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MULTI V ARNU073BGA4
LG MULTI V ARNU073BGA4 User Manual
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DUCTED INDOOR UNITS
INST
ALLA
TION MANUAL
High-Static Ducted Indoor Units
ARNU073BGA4
ARNU093BGA4
ARNU123BGA4
ARNU153BGA4
ARNU183BGA4
ARNU243BGA4
ARNU283BGA4
ARNU363BGA4
ARNU423BGA4
ARNU283BRA4
ARNU363BRA4
ARNU423BRA4
ARNU483BRA4
ARNU543BRA4
ARNU363B8A4
ARNU423B8A4
ARNU483B8A4
ARNU763B8A4
ARNU963B8A4
ARNU073BHA4
ARNU093BHA4
ARNU123BHA4
ARNU153BHA4
ARNU183BHA4
ARNU243BHA4
Built-In Ducted Indoor Units
ARNU073B3G4
ARNU093B3G4
ARNU123B3G4
ARNU153B3G4
ARNU183B4G4
ARNU243B4G4
V
ertical Air
Handler
Indoor Units
ARNU123NJA4
ARNU183NJA4
ARNU243NJA4
ARNU303NJA4
ARNU363NJA4
ARNU423NKA4
ARNU483NKA4
ARNU543NKA4
Low-Static Ducted Indoor Units
ARNU073L1G4
ARNU093L1G4
ARNU123L2G4
ARNU153L2G4
ARNU183L2G4
ARNU243L3G4
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 BH Chassis
13
Specifications − High-Static BG Chassis
14
Specifications − High-Static BG Chassis
15
Specifications − High-Static BR/B8 Chassis
16
Specifications − Low-Static B3/B4 Chassis
18
Specifications − Low-Static Ducted L1/L2/L3 Chassis
19
Specifications − Vertical Air Handler NJ Chassis
20
Specifications − 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
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LG MULTI V ARNU073BGA4 Specifications
General
Cooling Capacity
7.3 kW
Power Supply
220-240V, 50Hz, 1Ph
Power Source
Electric
Refrigerant
R410A
Outdoor Unit Noise Level
52 dB
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