LG MULTI V ARNU073BGA4 - Table of Contents

3
Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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TABLE OF CONTENTS
Safety Instructions .........................................................................4
Introduction .................................................................................... 9
Unit Nomenclature ....................................................................... 11
R410A Refrigerant ....................................................................... 12
General Data ...............................................................................13
Specications − High-Static BH Chassis ........................................... 13
Specications − High-Static BG Chassis ........................................... 14
Specications − High-Static BG Chassis ........................................... 15
Specications − High-Static BR/B8 Chassis...................................... 16
Specications − Low-Static B3/B4 Chassis ....................................... 18
Specications − Low-Static Ducted L1/L2/L3 Chassis ...................... 19
Specications − Vertical Air Handler NJ Chassis ............................... 20
Specications − Vertical Air Handler NK Chassis .............................. 21
Electrical − High-Static BH/BG/BR/B8 Chassis ................................. 22
Electrical − Low-Static Built-In B3/B4 Chassis .................................. 23
Electrical − Low-Static Ducted L1/L2/L3 Chassis .............................. 24
Dimensions – High-Static Ducted BH Chassis .................................. 25
Dimensions – High-Static Ducted BG Chassis .................................. 26
Dimensions – High-Static Ducted BR Chassis .................................. 27
Dimensions – High-Static Ducted B8 Chassis ................................... 28
Dimensions – Built-In Low-Static Ducted B3/B4 Chassis .................. 29
Dimensions – Low-Static Ducted L1/L2/L3 Chassis .......................... 30
Dimensions – Vertical Air Handler NJ Chassis .................................. 31
Dimensions – Vertical Air Handler NK Chassis.................................. 32
Refrigerant Piping Diagrams ............................................................. 33
General Installation Guidelines ....................................................34
Installation ...................................................................................35
Install Ducted IDU Chassis ................................................................ 35
Indoor Unit Dimensions ..................................................................... 36
Duct Connection Dimensions ............................................................ 37
Maintenance Clearances ................................................................... 38
Piping Connections ............................................................................ 39
Refrigerant Piping ........................................................................ 40
Condensate Piping ......................................................................44
Power and Control Wiring ............................................................46
Overview ............................................................................................ 46
Indoor Unit Communication Cable Connections ................................ 47
Indoor Unit Power Cable Connections .............................................. 50
DIP Switch Settings for Gen4 Equipment .......................................... 52
High-Static Ducted BH Chassis ......................................................... 53
High-Static Ducted BG Chassis ......................................................... 55
High-Static Ducted BR Chassis ......................................................... 57
High-Static Ducted B8 Chassis ......................................................... 59
Low-Static Ducted L1 Chassis ........................................................... 61
Low-Static Ducted L2/L3 Chassis ...................................................... 63
Low-Static Built-In B3/B4 Chassis ..................................................... 65
Vertical Air Handler NJ Chassis ......................................................... 67
Vertical Air Handler NK Chassis ........................................................ 69
Optional Wall-Mounted Sensor and Controller .................................. 71
Controls Setup ............................................................................. 72
Installation Checklist .................................................................... 76