LG LC187HV, Engineering Manual, Page: 3 / 76

taBle oF ContentS
About LG Electronics, Inc. ............................................................................................................................................................................................. 4
Duct-Free Split (DFS) Systems ...................................................................................................................................................................................... 4
Unit Nomenclature .......................................................................................................................................................................................................... 6
Four-Way Ceiling Cassette System Data................................................................................................................................................................. 7-38
Product Features and Benefits ..................................................................................................................................................................................... 8
General Data ................................................................................................................................................................................................................ 9
Electrical Data ............................................................................................................................................................................................................ 10
Dimensions ............................................................................................................................................................................................................ 11-14
Acoustic Data ........................................................................................................................................................................................................ 15-16
Air Velocity and Temperature Distribution .............................................................................................................................................................. 17-18
Refrigerant Flow Diagrams .................................................................................................................................................................................... 19-20
Wiring Diagrams .................................................................................................................................................................................................... 21-23
Accessories ........................................................................................................................................................................................................... 24-28
Performance Data .................................................................................................................................................................................................... 29-36
Cooling Capacity Tables ........................................................................................................................................................................................ 29-33
Heating Capacity Tables ........................................................................................................................................................................................ 34-35
Application Guidelines ............................................................................................................................................................................................ 37-52
Equipment Selection Procedure ............................................................................................................................................................................ 38-39
Building Ventilation Design Guide ......................................................................................................................................................................... 40-44
Placement Considerations ..................................................................................................................................................................................... 45-52
Refrigerant Piping Design & Layout Best Practices .......................................................................................................................................... 53-218
Design Guideline Summary ........................................................................................................................................................................................ 54
Selecting Field-Supplied Copper Tubing ............................................................................................................................................................... 55-56
Refrigerant Piping System Layout ......................................................................................................................................................................... 57-61
Piping Insulation .................................................................................................................................................................................................... 62-63
Condensate Drain Piping ....................................................................................................................................................................................... 63-64
Electrical and Mechanical Specifications ............................................................................................................................................................. 65-71
Wiring Connections ............................................................................................................................................................................................... 66-69
Mechanical Specifications ..................................................................................................................................................................................... 70-71
Acronyms ...................................................................................................................................................................................................................... 72
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Introduction