Table of Contents
Page
1.OPERATING RANGE..............................................................................................................................1
2.SPECIFICATIONS
2-1.Unit Specifications..........................................................................................................................2
2-2.Major Component Specifications....................................................................................................6
2-3.Other Component Specifications....................................................................................................13
3.DIMENSIONAL DATA..............................................................................................................................14
4.REFRIGERANT FLOW DIAGRAM .........................................................................................................17
5.PERFORMANCE DATA
5-1.Performance charts .......................................................................................................................19
5-2.Air Throw Distance Chart ..............................................................................................................22
5-3. Heating Capacity ...........................................................................................................................26
6.ELECTRICAL DATA
6-1.Electrical Characteristics................................................................................................................27
6-2.Electric Wiring Diagram..................................................................................................................31
7.FUNCTION
7-1.Room Temperature Control ...........................................................................................................34
7-2.Dry Operation ................................................................................................................................36
7-3.Automatic Switching between Cooling and Heating ......................................................................36
7-4.Freeze Prevention .........................................................................................................................37
7-5.Overload Prevention ......................................................................................................................38
7-6.Cold Draft Prevention ....................................................................................................................39
7-7.Defrosting Operation .....................................................................................................................40
8.TROUBLESHOOTING
8-1.Check before and after troubleshooting ........................................................................................42
8-2.Air conditioner does not operate ....................................................................................................43
8-3.Some part of air conditioner does not operate ..............................................................................47
8-4.Air conditioner operates, but abnormalities are observed .............................................................49
8-5.If a sensor is defective ...................................................................................................................51
9.CHECKING ELECTRICAL COMPONENTS
9-1.Measurement of Insulation Resistance..........................................................................................52
9-2.Checking Continuity of Fuse on PCB Ass'y....................................................................................53
9-3.Checking Motor Capacitor .............................................................................................................53
ii
10. DISASSEMBLY PROCEDURE FOR INDOOR UNIT
10-1.Removing Air Intake Grille ...........................................................................................................54
10-2. Removing Side Panels ................................................................................................................55
10-3. Access and Removal of Electrical Component Box ....................................................................55
10-4. Removing Flap Motor ..................................................................................................................56
10-5. Removing Evaporator ..................................................................................................................56
10-6. Removing Fan and Fan Motor .....................................................................................................58
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