Loading ...
Loading ...
Loading ...
7
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
TABLE OF CONTENTS
Safety Instructions ............................................................................. 3-6
General Data ..................................................................................... 8-14
Unit Nomenclature............................................................................... 8
Parts .................................................................................................... 9
6SHFL¿FDWLRQV ............................................................................... 10-13
Electrical............................................................................................ 14
General Installation Guidelines..................................................... 15-24
Outdoor Unit Location Selection................................................... 15-17
Required Outdoor Unit Clearances ................................................... 18
Rigging and Lifting / Outdoor Unit Mounting................................. 19-20
Required Indoor Unit Clearances ...................................................... 21
Indoor Unit Mounting .................................................................... 22-24
General Refrigerant Piping System .............................................. 25-34
Refrigerant Safety Stds / Device Connection Limitations .................. 25
Selecting Field Supplied Piping......................................................... 26
Copper Expansion and Contraction.............................................. 27-28
Piping Handling ................................................................................. 29
Refrigerant System Engineering................................................... 30-32
Flaring and Brazing Procedures................................................... 33-34
Refrigerant Piping Connections.................................................... 35-50
Installation Overview ......................................................................... 35
Special Applications........................................................................... 36
Outdoor Unit Connections ................................................................. 37
Indoor Unit Connections............................................................... 38-42
Outdoor Unit Condensate Drain Hose............................................... 43
Indoor Unit Condensate Drain Hose............................................. 44-47
Bundling............................................................................................. 48
Insulation ...................................................................................... 49-50
Electrical System Installation........................................................ 51-61
6DIHW\*XLGHOLQHV&RQQHFWLRQVDQG6SHFL¿FDWLRQV .................... 51-54
Controller Options.............................................................................. 55
Indoor Unit Electrical Connections ............................................... 56-59
Outdoor Unit Electrical Connections............................................. 60-61
Final Installation Procedures ........................................................ 62-72
Triple Leak / Pressure Test ........................................................... 62-63
Deep Evacuation Procedure......................................................... 63-64
Triple Evacuation Procedure ........................................................ 64-65
Refrigerant Trim Charge .................................................................... 66
Finishing the Job / Finalizing Wall-Mounted Installation .................... 67
Reattaching the Bottom Cover ......................................................... 68
Installing Batteries, Test Run, Performance Evaluation ..................... 69
Installer Modes ............................................................................. 70-71
Pump Down Procedure ..................................................................... 72
Troubleshooting ............................................................................. 73-77
LG Monitoring View (LGMV) Diagnostic Software ........................ 73-74
Error Codes ................................................................................. 75-76
Refrigerant Leaks .............................................................................. 77
Installation Checklist........................................................................... 78
Loading ...
Loading ...
Loading ...