Table Of Contents - LG MULTI F Series Engineering Manual

F
MULTI
F
MULTI MAX
About LG Electronics, Inc. .................................................................... 4
Multi-Zone Systems ............................................................................... 4
Unit Nomenclature ................................................................................. 6
Outdoor Unit Overview ......................................................................... 7
Indoor Unit Overview ............................................................................ 8
Controls and Options Overview ...................................................... 9-13
Multi F Outdoor Unit Product Data ............................................. 15-286
Product Features and Benefits .......................................................... 16
Mechanical Specifications ................................................................. 17
General Data ................................................................................ 18-19
Dimensions ................................................................................... 20-22
Rated Cooling Combination Tables .............................................. 23-30
Rated Heating Combination Tables .............................................. 31-38
Cooling Capacity Tables ............................................................. 39-182
Heating Capacity Tables ........................................................... 183-278
Electrical Data ................................................................................. 279
Acoustic Data .................................................................................. 279
Refrigerant Flow Diagrams ....................................................... 280-282
Wiring Diagrams ....................................................................... 283-285
Operation Range ............................................................................. 286
Multi F MAX Outdoor Unit Product Data ..................................287-330
Product Features and Benefits ........................................................ 288
Mechanical Specifications ............................................................... 289
General Data ............................................................................ 290-291
Dimensions ...................................................................................... 292
Rated Cooling Combination Tables .......................................... 293-295
Rated Heating Combination Tables .......................................... 296-298
Cooling Capacity Tables ........................................................... 299-315
Heating Capacity Tables ........................................................... 316-326
Electrical Data ................................................................................. 327
Acoustic Data .................................................................................. 327
Refrigerant Flow Diagrams .............................................................. 328
Wiring Diagrams .............................................................................. 329
Operation Range ............................................................................. 330
TABLE OF SYMBOLS
DANGER
WARNING
CAUTION
Note:
This symbol indicates an imminently hazardous situation which, if not avoided, will result in death or
serious injury.
This symbol indicates a potentially hazardous situation which, if not avoided, could result in death or
serious injury.
This symbol indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury.
This symbol Indicates situations that may result in equipment or property damage accidents only.
This symbol indicates an action that should not be performed.

TABLE OF CONTENTS

Multi F MAX Branch Distribution Unit Product Data ...............331-340
Features and Benefits ..................................................................... 332
Mechanical Specifications ............................................................... 333
General Data ................................................................................... 334
Dimensions ...................................................................................... 335
Refrigerant Flow Diagram ................................................................ 336
Wiring Diagram ................................................................................ 337
Y-Branch Accessory ......................................................................... 338
Branch Distribution Unit Orientation ................................................ 339
Application Guidelines ............................................................... 341-358
Equipment Selection Procedure ............................................... 342-347
Building Ventilation Design Guide ............................................ 348-352
Placement Considerations ........................................................ 353-358
Refrigerant Piping Design & Layout Best Practices ............... 359-380
Design Guideline Summary ...................................................... 360-361
Creating a Balanced / Quality Piping System .................................. 362
Manual Layout Procedure ............................................................... 362
LG Engineered Multi F MAX Y-Branch Kits ..................................... 363
Refrigerant Charge ................................................................... 364-365
Selecting Field-Supplied Copper Tubing .................................. 366-367
Refrigerant Piping System Layout ............................................ 368-375
Piping Insulation .............................................................................. 376
Condensate Drain Piping .......................................................... 377-378
Cut Sheet ......................................................................................... 379
Wiring Connections .................................................................... 381-390
General Information .................................................................. 382-384
Power Wiring and Communications Cable Details ................... 385-389
Indoor Unit Group Control ............................................................... 390
Acronyms ........................................................................................... 391
INTRODUCTION | 3