Table Of Contents - LG LA090HYV3 Installation Manual

Safety Instructions ............................................................................. 3-6
General Data ..................................................................................... 8-12
Unit Nomenclature ............................................................................... 8
Parts .................................................................................................... 9
............................................................................... 10-11
Electrical ............................................................................................ 12
General Installation Guidelines ..................................................... 13-22
Outdoor Unit Location Selection ................................................... 13-15
Required Outdoor Unit Clearances ................................................... 16
Rigging and Lifting / Outdoor Unit Mounting ...................................... 17
Outdoor Unit Mounting ...................................................................... 18
Required Indoor Unit Clearances ...................................................... 19
Indoor Unit Mounting .................................................................... 20-22
General Refrigerant Piping System .............................................. 23-32
Refrigerant Safety Stds / Device Connection Limitations .................. 23
Selecting Field Supplied Piping ......................................................... 24
Copper Expansion and Contraction .............................................. 25-26
Piping Handling ................................................................................. 27
Refrigerant System Engineering ................................................... 28-30
Flaring and Brazing Procedures ................................................... 31-32
Refrigerant Piping Connections .................................................... 33-48
Installation Overview ......................................................................... 33
Special Applications ........................................................................... 34
Outdoor Unit Connections ................................................................. 35
Indoor Unit Connections ............................................................... 36-40
Outdoor Unit Condensate Drain Hose ............................................... 41
Indoor Unit Condensate Drain Hose ............................................. 42-45
Bundling ............................................................................................. 46
Insulation ...................................................................................... 47-48
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TABLE OF CONTENTS

Electrical System Installation ........................................................ 49-59
Controller Options .............................................................................. 53
Indoor Unit Electrical Connections ............................................... 54-57
Outdoor Unit Electrical Connections ............................................. 58-59
Final Installation Procedures ........................................................ 60-70
Triple Leak / Pressure Test ........................................................... 60-61
Deep Evacuation Procedure ......................................................... 61-62
Triple Evacuation Procedure ........................................................ 62-63
Refrigerant Trim Charge .................................................................... 64
Finishing the Job ............................................................................... 65
Finalizing Wall-Mounted Installation .................................................. 65
Reattaching the Bottom Cover ......................................................... 66
Installing Batteries, Test Run, Performance Evaluation ..................... 67
Installer Modes ............................................................................. 68-69
Pump Down Procedure ..................................................................... 70
Troubleshooting ............................................................................. 71-76
LG Monitoring View (LGMV) Diagnostic Software ........................ 71-72
LG SIMS - Self Diagnosis Functions ........................................... 73-73
Error Codes ................................................................................. 75-76
Refrigerant Leaks .............................................................................. 77
Installation Checklist ........................................................................... 78
......................... 49
................................................... 50-53
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