TABLE OF CONTENTS
TABLE OF SYMBOLS
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 must not be performed.
Unit Nomenclature ........................................................................................................................................................................................ 4
LG Air Conditioner Technical Solution (LATS) ......................................................................................................................................... 5-6
Refrigerant Charge Worksheet .....................................................................................................................................................................7
Water Source Unit Product Data ............................................................................................................................................................. 8-60
Mechanical Specifications ......................................................................................................................................................................9-10
Product Features and Benefits ............................................................................................................................................................. 11-12
General Data ....................................................................................................................................................................................... 13-21
Electrical Data ..................................................................................................................................................................................... 22-23
Connection Limitations .............................................................................................................................................................................. 24
Dimensions .......................................................................................................................................................................................... 25-27
Wiring Diagrams .................................................................................................................................................................................. 28-29
Refrigerant Flow Diagrams ................................................................................................................................................................... 30-37
Acoustic Data ...................................................................................................................................................................................... 38-52
Head Loss by Water Flow ......................................................................................................................................................................... 53
Accessories ......................................................................................................................................................................................... 54-60
Electrical Connections .......................................................................................................................................................................... 61-64
System for Heat Pump Operation .............................................................................................................................................................. 62
System for Heat Recovery Operation ........................................................................................................................................................ 63
DIP Switch Settings For Use With Gen 4 Indoor Units ............................................................................................................................... 64
Water Loop Circuit Design ......................................................................................................................................................................... 65
Piping Limitations and Placement Considerations .............................................................................................................................. 66-83
Piping Limitations ................................................................................................................................................................................. 67-76
Refrigerant Piping for Separated Water Source Units ........................................................................................................................... 77-78
Placement Considerations for Water Source Unit(s) ...................................................................................................................................79
Transporting / Lifting Water Source Unit(s) .................................................................................................................................................80
Installation Considerations ................................................................................................................................................................... 81-82
Corner Weights for Water Source Unit(s) ...................................................................................................................................................83
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