LG MULTI V WATER IV ARWN Series

2 Outside Unit
ARWN Series Outside unit Installation Manual
TABLE OF CONTENTS
Safety Precautions .........................................................................................................3
Installation Process .......................................................................................................7
Outside units Information..............................................................................................8
Environment-friendly Alternative Refrigerant R410A ...............................................14
Select the Best Location..............................................................................................14
Installation space ........................................................................................................15
Water control ...............................................................................................................17
Lifting method ..............................................................................................................19
Installation ....................................................................................................................20
Refrigerant piping installation ....................................................................................24
Device protection unit..................................................................................................29
Refrigerant piping system ..........................................................................................31
Y branch pipe and header branch pipe type .............................................................46
Leakage test and vacuum ...........................................................................................48
Electrical Wiring ...........................................................................................................50
Test Run ........................................................................................................................67
Cooling tower applied method ...................................................................................74
Caution For Refrigerant Leak......................................................................................75
Water Solenoid Valve Control .....................................................................................77