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TABLE OF CONTENTS
Safety Instructions ................................................................................ 3
General Data ..........................................................................................8
Unit Nomenclature ............................................................................... 8
Single =one High Ef¿ciency Unit Speci¿cations .................................. 9
Single =one Standard Unit Speci¿cations ......................................... 10
Single =one Extended Pipe Unit Speci¿cations .................................11
Single =one 0ega Unit Speci¿cations .......................................... 12-13
Single =one 0ega 1159 Unit Speci¿cations ...................................... 14
Electrical ............................................................................................ 15
R410A Refrigerant ............................................................................. 16
General Installation Guidelines .......................................................... 17
Location Selection ............................................................................. 17
Oceanside Applications ..................................................................... 18
Mounting Bolt Location ...................................................................... 19
Required Clearances .................................................................... 19-20
Mounting of Indoor Unit Installation Plate ..................................... 21-25
Mounting of Indoor Unit ..................................................................... 26
Piping Preparation ............................................................................. 27
Piping Materials and Handling ...................................................... 28-33
Piping Support, Elbow Usage ............................................................ 33
Refrigerant Piping System Layout ..................................................... 35
Refrigerant Piping Connections ......................................................... 36
Refrigerant Piping System Limitations ............................................... 36
Installation Overview ......................................................................... 38
Directional Pipe Formation ................................................................ 39
Drain Hose ......................................................................................... 40
Outdoor Unit Connections ............................................................ 41-42
Indoor Unit Connections .................................................................... 43
Indoor Unit Connections - Conduit Bracket Placement ..................... 44
Bundling and Cutting Line ................................................................. 45
Refrigerant Piping Insulation ........................................................ 46-48
Air Purging ......................................................................................... 49
Leak Test/Soap Method Check .......................................................... 50
Evacuation of Lines ........................................................................... 51
Finishing Up ....................................................................................... 51
Remote Controller ............................................................................. 51
Pump Down, Cooling Only Mode ...................................................... 52
Electrical Wiring ..................................................................................53
General Information and Safety Guidelines ....................................... 53
Power :iring Speci¿cations and Best Practices .......................... 53-55
Controllers ......................................................................................... 55
Indoor Unit Electrical Connections ............................................... 56-60
Outdoor Unit Electrical Connections ............................................. 61-65
Self Diagnosis Functions ............................................................. 66-67
LG SIMS - Self Diagnosis Functions ........................................... 68-69
Troubleshooting .................................................................................. 70
Error Codes ................................................................................. 70-72
Refrigerant Leaks .............................................................................. 73
Installation Checklist ........................................................................... 74
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