User ManualTable of Contents1 Features22 Functions33 Product Specifications63.2. CS-C12DKU CU-C12DKU83.1. CS-C9DKU CU-C9DKU64 Dimensions104.2. Outdoor Unit114.1. Indoor Unit & Remote Control105 Refrigeration Cycle Diagram126 Block Diagram137 Wiring Diagram148 Operation Details158.1. Cooling Operation158.2. Soft Dry Operation168.3. Automatic Operation178.4. Operation Control188.5. Indoor Fan Speed Control218.6. Outdoor Fan Speed Control238.7. Vertical Airflow Direction Control238.8. Horizontal Airflow Direction Control248.9. Powerful Operation248.10. Quiet Operation258.11. Timer Control268.12. Random Auto Restart Control268.13. Remote Control Signal Receiving Sound268.14. Economy Mode Operation279 Operating Instructions2810 Installation Instructions3410.1. Safety Precautions3410.2. Attached accessories3610.3. Select the best location3610.4. Indoor/Outdoor Unit Installation Diagram3610.5. Indoor unit3710.6. Outdoor unit4011 2-way, 3-way Valve4511.1. Evacuation of Installation4611.2. Pumping down4711.3. Evacuation of Re-installation4811.4. Balance refrigerant of the 2-way, 3-way valves4911.5. Evacuation5011.6. Gas charging5112 Servicing Information5212.1. Distinction of Lead Free (PbF) Printed Circuit Board5212.2. Indoor Electronic Controller Removal Procedures5212.3. Indoor Fan Motor and Cross Flow Fan Removal Procedures5412.4. Auto OFF/ON Button5512.5. Remote Control Reset5613 Troubleshooting Guide5713.1. Refrigeration cycle system5713.2. Relationship between the condition of the air conditioner5813.3. Diagnosis methods of a malfunction of a compressor5814 Technical Data5914.1. Thermostat characteristics5914.2. Operation characteristics6015 Exploded View (Indoor Unit)6416 Replacement Parts List (Indoor Unit)6517 Exploded View (Outdoor Unit)6618 Replacement Parts List (Outdoor Unit)6719 Electronic Circuit Diagram6819.1. Indoor Unit6819.2. Remote Control7419.3. Print Pattern Indoor Unit Printed Circuit Board75Size: 6.36 MBPages: 77Language: EnglishOpen manual