7
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TABLE OF CONTENTS
Safety Instructions .............................................................................3-6
General Data .....................................................................................8-11
Unit Nomenclature ...............................................................................8
Parts .................................................................................................... 9
6SHFL¿FDWLRQV .................................................................................... 10
Electrical .............................................................................................11
General Installation Guidelines .....................................................12-20
Outdoor Unit Location Selection ...................................................12-14
Required Outdoor Unit Clearances ................................................... 15
Rigging and Lifting ............................................................................. 16
Outdoor Unit Mounting .................................................................16-17
Required Indoor Unit Clearances ...................................................... 18
Indoor Unit Mounting ....................................................................19-20
General Refrigerant Piping System Information .........................21-30
Refrigerant Safety Standards ............................................................ 21
Device Connection Limitations .......................................................... 21
Selecting Copper Piping .................................................................... 22
Copper Expansion and Contraction ..............................................23-24
Piping Materials and Handling ........................................................... 25
Refrigerant System Engineering ...................................................26-28
Flaring and Brazing Procedures ...................................................29-30
Refrigerant Piping Connections ....................................................31-41
Installation Overview ......................................................................... 31
Special Applications .......................................................................... 32
Outdoor Unit Connections ................................................................. 33
Indoor Unit Connections ...............................................................34-36
Outdoor Unit Drain Piping .................................................................. 37
Indoor Unit Drain Hose .................................................................37-39
Bundling ............................................................................................. 39
Insulation ...................................................................................... 40-41
Electrical System Installation ........................................................42-50
Safety Guidelines .............................................................................. 42
&RQQHFWLRQVDQG6SHFL¿FDWLRQV ...................................................42-45
Controller Options .............................................................................. 46
Indoor Unit Electrical Connections ...............................................47-48
Outdoor Unit Electrical Connections .............................................49-50
Final Installation Procedures ........................................................51-59
Triple Leak / Pressure Test ..........................................................51-52
Deep Evacuation Test ..................................................................52-53
Triple Evacuation Test ..................................................................53-54
Refrigerant Trim Charge ................................................................... 55
Finishing the Job .............................................................................. 55
Reattaching the Indoor Unit Bottom Cover ....................................... 56
Installing Batteries, Test Run, Performance Evaluation ..................... 57
Installer Mode, Cooling Only Mode ................................................... 58
Pump Down Procedure ..................................................................... 59
Troubleshooting .............................................................................60-64
LG SIMS - Self Diagnosis Functions ...........................................60-61
Error Codes .................................................................................62-63
Refrigerant Leaks .............................................................................. 64
Installation Checklist ...........................................................................65
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