
2
Contents
Safety precautions ....................................................................................................... 3
Preparing for installation ................................................................................................. 6
Selecting installation location ........................................................................................... 11
Space requirement for installation ...................................................................................... 13
Accessories ............................................................................................................. 15
Base construction and installation of the outdoor unit ................................................................... 17
Installing the wind/snow prevention duct ............................................................................... 22
Refrigerant pipe installation ............................................................................................. 24
Electrical wiring work ................................................................................................... 59
Air tightness test and vacuum drying ................................................................................... 75
Pipe insulation .......................................................................................................... 77
Charging additional refrigerant ......................................................................................... 81
Basic segment display .................................................................................................. 83
Setting outdoor unit option switch and key function .................................................................... 83
Setting the MCU and Pipe Addresses (for HR Only) ...................................................................... 93
Things to check after completing the installation ........................................................................ 97
Inspection and trial operation ........................................................................................... 99
Automatic refrigerant amount detection function ...................................................................... 105