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.................................................................................................... 5
3. DIMENSIONAL DATA.............................................................................................................................. 6
4. REFRIGERANT FLOW DIAGRAM ......................................................................................................... 8
5. PERFORMANCE DATA
5-1. Performance charts ....................................................................................................................... 9
5-2. Air Throw Distance Chart .............................................................................................................. 10
5-3. Cooling Capacity ........................................................................................................................... 12
5-4. Heating Capacity ........................................................................................................................... 13
6. ELECTRICAL DATA
6-1. Electrical Characteristics ................................................................................................................ 14
6-2. Electric Wiring Diagram .................................................................................................................. 15
7. FUNCTION
7-1. Room Temperature Control ........................................................................................................... 17
7-2. Dry Operation ................................................................................................................................ 19
7-3. Automatic Switching between Cooling and Heating ...................................................................... 19
7-4. Freeze Prevention ......................................................................................................................... 20
7-5. Overload Prevention ...................................................................................................................... 21
7-6. Cold Draft Prevention .................................................................................................................... 22
7-7. Defrosting Operation ..................................................................................................................... 23
8. TROUBLESHOOTING
8-1. Check before and after troubleshooting ........................................................................................ 25
8-2. Air conditioner does not operate .................................................................................................... 26
8-3. Some part of air conditioner does not operate .............................................................................. 30
8-4. Air conditioner operates, but abnormalities are observed ............................................................. 32
8-5. If a sensor is defective ................................................................................................................... 34
9. CHECKING ELECTRICAL COMPONENTS
9-1. Measurement of Insulation Resistance .......................................................................................... 35
9-2. Checking Continuity of Fuse on PCB Ass'y.................................................................................... 36
9-3. Checking Motor Capacitor ............................................................................................................. 36
10.DISASSEMBLY PROCEDURE FOR INDOOR UNIT
10-1. Removing Air Intake Grille.............................................................................................................. 37
10-2. Removing Side Panels ................................................................................................................... 38
10-3. Access and Removal of Electrical Component Box ....................................................................... 38
10-4. Removing Flap Motor ..................................................................................................................... 39
10-5. Removing Evaporator (=Indoor Heat Exchange Coil) .................................................................... 39
10-6. Removing Fan and Fan Motor........................................................................................................ 41
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