ivSection 1. SPECIFICATIONS................................................................................................. 1-11-1. Unit Specifications 1-21-2. Dimensional Data 1-1331-3. Refrigerant Flow Diagram 1-1431-4. Operating Range....................................................................................................................................................................................................................................................................................................................................................................................................................................................... 1-1441-5. Capacity Correction Graph According to Temperature Condition ...................................... 1-1451-6. Noise Criterion Curves 1-1501-7. Indoor Fan Performance 1-1611-8. Airflow Distance Chart 1-1621-9. Intaking Fresh Air of 4-Way Cassette Type1-10. Electrical Wiring 1-1661-11. Installation instructions 1-1711-12. Capacity Table ..................................................................................................................1. Cooling Capacity Performance Data2. Heating Capacity Performance Data....................................................................................................................................................................1-2471-2471-2641-171......................................................................................................................................................................................................................................................................................................................1-164...............................................................................................................................................................................................................................................................................................Outdoor UnitIndoor Unit................................................................................................................................................................................................................................................. 1-191Section 2. TEST RUN ............................................................................................................. 2-1PRECAUTIONS REGARDING TEST RUNCHECKS AFTER INSTALLATION HAVE COMPLETEDREGARDING DELIVERY TO THE CUSTOMER..................................................................................................................................................................................................................2-22-32-3Section 3. ELECTRICAL DATA3-1. Indoor Units (Electric Wiring Diagram, Schematic Diagram) 3-23-2. Outdoor Units (Electric Wiring Diagram)............................................................................................................................... 3-10Section 4. CONTROL FUNCTIONS.....................................................................................................................................................................................3-14-14-1. Room Temperature Control4-2. Heating Standby......................................................................................................................4-3. Automatic Fan Speed Control4-4. Drain Pump Control.................................................................................................................4-5. Automatic Heating/Cooling Control4-6. Automatic Flap Control ...........................................................................................................4-7. Filter Sign4-8. Fan Control during Dry Mode4-9. Ventilation Fan Output4-10. T10 Terminal..........................................................................................................................4-11. Parameter4-12. Outdoor Units Control PCB4-13. Functions of Outdoor Unit PCB4-14. Self-Diagnostics Function Table......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................4-24-44-54-64-74-84-84-94-94-94-104-114-194-22Section 5. TROUBLE DIAGNOSIS......................................................................................... 5-15-1. Contents of Remote Controller Switch Alarm Display5-2. Outdoor Unit Control Panel LED Display5-3. PAC System Alarm Codes 5-55-4. Inspection of Parts (Outdoor Unit) 5-585-5. Symptom: Thermostat in OFF continues or cycles OFF & ON too frequently5-25-595-6. How to Clean Heat Exchanger............................................................................................................................................. 5-4.................................................................................................................................................................................................................................................................................................................. 5-605-7. How to Replace Fan Motor................................................................................................... 5-61—— CONTENTS ——