LG MULTI F LAN090HSV4 User Manual

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Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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TABLE OF CONTENTS
CONTENTS
Safety Instructions ........................................................................................................................................... 4
Introduction ...................................................................................................................................................... 9
Unit Nomenclature ......................................................................................................................................... 11
General Data ................................................................................................................................................. 12
Specications ............................................................................................................................................................. 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 Specications and Best Practices ........................................................................................................ 39
Power Wiring Specications and Best Practices/Controller Options 40
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

LG MULTI F LAN090HSV4 Specifications

General

Brand	LG
Model	MULTI F LAN090HSV4
Category	Air Conditioner
Language	English