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2 Room Air Conditioner
Air Conditioner Service Manual
TABLE OF CONTENTS
Safety Precautions..........................................................................................................................................3
Dimensions......................................................................................................................................................9
Symbols Used in this Manual.....................................................................................................................9
Indoor Unit..................................................................................................................................................9
Outdoor Unit.............................................................................................................................................10
Introduction ...................................................................................................................................................11
Symbols Used In This Manual..................................................................................................................11
Features ...................................................................................................................................................11
Installation .....................................................................................................................................................12
Installation Parts.......................................................................................................................................12
Installation Tools.......................................................................................................................................12
Installation Map ........................................................................................................................................13
Confirm The Refrigerant...........................................................................................................................14
Select The Best Location ........................................................................................................................15
Piping Length and Elevation.....................................................................................................................16
How to Mount Installation Plate................................................................................................................17
Drill a Hole in the Wall ..............................................................................................................................17
Flaring Work.............................................................................................................................................18
Connecting The Piping.............................................................................................................................19
Connection of The Drain Hose.................................................................................................................24
Connection of Piping -Outdoor.................................................................................................................24
Connection of The Cable..........................................................................................................................25
Checking The Drainage............................................................................................................................27
Forming The Piping..................................................................................................................................28
Air Purging ...............................................................................................................................................29
Air purging with Vacuum Pump ................................................................................................................29
Charging...................................................................................................................................................31
Test Running .................................................................................................................................................32
Operation ......................................................................................................................................................33
Function of Controls .................................................................................................................................33
Display Function ......................................................................................................................................37
Self-diagnosis Function............................................................................................................................37
Remote Control Operations......................................................................................................................38
Disassembly ..................................................................................................................................................39
Indoor Unit................................................................................................................................................39
Troubleshooting Guide ................................................................................................................................42
Refrigeration Cycle Diagram ....................................................................................................................42
2-way, 3-way Valve ..................................................................................................................................43
Cycle Parts...............................................................................................................................................49
Electronic Parts ........................................................................................................................................50
Schematic Diagram.......................................................................................................................................58
Electric Control Device.............................................................................................................................58
Wiring Diagram.........................................................................................................................................60
Components Location ..............................................................................................................................62
Product Specifications ................................................................................................................................65
Exploded View...............................................................................................................................................67
Replacement Parts List ................................................................................................................................69