Engineering Manual
Table Of Contents
- Convergence of Technology, Innovation, Flexibility, & Style
- Unit Nomenclature
- Outdoor Unit Overview
- Indoor Unit Overview
- Controls and Options Overview
- Art Cool Mirror Indoor Units
- General Data / Specifications
- Dimensions
- Cooling Capacity Table
- Heating Capacity Table
- Acoustic Data
- Air Velocity and Temperature Distribution
- Refrigerant Flow Diagram
- Wiring Diagram
- Factory Supplied Parts and Materials
- Installation and Best Layout Practices
- Art Cool Gallery Indoor Units
- General Data / Specifications
- Dimensions
- Cooling Capacity Table
- Heating Capacity Table
- Acoustic Data
- Air Velocity and Temperature Distribution
- Refrigerant Flow Diagram
- Wiring Diagram
- Factory Supplied Parts and Materials
- Installation and Best Layout Practices
- Standard Wall-Mounted Indoor Units
- General Data / Specifications
- Dimensions
- Cooling Capacity Table
- Heating Capacity Table
- Acoustic Data
- Air Velocity and Temperature Distribution
- Refrigerant Flow Diagram
- Wiring Diagram
- Factory Supplied Parts and Materials
- Installation and Best Layout Practices
- Duct (Low Static) Indoor Units
- General Data / Specifications
- Dimensions
- Cooling Capacity Table
- Heating Capacity Table
- External Static Pressure
- Acoustic Data
- Refrigerant Flow Diagrams
- Wiring Diagram
- Factory Supplied Parts and Materials
- Installation and Best Layout Practices
- Duct (High Static) Indoor Units
- General Data / Specifications
- Dimensions
- Cooling Capacity Table
- Heating Capacity Table
- External Static Pressure / Acoustic Data
- Refrigerant Flow Diagrams
- Wiring Diagrams
- Factory Supplied Parts and Materials / Installation
- Installation and Best Layout Practices
- Four-Way Ceiling Cassette Indoor Units
- General Data / Specifications
- Dimensions
- Dimensions
- Cooling Capacity Table
- Heating Capacity Table
- Acoustic Data
- Air Velocity and Temperature Distribution
- Refrigerant Flow Diagram
- Wiring Diagram
- Factory Supplied Parts and Materials
- Installation and Best Layout Practices
- Vertical-Horizontal Indoor Units
- General Data / Specifications
- Dimensions
- Cooling Capacity Table
- Heating Capacity Table
- External Static Pressure
- Acoustic Data
- Refrigerant Flow Diagram
- Wiring Diagram
- Factory Supplied Parts and Materials
- Installation and Best Layout Practices
- Equipment Selection Procedure
- Building Ventilation Design Guide
- Placement Considerations
- Refrigerant Piping Design
- Design Guideline Summary
- Creating a Balanced System / Manual Layout Procedure
- LG Engineered Multi F MAX Y-Branch Kit
- Refrigerant Charge
- Installation & Layout Best Practices
- Refrigerant Piping System Layout
- Piping Insulation
- Condensate Drain Piping
- Y-Branch Kit
- Wiring Connections
- Power Wiring (208-230V) and Communications Cable Details
- Indoor Unit Group Control
- Acronyms
Due to our policy of continuous product innovation, some specications may change without notication.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
8 | INTRODUCTION
Multi F and Multi F MAX Indoor Unit Engineering Manual
MULTI
F
MAX
MULTI
F
INDOOR UNIT OVERVIEW
1
Model number shows nominal capacity and frame size designator.
2
Nominal capacity rating obtained with air entering the indoor unit at 80ºF dry bulb (DB) and 67ºF wet bulb (WB) and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB).
3
H/M/L = High/Medium/Low.
Indoor Unit Type
Model
Number
1
Dimensions
(W x H x D)
(inches)
Nominal
Cooling
Capacity Btu/h
2
Air Flow Rate
(CFM)
(H/M/L
3
)
Net
Weight
(lbs.)
Pipe
Connections
(inches, O.D.)
(Liquid, Vapor)
Art Cool
TM
Mirror Wall-Mounted
LMAN097HVT
35-1/4 × 11-3/8 × 8-1/16
9,000 247 / 230 / 212
25 1/4, 3/8
LMAN127HVT 12,000 335 / 318 / 300
LMAN187HVT 40-9/16 x 12-25/32 x 9-21/32 18,000 572 / 501 / 434 35 1/4, 1/2
Art Cool
TM
Gallery Wall-Mounted
LMAN097HVP
23-5/8 x 23-5/8 x 5-25/32
9,000 272 / 208 / 155
32 1/4, 3/8
LMAN127HVP 11,200 314 / 258 / 198
Standard Wall-Mounted
LMN077HVT 35-1/4 x 11-3/8 x 8-9/32 7,000 198 / 177 / 162 23 1/4, 3/8
LSN090HSV4 34-7/8 x 11-1/4 x 8-1/4 9,000 247 / 230 / 212 20 1/4, 3/8
LSN120HSV4 34-7/8 x 11-1/4 x 8-1/4 12,000 335 / 318 / 300 20 1/4, 3/8
LMN157HVT 35-1/4 x 11-3/8 x 8-9/32 14,300 371 / 318 / 247 23 1/4, 3/8
LSN180HSV4 40-9/16 x 12-13/16 x 9-13/16 18,000 572 / 501 / 434 31 3/8, 5/8
LMN247HVT 40-9/16 x 12-25/32 x 9-27/32 24,000 720 / 600 / 466 32 1/4, 1/2
Ceiling-Concealed Duct
(Low Static)
LMDN096HV 27-9/16 x 7-15/32 x 27-9/16 9,000 318 / 247 / 194 39
1/4, 3/8
LMDN126HV
35-7/16 x 7-15/32 x 27-9/16
12,000 353 / 300 / 247
51
LMDN186HV 18,000 530 / 441 / 353 1/4, 1/2
Ceiling-Concealed Duct
(High Static)
LMHN240HV
46-17/32 x 11-23/32 x 17-23/32
24,000 688 / 618 / 530 80 1/4, 1/2
LMHN360HV 36,000 1,130 / 953 / 706 91 3/8, 5/8
Four-Way Ceiling-Cassette
LMCN077HV
Body: 22-7/16 x 8-7/16 x 22-7/16
Panel: 27-9/16 x 7/8 x 27-9/16
7,000 265 / 212 / 177
31 (Body),
7 (Panel)
1/4, 3/8LMCN097HV 9,000 300 / 265 / 230
LMCN125HV 12,000 335 / 283 / 247
LMCN185HV
Body: 22-7/16 x 10-3/32 x 22-7/16
Panel: 27-9/16 x 7/8 x 27-9/16
18,000 459 / 424 / 388
34 (Body),
7 (Panel)
1/4, 1/2
Vertical-
Horizontal
Air Handling
LMVN240HV
18 x 48-21/32 x 21-1/4
24,000 710 / 640 / 480 117 1/4, 1/2
LMVN360HV 36,000 990 / 880 / 800 121 3/8, 5/8
Table 2: Summary Data—Multi F Indoor Units.