11 Installation Instructions 5211.1. Safety Precautions 5211.2. Indoor Unit 5511.3. Outdoor Unit 5812 Servicing Information 6312.1. Troubleshooting 6312.2. Breakdown Self Diagnosis Function 6512.3. Remote Control 6712.4. Auto OFF/ON Button 6812.5. Disassembly of Parts 6913 Technical Data 7213.1. Operation Characteristics 7213.2. Sensible Capacity Chart 7514 Exploded View (Indoor Unit) 76• Product− Four modes of operation selection− Powerful Mode operation− 24-Hour Real Time Timer Control− Quiet Mode Operation− Discharged air can be swung automatically or manuallyby remote control− Air filter with function to reduce dust and smoke14.1. CS-E15DTEW CS-E18DTEW CS-E21DTES 7615 Replacement Parts List (Indoor Unit) 7715.1. CS-E15DTEW CS-E18DTEW CS-E21DTES 7716 Exploded View (Outdoor Unit) 7816.1. CU-E15DBE CU-E18DBE CU-E21DBE 7817 Replacement Parts List (Outdoor Unit) 7917.1. CU-E15DBE CU-E18DBE CU-E21DBE 7918 Electronic Circuit Diagram 8018.1. Indoor Unit 8018.2. Outdoor Unit 8318.3. Remote Control 8818.4. Print PatternIndoor Unit Printed Circuit Board 8918.5. Print PatternOutdoor Unit Printed Circuit Board View 90• Serviceability Improvement− Removable and washable Intake Grille− Breakdown Self Diagnosis function• Environmental Protection− Non-ozone-depletion substances refrigerant (R410A)• Quality Improvement− Gas leakage detection− Deice operation− Auto restart control1 Features2CS-E15DTEW CU-E15DBE / CS-E18DTEW CU-E18DBE / CS-E21DTES CU-E21DBE