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PROPRIETARY DATA NOTICE
This document, as well as all reports, illustrations, data, information,
and other materials are the property of LG Electronics Canada, Inc., and are
disclosed by LG Electronics Canada, Inc. only in confidence.
This document is for design purposes only.
A summary list of safety precautions is on page 3.
To access additional technical documentation such as submittals, indoor
unit engineering manuals, installation, service, product data performance,
general best practice, and building ventilation manuals, as well as white
papers, catalogs, LATS software programs, and more, visit www.lgvrf.ca.
For continual product development, LG Electronics Canada Inc. reserves the right to change specifications without notice.
© LG Electronics Canada Inc.
Unit Nomenclature ........................................................................................................................................................................................ 4
LG Air Conditioner Technical Solution (LATS) ......................................................................................................................................... 5-6
Refrigerant Charge Worksheet ..................................................................................................................................................................... 7
Water Source Unit Product Data ............................................................................................................................................................. 8-66
Mechanical Specifications ...................................................................................................................................................................... 9-10
Product Features and Benefits ............................................................................................................................................................. 11-12
General Data ....................................................................................................................................................................................... 13-15
Electrical Data .......................................................................................................................................................................................... 16
Connection Limitations .............................................................................................................................................................................. 17
Dimensions .......................................................................................................................................................................................... 18-20
Wiring Diagrams ....................................................................................................................................................................................... 21
Refrigerant Flow Diagrams ................................................................................................................................................................... 22-29
Acoustic Data ...................................................................................................................................................................................... 30-32
Head Loss by Water Flow ......................................................................................................................................................................... 33
Accessories ......................................................................................................................................................................................... 34-40
Electrical Connections .......................................................................................................................................................................... 41-44
System for Heat Pump Configuration ........................................................................................................................................................ 42
System for Heat Recovery Configuration ................................................................................................................................................... 43
DIP Switch Settings For Use With Gen 4 Indoor Units ............................................................................................................................... 44
Water Loop Circuit Design .................................................................................................................................................................... 45-57
Water Design Guide ............................................................................................................................................................................. 46-49
Water Circuit Installation ...................................................................................................................................................................... 50-57
Piping Limitations and Placement Considerations .............................................................................................................................. 58-74
Piping Limitations ................................................................................................................................................................................. 59-68
Refrigerant Piping for Separated Water Source Units ........................................................................................................................... 69-70
Placement Considerations for Water Source Unit(s) ...................................................................................................................................71
Transporting / Lifting Water Source Unit(s) .................................................................................................................................................72
Installation Considerations ................................................................................................................................................................... 73-74
TABLE OF SYMBOLS
DANGER
This symbol indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING
This symbol indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION
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.
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