2ContentsUSING PARTSSafety precautions ..................................................................................................................................................................................................................................5Checking before use ...........................................................................................................................................................................................................................14Checking the name of the parts....................................................................................................................................................................................................16Basic operation ......................................................................................................................................................................................................................................21Cleaning and maintaining the unit..............................................................................................................................................................................................24Cleaning and maintaining the product .....................................................................................................................................................................................27Maintaining your product ................................................................................................................................................................................................................28Appendix..................................................................................................................................................................................................................................................29INSTALLATION PARTSSafety precautions ...............................................................................................................................................................................................................................31Accessories ..............................................................................................................................................................................................................................................34Selecting the installation location ................................................................................................................................................................................................34Indoor unit installation ......................................................................................................................................................................................................................36Purging the unit ....................................................................................................................................................................................................................................37Connecting the refrigerant pipe ...................................................................................................................................................................................................37Cutting/flaring the pipe ....................................................................................................................................................................................................................38Performing leak test & insulation..................................................................................................................................................................................................39Drain pipe and drain installaton ....................................................................................................................................................................................................41Drain pipe and drain hose installaton.........................................................................................................................................................................................42Duct connection ...................................................................................................................................................................................................................................43Wiring work .............................................................................................................................................................................................................................................44Indoor unit setting ...............................................................................................................................................................................................................................49Setting an indoor unit address and installation option......................................................................................................................................................50Additional functions ...........................................................................................................................................................................................................................61Trial operation ........................................................................................................................................................................................................................................62Final checks and user tips .................................................................................................................................................................................................................64Troubleshooting ..................................................................................................................................................................................................................................65Wired Remote Controller Installation/Service Mode ...........................................................................................................................................................66