Contents
Safety Precautions .................................................................................................................... 5
Pre-Installation Checklist ........................................................................................................... 6
Typical Installation Setup ........................................................................................................... 7
Names and Functions of Each Part ........................................................................................... 7
Clearance Requirements ........................................................................................................... 8
Connection Pipe Requirements ................................................................................................. 9
Refrigerant Piping Precautions ................................................................................................ 10
Nitrogen Purging While Brazing ............................................................................................... 10
Installation Location ................................................................................................................. 11
Installing the Indoor Unit .......................................................................................................... 12
Mounting Location ................................................................................................................... 12
Drilling the Piping Hole ............................................................................................................ 13
Refrigerant Piping at the Indoor Unit ....................................................................................... 13
Installing the Condensate Pipe ................................................................................................ 15
Wiring at the Indoor Unit .......................................................................................................... 15
Binding the Pipes and Cables ................................................................................................. 17
Hanging the Indoor Unit ........................................................................................................... 17
Installing the Outdoor Unit ....................................................................................................... 18
Condensate Management of the Outdoor Unit ........................................................................ 18
Installing the Refrigerant Piping ............................................................................................... 19
Flaring Process and Bending Pipes ........................................................................................ 19
Refrigerant Piping at the Outdoor Unit .................................................................................... 20
Insulating the Pipe Joints ......................................................................................................... 20
Piping Requirements ............................................................................................................... 21
Vacuum and Refrigerant Leakage Detection ........................................................................... 22
Wiring Precautions .................................................................................................................. 23
Outdoor Wiring Connections ................................................................................................... 23
Stranded Wiring Connections .................................................................................................. 24
Electrical Connections ............................................................................................................. 25
Cable Specifications ................................................................................................................ 26
Grounding Requirements ........................................................................................................ 26
Installation of Controllers ......................................................................................................... 26
Post Installation Checklist ........................................................................................................ 27
Test Operation ......................................................................................................................... 27
Refrigerant System Diagrams ................................................................................................. 28
Wiring Diagrams ...................................................................................................................... 29
Unit Dimensions ...................................................................................................................... 31
Common Error Codes ............................................................................................................. 32
Emergency Operation .............................................................................................................. 32
Troubleshooting ....................................................................................................................... 33
Maintenance of the Indoor Unit ............................................................................................... 34
General Maintenance .............................................................................................................. 35
