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
..............................................10
Select the Best Location
..............................................................................................10
Installation space
.........................................................................................................11
Water control
...............................................................................................................13
Lifting method
..............................................................................................................15
Installation
....................................................................................................................16
Refrigerant piping installation
....................................................................................20
Protection device unit
..................................................................................................25
Refrigerant piping system
..........................................................................................27
Y branch pipe and header branch pipe type
.............................................................44
Leakage test and vacuum
...........................................................................................46
Electrical Wiring
...........................................................................................................48
Test Run
........................................................................................................................64
Cooling tower applied method
...................................................................................73
Caution For Refrigerant Leak
......................................................................................74
Water Solenoid Valve Control
....................................................................................76