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MULTI V ARNU073M1A4
LG MULTI V ARNU073M1A4 User Manual
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DUCTED INDOOR UNITS
INST
ALLA
TION MANUAL
High-Static Ducted Indoor Units
ARNU363B8A4
ARNU423B8A4
ARNU483B8A4
ARNU763B8A4
ARNU963B8A4
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
High-Static Ducted Indoor Units
ARNU073M1A4
ARNU093M1A4
ARNU123M1A4
ARNU153M1A4
ARNU183M1A4
ARNU243M1A4
ARNU073M2A4
ARNU093M2A4
ARNU123M2A4
ARNU153M2A4
ARNU183M2A4
ARNU243M2A4
ARNU283M2A4
ARNU363M2A4
ARNU423M2A4
ARNU283M3A4
ARNU363M3A4
ARNU423M3A4
ARNU483M3A4
ARNU543M3A4
2
Table of Contents
Default Chapter
3
Table of Contents
3
Safety Instructions
4
Unit Nomenclature
11
R410A Refrigerant
12
General Data
13
Specifications − High-Static M1 Chassis
13
Specifications − High-Static M2 Chassis
14
Specifications − High-Static M3 Chassis
16
Specifications − High-Static B8 Chassis
17
Specifications − Low-Static Ducted L1/L2/L3 Chassis
18
Specifications − Vertical Air Handler NJ Chassis
19
Specifications − Vertical Air Handler NK Chassis
20
Electrical − High-Static M1/M2/M3/B8 Chassis
21
Electrical − Low-Static Ducted L1/L2/L3 Chassis
22
Electrical − Vertical Air Handling Unit NJ/NK Chassis
23
Dimensions - High-Static Ducted M1 Chassis
24
Dimensions - High-Static Ducted M2 Chassis
25
Dimensions - High-Static Ducted M3 Chassis
26
Dimensions - High-Static Ducted B8 Chassis
27
Dimensions - Low-Static Ducted L1/L2/L3 Chassis
28
Dimensions - Vertical Air Handler NJ Chassis
29
Dimensions - Vertical Air Handler NK Chassis
30
Refrigerant Piping Diagrams
31
General Installation Guidelines
32
Installation
33
Install Ducted IDU Chassis
33
Indoor Unit Dimensions
34
Duct Connection Dimensions
35
Maintenance Clearances
36
General Mounting - Vertical / Horizontal Air Handler Units
37
Piping Connections
39
Refrigerant Piping
40
Condensate Piping
44
Wiring
46
General Information / Separating Wiring and Cables
46
Power Wiring / Communication Cable Connections
47
Power Supply / Power Wiring Specifications
48
Communications Cable Specifications
49
Indoor Unit Communications Cable Connections
52
Connection Procedure
54
LGRED°, HRU Compatibility, and Gen 4 DIP Switch Settings
56
Controller and Optional Wall-Mounted Sensor Installation
57
High-Static Ducted M1 Chassis
58
High-Static Ducted M2 Chassis
60
High-Static Ducted M3 Chassis
62
High-Static Ducted B8 Chassis
64
Low-Static Ducted L1 Chassis
66
Low-Static Ducted L2/L3 Chassis
68
Vertical Air Handler NJ Chassis
70
Vertical Air Handler NK Chassis
72
Controls Setup
74
Installation Checklist
79
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LG MULTI V ARNU073M1A4 Specifications
General
Brand
LG
Model
MULTI V ARNU073M1A4
Category
Air Conditioner
Language
English
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