Table of Contents
Page
1. OPERATING RANGE ............................................................................................................................... 1
2. SPECIFICATIONS
2-1. Unit Specifications.......................................................................................................................... 2
2-2. Major Component Specifications.................................................................................................... 3
2-3. Other Component Specifications.................................................................................................... 4
3. DIMENSIONAL DATA............................................................................................................................... 5
4. REFRIGERANT FLOW DIAGRAM .......................................................................................................... 6
5. PERFORMANCE DATA
5-1. Cooling Capacity ........................................................................................................................... 7
6. ELECTRICAL DATA
6-1. Electrical Characteristics ............................................................................................................... 8
6-2. Electric Wiring Diagram.................................................................................................................. 9
7. TROUBLESHOOTING
7-1. Check before and after troubleshooting ........................................................................................ 10
7-2. Air conditioner does not operate .................................................................................................... 11
7-3. Some part of air conditioner does not operate ..............................................................................13
7-4. Air conditioner operates, but abnormalities are observed ............................................................. 15
8. CHECKING ELECTRICAL COMPONENTS
8-1. Measurement of Insulation Resistance .......................................................................................... 16
8-2. Checking Motor Capacitor.............................................................................................................. 17
8-3. Checking Fan Motor Winding......................................................................................................... 17
8-4. Checking Compressor Motor Winding............................................................................................ 17
9. DISASSEMBLY PROCEDURES
9-1. Removing Front Grille .................................................................................................................... 18
9-2. Removing Electrical Component Box ............................................................................................ 19
9-3. Removing Cabinet ......................................................................................................................... 19
9-4. Removing Evaporator .................................................................................................................... 20
9-5. Removing Blower Wheel ............................................................................................................... 20
9-6. Removing Condenser .................................................................................................................... 21
9-7. Removing Propeller Fan ................................................................................................................ 21
9-8. Removing Fan Motor ..................................................................................................................... 21
Unit Display and Control Panel ............................................................................................ 22
APPENDIX
iii
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