2Samsung ElectronicsContents1. Precautions ........................................................................................................ 1-11-1 Precautions for the Service.............................................................................................................................. 1-11-2 Precautions related to static electricity and PL ....................................................................................... 1-11-3 Precautions related to product safety ........................................................................................................ 1-21-4 Other precautions ............................................................................................................................................... 1-22. Product Specifications...................................................................................... 2-12-1 The Feature of Product ..................................................................................................................................... 2-12-1-1 Features....................................................................................................................................................... 2-12-2 Product Specifications ...................................................................................................................................... 2-22-3 Specifications of optional items .................................................................................................................... 2-63. Disassembly and Reassembly.......................................................................... 3-13-1 Indoor unit ..................................................................................................................................................... 3-23-2 Outdoor Unit ................................................................................................................................................. 3-154. Troubleshooting ............................................................................................... 4-14-1 Setting Option Setup Method ....................................................................................................................... 4-14-2 Indoor Display Error and Check Method ................................................................................................... 4-104-3 Troubleshooting for outdoor unit................................................................................................................ 4-134-4 Troubleshooting by symptoms ..................................................................................................................... 4-155. PCB Diagram and Parts List.............................................................................. 5-15-1 Indoor Unit ............................................................................................................................................................. 5-15-2 Outdoor Unit ......................................................................................................................................................... 5-46. Wiring Diagram ................................................................................................. 6-16-1 Indoor Unit ............................................................................................................................................................. 6-16-2 Outdoor Unit ......................................................................................................................................................... 6-37. Reference Sheet ................................................................................................ 7-17-1 Index for Model Name ...................................................................................................................................... 7-17-2 Refrigerating Cycle Diagram .......................................................................................................................... 7-2