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MULTI V ARNU243NJA4
LG MULTI V ARNU243NJA4 User Manual
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DUCTED INDOOR UNITS
INST
ALLA
TION MANUAL
High Static Ducted Indoor Units
ARNU363B8A4
ARNU423B8A4
ARNU483B8A4
ARNU763B8A4
ARNU963B8A4
Low-Static Ducted Indoor Units
ARNU073L1G4
ARNU093L1G4
ARNU123L2G4
ARNU153L2G4
ARNU183L2G4
ARNU243L3G4
High Static Ducted Indoor Units
ARNU073M2A4
ARNU093M2A4
ARNU123M2A4
ARNU153M2A4
ARNU183M2A4
ARNU243M2A4
ARNU283M3A4
Mid Static Ducted Indoor Units
ARNU073M1A4
ARNU093M1A4
ARNU123M1A4
ARNU153M1A4
ARNU183M1A4
ARNU243M1A4
ARNU283M2A4
ARNU363M2A4
ARNU423M2A4
ARNU483M3A4
ARNU543M3A4
V
ertical Air
Handling
Indoor Units
ARNU123NJA4
ARNU183NJA4
ARNU243NJA4
ARNU303NJA4
ARNU363NJA4
ARNU423NKA4
ARNU483NKA4
ARNU543NKA4
ARNU073MAA4
ARNU093MAA4
ARNU123MAA4
ARNU153MAA4
ARNU183MAA4
ARNU243MAA4
Convertible Mid Static Ducted Indoor Units
2
Table of Contents
Table of Contents
3
Safety Instructions
4
Introduction
9
Unit Nomenclature
11
R410A Refrigerant
12
General Data
13
Specifications − High-Static M2 Chassis
13
Specifications − High-Static M2 and M3 Chassis
14
Specifications − High-Static B8 Chassis
15
Specifications − Convertible MID-Static MA Chassis
16
Specifications − MID-Static M1 Chassis
17
Specifications − MID-Static M2 Chassis
18
Specifications − MID-Static M3 Chassis
19
Specifications − Low-Static Ducted L1/L2/L3 Chassis
20
Specifications − Vertical Air Handling Unit NJ Chassis
21
Specifications − Vertical Air Handling Unit NK Chassis
22
Electrical − MID and High-Static M1/M2/M3/B8 Chassis
23
Electrical − Low-Static Ducted L1/L2/L3 Chassis
24
Electrical − Vertical Air Handling Unit NJ/NK Chassis
25
Dimensions - High-Static Ducted B8 Chassis
26
Dimensions - MID and High-Static Ducted M2 Chassis
27
Dimensions - MID and High-Static Ducted M3 Chassis
28
Dimensions - MID-Static Ducted MA Chassis
29
Dimensions - MID-Static Ducted M1 Chassis
30
Dimensions - Low-Static Ducted L1/L2/L3 Chassis
31
Dimensions - Vertical Air Handling Unit NJ Chassis
32
Dimensions - Vertical Air Handling Unit NK Chassis
33
Refrigerant Piping Diagrams
34
Installation Guidelines
35
General Installation Guidelines
35
Install Ducted IDU Chassis
36
Indoor Unit Dimensions
37
Duct Connection Dimensions
38
Maintenance Clearances
39
Vertical Install for Convertible MID Static (MA Only)
40
General Mounting - V / H Air Handler Units
44
Piping Connections
46
Refrigerant Piping
47
Condensate Piping
51
Wiring
54
General Information / Separating Wiring and Cables
54
Power Wiring / Communication Cable Connections
55
Power Supply / Power Wiring Specifications
56
Communications Cable Specifications
57
Indoor Unit Communications Cable Connections
60
Connection Procedure
63
LGRED°, HRU Comp, and Gen 4 DIP Switch Settings
65
Controller and Opt. Wall-Mounted Sensor Install
66
High-Static Ducted B8 Chassis
67
MID-Static and High-Static Ducted M2 Chassis
69
MID-Static and High-Static Ducted M3 Chassis
71
Convertible MID-Static Ducted MA Chassis
73
MID-Static Ducted M1 Chassis
75
Low-Static Ducted L1 Chassis
77
Low-Static Ducted L2/L3 Chassis
79
Vertical Air Handling Unit NJ Chassis
81
Vertical Air Handling Unit NK Chassis
83
Controls Setup
85
Installation Checklist
90
Limited Warranty
92
4
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LG MULTI V ARNU243NJA4 Specifications
General
Brand
LG
Model
MULTI V ARNU243NJA4
Category
Air Conditioner
Language
English
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