Table of Contents
Page
1. OPERATING RANGE .............................................................................................................................. 1
2. SPECIFICATIONS
2-1. Unit Specifications.......................................................................................................................... 2
2-2. Major Component Specifications.................................................................................................... 5
2-3. Other Component Specifications.................................................................................................... 11
3. DIMENSIONAL DATA.............................................................................................................................. 12
4. REFRIGERANT FLOW DIAGRAM ......................................................................................................... 15
5. PERFORMANCE DATA
5-1. Performance charts ....................................................................................................................... 16
5-2. Air Throw Distance Chart .............................................................................................................. 19
5-3. Cooling Capacity ........................................................................................................................... 22
5-4. Heating Capacity ........................................................................................................................... 25
6. ELECTRICAL DATA
6-1. Electrical Characteristics ................................................................................................................ 26
6-2. Electric Wiring Diagram.................................................................................................................. 29
7. INSTALLATION INSTRUCTIONS
7-1. Installation Site Selection ............................................................................................................... 32
7-2. Remote Control Unit Installation Position....................................................................................... 34
7-3. Recommended Wire Length and Diameter ................................................................................... 35
8. FUNCTION
8-1. Room Temperature Control ........................................................................................................... 36
8-2. Dry Operation ................................................................................................................................ 38
8-3. Automatic Switching between Cooling and Heating ...................................................................... 38
8-4. Freeze Prevention ......................................................................................................................... 39
8-5. Overload Prevention ...................................................................................................................... 40
8-6. Cold Draft Prevention .................................................................................................................... 41
8-7. Defrosting Operation ..................................................................................................................... 42
8-8. Outdoor Fan Speed Control .......................................................................................................... 43
9. TROUBLESHOOTING
9-1. Check before and after troubleshooting ........................................................................................ 44
9-2. Air conditioner does not operate .................................................................................................... 45
9-3. Some part of air conditioner does not operate .............................................................................. 49
9-4. Air conditioner operates, but abnormalities are observed ............................................................. 51
9-5. If a sensor is defective ................................................................................................................... 53
10. CHECKING ELECTRICAL COMPONENTS
10-1. Measurement of Insulation Resistance .......................................................................................... 54
10-2. Checking Continuity of Fuse on PCB Ass'y.................................................................................... 55
10-3. Checking Motor Capacitor ............................................................................................................. 55
11. MAINTENANCE
11-1. Changing Address of Remote Control Unit in Indoor Unit ............................................................. 56
INSTRUCTION MANUAL ........................................................................................................ 57
APPENDIX
ii
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