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ARUM121BTE5
LG ARUM121BTE5 User Manual
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INST
ALLA
TION MANUAL
V
ariable Refrigerant Flow Outdoor Units
6.0 to 42.0
T
ons
2
Table of Contents
Default Chapter
1
Installation Manual
1
Table of Contents
3
Safety Precautions
4
Safety Precautions
7
Unit Nomenclature
8
Outdoor Unit Specifications
9
208-230V Outdoor Units
9
460V Outdoor Units
14
Electrical Data
19
208-230V Outdoor Unit Electrical Data
19
460V Outdoor Unit Electrical Data
20
Heat Recovery Specifications / Electrical Data
21
Outdoor Unit Dimensions
22
Outdoor Unit Dimensions
25
Heat Recovery Unit Dimensions
26
Transporting / Lifting
29
Placement Considerations
30
Selecting the Best Location for the Outdoor Unit(S)
30
Outdoor Unit Clearance Requirements
32
Installing Outdoor Units Indoors
33
Installing Outdoor Units Indoors
34
Installing and Setting Outdoor Units in Dual / Triple Frame Systems
35
Selecting the Best Location / Clearance Requirements for the Heat Recovery Unit(S)
36
Placement Considerations
37
Mounting / Anchoring the Outdoor Unit(S)
40
Mounting / Anchoring the Heat Recovery Unit(S)
40
General Refrigerant Piping System Information
41
LG Air Conditioner Technical Solution (LATS)
41
Refrigerant Safety Standards / Device Connection Limitations
43
Selecting Copper Piping
44
Copper Expansion and Contraction
45
Piping Handling
48
Refrigerant System Engineering
49
Flaring and Brazing Procedures
52
Installing for Heat Pump Operation
54
Indoor Unit Y-Branch Kits
55
Outdoor Unit Y-Branch Kits
56
Installing for Heat Pump Operation
56
Header Kits
58
Sample Layouts
60
Piping Connections / Pipe Routes
64
Knock Outs
65
Removing the Leak Prevention Caps
66
Service Ports
67
Installing for Heat Recovery Operation
68
Indoor Unit Y-Branch Kits
69
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
69
Outdoor Unit Y-Branch Kits
70
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
71
Header Kits
72
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
72
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
73
Heat Recovery Units
74
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
74
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
76
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
77
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
78
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
79
Sample Layouts
80
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
80
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
81
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
82
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
83
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
84
Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification
85
Piping Connections / Pipe Routes
86
Knock Outs
87
Removing the Leak Prevention Caps
88
Service Ports
89
Refrigerant Piping for Separated Outdoor Units
90
Insulation
93
Electrical
96
General Information
96
Power Wiring and Communication Cable Terminations
98
Main Power Wiring
98
Terminal Block
98
Power Wiring and Communication Cable Connections
100
Power Wiring and Communication Cable System Layout
101
Power Supply / Power Wiring Specifications
102
Power Supply / Power Wiring Specifications
105
Communication Cable Specifications
106
Electrical
110
Pre-Commissioning
111
Triple Leak / Pressure Check
111
Triple Evacuation Procedure
114
Vacuum Mode (Option)
117
Pre-Commissioning Start / Outdoor Unit DIP Switch Settings
118
DIP Switch Settings for Use with Gen 4 Indoor Units
119
Setting the Optional Modes
121
Self Diagnostics Check
135
Indoor Unit Auto Addressing
136
Group Controlling Indoor Units
138
Indoor Unit Auto Addressing
138
Central Control
139
Central Control
141
Addressing with Heat Recovery Units
142
Addressing with Heat Recovery Units
153
Temperature Sensing Location
154
Setting External Static Pressure
155
Temperature Sensing Location
155
Package Pre-Commissioning Documents / Initiate a Request
157
Error Codes
158
Error Codes
159
LG Monitoring View (LGMV) Diagnostic Software
169
Maintenance Recommendations
171
Installation Checklist
174
Checklists
176
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LG ARUM121BTE5 Specifications
General
Airflow Rate (Indoor, CFM)
424
Refrigerant Type
R410A
Refrigerant
R410A
Air Flow (Indoor)
424 CFM
Capacity (Cooling, Btu/hr)
12000
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