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CONTENTS
1. Precaution .......................................................................................................... 1
1.1 Safety Precaution ......................................................................................... 1
1.2 Warning ......................................................................................................... 1
2. Part Names and Functions ............................................................................... 3
2.1 Model Names of Indoor/Outdoor Units ......................................................... 3
2.2 Part Names of Indoor/Outdoor Units ............................................................ 4
3. Dimension .......................................................................................................... 5
3.1 Indoor Unit .................................................................................................... 5
3.2 Outdoor Unit ................................................................................................. 7
4. Refrigerant Cycle Diagram ............................................................................... 8
5 Wiring Diagram .................................................................................................. 9
6. Installation Details ............................................................................................. 9
6.1 Wrench Torque Sheet for Installation ............................................................ 9
6.2 Connnecting the Cables ............................................................................... 9
6.3 Pipe Length and the Elevation ...................................................................... 9
6.4 Initial Installation ......................................................................................... 10
6.5 Adding the Refrigerant After Running the System for Many Years ............. 10
6.6 Re-installation if the Indoor Unit Has Been Repaired ..................................11
6.7 Re-installation After Outdoor Unit Has Been Repaired ................................11
7. Operation Characteristics............................................................................... 13
8. Electronic Function ......................................................................................... 14
8.1 Abbreviation ................................................................................................ 14
8.2 Display Functions ....................................................................................... 14
8.3 Main Protection ........................................................................................... 15
8.4 Operation Modes and Functions ................................................................. 16
9. Troubleshooting .............................................................................................. 21
9.1 Indoor Unit Error Display ............................................................................ 22
9.2 Outdoor Unit Error Display .......................................................................... 23
9.3 Diagnosis and Solution ............................................................................... 26
10. Disassembly Instructions .............................................................................. 55
10.1 Indoor Unit................................................................................................. 55
10.2 Outdoor Unit .............................................................................................. 59