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
Air Velocity and Temperature Distribution
FOUR-WAY CEILING-CASSETTE INDOOR UNITS
Figure 191:LMCN077HV Air Velocity and Temperature Distribution Charts.
Figure 192:LMCN097HV Air Velocity and Temperature Distribution Charts.
Cooling Heating
Discharge angle: 40°
Air velocity [ft/s]
Temperature [°F]
6.6
6.6
4.9
4.9
3.3
3.3
1.6
1.6
54
68
72
75
54
68
72
75
Discharge angle: 50°
Air velocity [ft/s]
Temperature [°F]
9191
8181
75
75
70
64
70
64
6.6
4.9
3.3
1.6
6.6
4.9
3.3
1.6
9f t
7f t
3f t
0f t
9f t
7f t
3f t
0f t
5f t5ft8f t8ft0f t
9f t
7f t
3f t
0f t
5f
t5
ft8f
t8
ft0f t
9f t
7f t
3f t
0f t
5f
t5
ft8f
t8
ft0f t
5f t5ft8f t8ft0f t
Cooling Heating
Discharge angle: 40°
Air velocity [ft/s]
Temperature [°F]
9f t
7f t
3f t
0f t
0f t
5f t5ft8f t8ft0f t
9f t
7f t
3f t
0f t
5f t5ft8f
t8
ft0f t
9f t
7f t
3f t
5f t5ft8f t8ft0f t
0f t
9f t
7f t
3f t
5f t5ft8f
t8
ft0f t
6.66.6
4.94.9
3.33.3
1.61.6
6464
6868
7272
7575
Discharge angle: 50°
Air velocity [ft/s]
Temperature [°F]
6.66.6
4.94.9
3.33.3
1.61.6
9191
8686
8181
7575
7070
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.
140 | CEILING-CASSETTE
Multi F and Multi F MAX Indoor Unit Engineering Manual
MULTI
F
MAX
MULTI
F