LG Multi V 5 Engineering Manual

TABLE OF CONTENTS
TABLE OF SYMBOLS
DANGER
This symbol indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING
This symbol indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION
This symbol indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
This symbol indicates situations that may result in equipment or property damage accidents only.
This symbol indicates an action that should not be performed.
Unit Nomenclature ........................................................................................................................................................................................4
LG Air Conditioner Technical Solution (LATS) .........................................................................................................................................5-6
Outdoor Unit Product Data ......................................................................................................................................................................7-73
Mechanical Specifications ........................................................................................................................................................................8-9
Features .....................................................................................................................................................................................................9
General Data .......................................................................................................................................................................................10-19
Electrical Data .....................................................................................................................................................................................20-21
Connection Limitations ..............................................................................................................................................................................22
Dimensions ..........................................................................................................................................................................................23-26
Wiring Diagrams ..................................................................................................................................................................................27-34
Refrigerant Flow Diagrams ...................................................................................................................................................................35-60
Acoustic Data ......................................................................................................................................................................................61-66
Accessories .........................................................................................................................................................................................67-73
Heat Recovery Unit Product Data .........................................................................................................................................................74-82
Mechanical Specifications .........................................................................................................................................................................75
General Data ............................................................................................................................................................................................76
Electrical Data ..........................................................................................................................................................................................76
Dimensions ..........................................................................................................................................................................................77-79
Wiring Diagram .........................................................................................................................................................................................80
Refrigerant Flow Diagram .........................................................................................................................................................................81
Accessories ..............................................................................................................................................................................................82
Electrical Connections ..........................................................................................................................................................................83-86
System for Heat Pump Operation ..............................................................................................................................................................84
System for Heat Recovery Operation ........................................................................................................................................................85
DIP Switch Settings For Use With Gen 4 Indoor Units ...............................................................................................................................86
Placement Considerations ..................................................................................................................................................................87-103
Piping Limitations ................................................................................................................................................................................. 88-93
Refrigerant Piping for Separated Outdoor Units ................................................................................................................................... 94-96
Selecting the Best Location for Outdoor Unit(s) .................................................................................................................................... 97-98
Outdoor Unit Clearance Requirements ................................................................................................................................................99-100
Installing Outdoor Units Indoors ........................................................................................................................................................100-101
Selecting the Best Location / Clearance Requirements for Heat Recovery Unit(s) ............................................................................ 102-103

LG Multi V 5 Specifications

General

Type	VRF (Variable Refrigerant Flow)
Refrigerant	R410A
Compressor Type	Inverter Scroll Compressor
Outdoor Unit Fan Type	Axial Fan
Cooling Capacity	22.4 kW to 270 kW
Energy Efficiency	High
Operating Range	Cooling: -5°C to 48°C
Power Supply	380-415V, 50/60Hz
Heat Exchanger Type	Microchannel
Control Type	Centralized Control
Indoor Unit Options	Cassette, Wall Mounted, Ducted
Heat Recovery	Available
Warranty	Varies by region (typically 5 years compressor, 1-2 years parts)