Table Of Contents - LG MULTI F LAN090HSV4 Installation Manual

F
MULTI
F
MULTI MAX
Safety Instructions ........................................................................................................................................... 4
Introduction ...................................................................................................................................................... 9
Unit Nomenclature ......................................................................................................................................... 11
General Data ................................................................................................................................................. 12
Specifications ............................................................................................................................................................. 13
Typical Multi F/Multi F Max Systems .......................................................................................................................... 15
Refrigerant Piping Requirements ............................................................................................................................... 17
General Installation Guidelines ...................................................................................................................... 18
Location Selection ...................................................................................................................................................... 18
Inspection ................................................................................................................................................................... 19
Refrigerant Piping ....................................................................................................................................................... 22
Piping Materials and Handling .................................................................................................................................... 30
Piping Preparation ...................................................................................................................................................... 31
Piping Connections ........................................................................................................................................ 32
IDU to ODU ................................................................................................................................................................ 32
Piping Insulation ......................................................................................................................................................... 35
Drain Piping ................................................................................................................................................................ 37
Electrical Wiring ............................................................................................................................................. 38
Power Wiring Specifications and Best Practices ........................................................................................................ 39
Power Wiring Specifications and Best Practices/Controller Options
Indoor Unit Electrical Connections Guidelines ........................................................................................................... 41
Indoor Unit Electrical Connections Procedure ............................................................................................................ 42
Self Diagnosis Functions ........................................................................................................................................... 44
LG SIMS - Self Diagnosis Functions ......................................................................................................................... 46
Optional Wall-Mounted Sensor and Controller ........................................................................................................... 48
Troubleshooting ............................................................................................................................................. 49
Error Codes ............................................................................................................................................................... 49
Cautions for Refrigerant leaks ....................................................................................................................... 51
Refrigerant Leaks ....................................................................................................................................................... 51
Installation Checklist ...................................................................................................................................... 52
CONTENTS
Due to our policy of continuous product innovation, some specifications may change without notification.
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