Multi F Engineering Manual

INTRODUCTION | 3
TABLE OF CONTENTS
TABLE OF SYMBOLS
D ANGER
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.
Note:
This symbol indicates information related to the current procedure.
This symbol indicates an action that should not be performed.
Unit Nomenclature.......................................................................................................................................................................................................... 4
LG Air Conditioner Technical Solution (LATS) ......................................................................................................................................................... 5-6
Manual Equipment Selection Procedure................................................................................................................................................................ 7-12
Multi F Outdoor Unit Product Data ........................................................................................................................................................................ 13-29
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General Data ......................................................................................................................................................................................................... 15-16
Electrical Data ............................................................................................................................................................................................................ 17
Functions, Controls, Options, and Accessories .......................................................................................................................................................... 18
Dimensions............................................................................................................................................................................................................ 19-20
Center of Gravity / Corner Weights............................................................................................................................................................................. 21
Wiring Diagrams.................................................................................................................................................................................................... 22-23
Refrigerant Flow Diagrams.................................................................................................................................................................................... 24-26
Acoustic Data ........................................................................................................................................................................................................ 27-28
Operation Ranges ...................................................................................................................................................................................................... 29
Multi F MAX Outdoor Unit Product Data ............................................................................................................................................................... 30-45
0HFKDQLFDO6SHFL¿FDWLRQV .......................................................................................................................................................................................... 31
General Data ......................................................................................................................................................................................................... 32-33
Electrical Data ............................................................................................................................................................................................................ 33
Functions, Controls, Options, and Accessories .......................................................................................................................................................... 34
Dimensions............................................................................................................................................................................................................ 35-36
Center of Gravity / Corner Weight ......................................................................................................................................................................... 37-38
Wiring Diagrams.................................................................................................................................................................................................... 39-40
Refrigerant Flow Diagrams.................................................................................................................................................................................... 41-42
Acoustic Data ........................................................................................................................................................................................................ 43-44
Operation Ranges ...................................................................................................................................................................................................... 45
Multi F MAX BD Unit Product Data ........................................................................................................................................................................ 46-53
0HFKDQLFDO6SHFL¿FDWLRQV .......................................................................................................................................................................................... 47
General Data .............................................................................................................................................................................................................. 48
Dimensions................................................................................................................................................................................................................. 49
Wiring Diagram........................................................................................................................................................................................................... 50
Refrigerant Flow Diagram........................................................................................................................................................................................... 51
Y-Branch Accessory.................................................................................................................................................................................................... 52
Branch Distribution Unit Orientation ........................................................................................................................................................................... 53
Electrical Connections............................................................................................................................................................................................ 54-63
General Information.................................................................................................................................................................................................... 55
:LULQJ6SHFL¿FDWLRQV ............................................................................................................................................................................................. 55-56
Systems for Multi F................................................................................................................................................................................................ 57-59
Systems for Multi F MAX....................................................................................................................................................................................... 60-61
Indoor Units / Controllers....................................................................................................................................................................................... 62-63
Piping Limitation and Placement Considerations................................................................................................................................................ 64-76
Piping Limitations .................................................................................................................................................................................................. 65-66
Selecting the Best Location for the Outdoor Unit .................................................................................................................................................. 67-68
Outdoor Unit Clearance Requirements ................................................................................................................................................................. 69-71
Installing Outdoor Units Indoors ............................................................................................................................................................................ 72-74
Selecting the Best Location for the Indoor Units ........................................................................................................................................................ 75
Selecting the Best Location for Branch Distribution Units ..................................................................................................................................... 75-76
NOTE