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MULTI F MAX
LG MULTI F MAX Engineering Manual
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LG Electronics, U.S.A., Inc.
Commercial
Air Conditioning Division
1
1405 Old Roswell Road
Alpharetta, Georgia 30009
www
.lghvac.com
EM-MultiFIDU-01-15
Supersedes EM-MultiFIDU-06-14
Supersedes DFS-EM-AJ-002-US 014A03
Supersedes DFS-EM-AJ-002-US 013M09
Supersedes DFS-EM-AJ-002-US 013K30
20001747
ISO 9001: 2008
LG ELECTRONICS INC.
LG Electronics Products Support
1-888-865-3026 USA
Follow the prompts for HV
AC products.
223
Table of Contents
Default Chapter
3
Table of Contents
3
Convergence of Technology, Innovation, Flexibility, & Style
4
Product Introduction
5
Unit Nomenclature
6
Multi Fmulti Fmax
7
Outdoor Unit Overview
7
Indoor Unit Overview
8
Controls and Options Overview
9
Art Cool Mirror Indoor Units
16
Mechanical Specifications and Features
16
General Data / Specifications
17
Dimensions
18
Cooling Capacity Table
20
Heating Capacity Table
22
Acoustic Data
23
Air Velocity and Temperature Distribution
24
Air Velocity and Temperature Distribution
25
Refrigerant Flow Diagram
26
Wiring Diagram
27
Factory Supplied Parts and Materials
29
Installation and Best Layout Practices
30
Preparing for Installation
31
Art Cool Gallery Indoor Units
38
Mechanical Specifications and Features
38
General Data / Specifications
39
Dimensions
40
Cooling Capacity Table
41
Heating Capacity Table
42
Acoustic Data
43
Air Velocity and Temperature Distribution
44
Refrigerant Flow Diagram
45
Wiring Diagram
46
Factory Supplied Parts and Materials
47
Installation and Best Layout Practices
48
Standard Wall-Mounted Indoor Units
58
Mechanical Specifications and Features
58
General Data / Specifications
59
Dimensions
60
Cooling Capacity Table
64
Heating Capacity Table
67
Acoustic Data
69
Air Velocity and Temperature Distribution
71
Refrigerant Flow Diagram
74
Wiring Diagram
75
Factory Supplied Parts and Materials
79
Installation and Best Layout Practices
80
Duct (Low Static) Indoor Units
90
Mechanical Specifications and Features
90
General Data / Specifications
91
Dimensions
92
Cooling Capacity Table
93
Heating Capacity Table
95
External Static Pressure
96
Acoustic Data
97
Refrigerant Flow Diagrams
98
Indoor Unit
99
Wiring Diagram
100
Factory Supplied Parts and Materials
101
Installation and Best Layout Practices
102
Duct (High Static) Indoor Units
112
Mechanical Specifications and Features
112
General Data / Specifications
113
Dimensions
114
Cooling Capacity Table
115
Heating Capacity Table
116
External Static Pressure / Acoustic Data
117
Refrigerant Flow Diagrams
118
Wiring Diagrams
119
Factory Supplied Parts and Materials / Installation
120
Installation and Best Layout Practices
121
Four-Way Ceiling Cassette Indoor Units
130
Mechanical Specifications and Features
130
General Data / Specifications
131
Dimensions
132
Dimensions
133
Cooling Capacity Table
134
Heating Capacity Table
136
Acoustic Data
138
Air Velocity and Temperature Distribution
140
Refrigerant Flow Diagram
142
Wiring Diagram
143
Factory Supplied Parts and Materials
144
Installation and Best Layout Practices
145
Vertical-Horizontal Indoor Units
154
Mechanical Specifications and Features
154
General Data / Specifications
155
Dimensions
156
Cooling Capacity Table
157
Heating Capacity Table
158
External Static Pressure
159
Acoustic Data
160
Refrigerant Flow Diagram
161
Wiring Diagram
162
Factory Supplied Parts and Materials
164
Installation and Best Layout Practices
165
Horizontal Installation
166
Refrigerant Piping Insulation
168
174 | Application Guidelines
174
Equipment Selection Procedure
174
Building Ventilation Design Guide
180
Placement Considerations
185
Refrigerant Piping
191
Refrigerant Piping Design
192
Design Guideline Summary
192
Design Guideline Summary
193
Creating a Balanced System / Manual Layout Procedure
194
LG Engineered Multi F MAX Y-Branch Kit
195
Refrigerant Charge
196
Installation & Layout Best Practices
199
Selecting Field-Supplied Copper Tubing
199
Refrigerant Piping System Layout
200
Pipe Sleeves at Penetrations
203
Underground Refrigerant Piping
203
Piping Insulation
208
Condensate Drain Piping
209
Y-Branch Kit
211
Wiring Connections
214
General Information
214
Power Wiring (208-230V) and Communications Cable Details
217
Indoor Unit Group Control
222
Acronyms
223
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LG MULTI F MAX Specifications
General
Brand
LG
Model
MULTI F MAX
Category
Air Conditioner
Language
English
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