Table Of Contents - LG Multi V Installation Manual

Safety Precautions ......................................................................................................................................................................................................... 4
important ......................................................................................................................................................................................................................... 4
Rough-In .......................................................................................................................................................................................................................... 4
Introduction ..................................................................................................................................................................................................................... 6
Unit Features ................................................................................................................................................................................................................... 8
Installation Parts ............................................................................................................................................................................................................. 9
Installation Tools .......................................................................................................................................................................................................... 10
Unpack the Indoor Unit/Inspect for Freight Damage .................................................................................................................................................11
Roughing In Overview .................................................................................................................................................................................................. 12
Location Selection ...................................................................................................................................................................................................... 12
Preparing for Installation ............................................................................................................................................................................................. 13
Wall Mounting the Convertible Unit ............................................................................................................................................................................ 13
Convertible Indoor Unit ................................................................................................................................................................................................ 14
Ceiling Mounting the Convertible Unit ........................................................................................................................................................................ 14
Prepare Refrigerant Pipes for Installation ................................................................................................................................................................... 14
Mounting the Ceiling Suspended Unit ........................................................................................................................................................................ 15
Routing the Drain Pipe ............................................................................................................................................................................................... 15
Ceiling Suspended Unit ............................................................................................................................................................................................... 15
Roughing-In Wall-Mounted Zone Controllers ............................................................................................................................................................ 16
Refrigerant Safety ......................................................................................................................................................................................................... 17
Refrigerant Pipe Specifications .................................................................................................................................................................................. 17
Indoor Unit Piping Connections .................................................................................................................................................................................. 17
Refrigerant Pipe Connections ..................................................................................................................................................................................... 18
Flare Connections ...................................................................................................................................................................................................... 18
Brazed Connections ................................................................................................................................................................................................... 18
Condensate Pipe Connection ..................................................................................................................................................................................... 19
Connect Drain Pipe ...................................................................................................................................................................................................... 20
Insulate pipes ................................................................................................................................................................................................................ 21
Power Wiring ................................................................................................................................................................................................................ 22
Power Wiring Instructions ........................................................................................................................................................................................... 22
Outdoor/Indoor Unit Communications Cable Installation Guidelines
Low Voltage Communications ................................................................................................................................................................................... 23
Zone Controller Cable Installation .............................................................................................................................................................................. 26
Control PCB DIP Switch Settings ............................................................................................................................................................................... 26
Connecting an LG Dry Contact Device ....................................................................................................................................................................... 29
Connecting a Smoke Detector .................................................................................................................................................................................... 29
Indoor Unit Control Settings ....................................................................................................................................................................................... 30
Indoor Unit Installation Checklist .............................................................................................................................................................................. 31
Finishing the Installation ............................................................................................................................................................................................. 33
Who to Call for Assistance .......................................................................................................................................................................................... 35
Due to our policy of continuous product innovation, some specifications may change without notification.
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