Table Of Contents - LG ARWB Series Installation Manual

ARWB Series Outside unit Installation Manual

TABLE OF CONTENTS

Safety Precautions .........................................................................................................3
Installation Process .......................................................................................................7
Outside units Information..............................................................................................8
Environment-friendly Alternative Refrigerant R410A ..............................................10
Select the Best Location..............................................................................................10
Installation space ........................................................................................................12
Water control ...............................................................................................................14
Lifting method ..............................................................................................................16
Installation ....................................................................................................................17
Refrigerant piping installation ....................................................................................21
Protection device unit..................................................................................................31
Refrigerant piping system ..........................................................................................33
Y branch pipe and header branch pipe type .............................................................42
Leakage test and vacuum ...........................................................................................43
Electrical Wiring ...........................................................................................................45
HR Unit PCB..................................................................................................................58
Test Run ........................................................................................................................75
Cooling tower applied method ...................................................................................84
Caution For Refrigerant Leak......................................................................................85
Water Solenoid Valve Control .....................................................................................87
2 Outside Unit