHPSHUDWXUHVHQVRUV .........1
9ROWDJH/LVWRI.ȍ3LSHOLQH7HPSHUDWXUH6HQVRUVLQFOXGLQJWHPSHUDWXUHVHQVRUVIRUGHIURVWHr, IDU
and ODU pipes) ................................................................................................................................... 1
9ROWDJH/LVWRI.ȍ'LVFKDUJH7HPSHUDWXUH6HQVRUVLQFOXGLQJGLVFKDUJHDLUWHPSHUDWXUHVHQVRU
............................................................................................................................................................
2.Temperature/Pressure List of Refrigerant ...........................................................................
3. Refrigerant Notice/Concentration ........................................................................................
4. Operation Tools .....................................................................................................................