Table of Contents
Page
1. OPERATING RANGE ............................................................................................................................... 1
2. SPECIFICATIONS
2-1. Unit Specifications .......................................................................................................................... 2
2-2. Major Component Specifications ................................................................................................... 4
2-3. Other Component Specifications.................................................................................................... 6
3. DIMENSIONAL DATA............................................................................................................................... 7
4. REFRIGERANT FLOW DIAGRAM .......................................................................................................... 8
5. PERFORMANCE DATA
5-1. Cooling Capacity ........................................................................................................................... 9
6. ELECTRICAL DATA
6-1. Electric Characteristics .................................................................................................................. 11
6-2. Electric Wiring Diagram .................................................................................................................. 12
7. TROUBLESHOOTING
7-1. Check before and after troubleshooting ........................................................................................ 13
7-2. Air conditioner does not operate .................................................................................................... 14
7-3. Some part of air conditioner does not operate .............................................................................. 16
7-4. Air conditioner operates, but abnormalities are observed ............................................................. 18
8. CHECKING ELECTRICAL COMPONENTS
8-1. Measurement of Insulation Resistance .......................................................................................... 27
8-2. Checking Motor Capacitor .............................................................................................................. 20
8-3. Checking Fan Motor Winding ......................................................................................................... 20
8-4. Checking Compressor Motor Winding............................................................................................ 20
9. DISASSEMBLY PROCEDURES
9-1. Removing Front Grille..................................................................................................................... 21
9-2. Removing Cabinet .......................................................................................................................... 22
9-3. Removing Electrical Component Box ............................................................................................. 22
9-4. Removing Evaporator..................................................................................................................... 23
9-5. Removing Blower Wheel ................................................................................................................ 23
9-6. Removing Condenser..................................................................................................................... 24
9-7. Removing Propeller Fan................................................................................................................. 24
9-8. Removing Fan Motor ...................................................................................................................... 24
Unit Display and Control Panel ............................................................................................ 25
APPENDIX
iii