Lg Electronics LS090HP(AS-H091E1H0) Manual Do Utilizador
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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Only for training and service purposes
LGE Internal Use Only
Air Conditioner Service Manual
TABLE OF CONTENTS
Safety Precautions..........................................................................................................................................3
Dimensions......................................................................................................................................................9
Dimensions......................................................................................................................................................9
Symbols Used in this Manual .....................................................................................................................9
Indoor Unit..................................................................................................................................................9
Outdoor Unit .............................................................................................................................................11
Indoor Unit..................................................................................................................................................9
Outdoor Unit .............................................................................................................................................11
Installation .....................................................................................................................................................14
Selection of the Best Location..................................................................................................................17
Piping Length and Elevation.....................................................................................................................18
How to Fix Installation Plate .....................................................................................................................19
Drill a Hole in the Wall ..............................................................................................................................19
Drain hose junction...................................................................................................................................19
Piping Length and Elevation.....................................................................................................................18
How to Fix Installation Plate .....................................................................................................................19
Drill a Hole in the Wall ..............................................................................................................................19
Drain hose junction...................................................................................................................................19
Flaring work and connection of piping .......................................................................................................20
Flaring work..............................................................................................................................................20
Connection of Piping Indoor .....................................................................................................................21
Connection of the Pipes-Outdoor .............................................................................................................26
Connection of Piping Indoor .....................................................................................................................21
Connection of the Pipes-Outdoor .............................................................................................................26
Connecting the cable between indoor unit and outdoor unit ...................................................................27
Connect the Cable....................................................................................................................................27
Checking the drainage and forming the pipings........................................................................................29
Checking the Drainage.............................................................................................................................29
Form the Piping ........................................................................................................................................30
Form the Piping ........................................................................................................................................30
AIR PURGING ................................................................................................................................................31
Air purging ................................................................................................................................................31
Air purging with vacuum pump .................................................................................................................31
Air purging with vacuum pump .................................................................................................................31
Test Running .................................................................................................................................................34
Operation .......................................................................................................................................................35
Operation .......................................................................................................................................................35
Function of Controls .................................................................................................................................35
Display Function ......................................................................................................................................39
Self-diagnosis Function ............................................................................................................................39
Remote Control Operations......................................................................................................................40
Display Function ......................................................................................................................................39
Self-diagnosis Function ............................................................................................................................39
Remote Control Operations......................................................................................................................40
Disassembly ..................................................................................................................................................41
Indoor Unit................................................................................................................................................41
Troubleshooting Guide .................................................................................................................................44
Refrigeration Cycle Diagram ....................................................................................................................44
2-way, 3-way Valve .................................................................................................................................45
Cycle Parts ...............................................................................................................................................51
Electronic Parts ........................................................................................................................................52
2-way, 3-way Valve .................................................................................................................................45
Cycle Parts ...............................................................................................................................................51
Electronic Parts ........................................................................................................................................52
Schematic Diagram.......................................................................................................................................62
Electric Control Device .............................................................................................................................62
Wiring Diagram.........................................................................................................................................65
Components Location ..............................................................................................................................67
Wiring Diagram.........................................................................................................................................65
Components Location ..............................................................................................................................67
Product Specifications .................................................................................................................................72
Exploded View...............................................................................................................................................74
Exploded View...............................................................................................................................................74