Operating Instructions and Installation2 Samsung ElectronicsContents19. Circuit Descriptions ...................................................................................................................... 9-19-1 PCB Circuit Descriptions .................................................................................................................. 9-19-2 Refrigerating Cycle Diagram ......................................................................................................... 9-310. PCB Diagram ..................................................................................................................................... 10-110-1 Indoor PCB ....................................................................................................................................... 10-110-2 Outdoor PCB ................................................................................................................................... 10-211. Operating Instructions ................................................................................................................ 11-111-1 Name of Each Part .......................................................................................................................... 11-111-2 Wireless Remote Control-Buttons and Display ......................................................................... 11-211-3 Wired Remote Controller-Buttons and Display ........................................................................ 11-311-4 Main Function ................................................................................................................................. 11-412. Troubleshooting ............................................................................................................................ 12-112-1 Items to be checked first .............................................................................................................. 12-112-2 Fault Diagnosis by Symptom ....................................................................................................... 12-212-3 PCB Inspection Method ................................................................................................................ 12-1912-4 Main Part Inspection Method ...................................................................................................... 12-2113. Block Diagram ................................................................................................................................. 13-113-1 Indoor Unit ...................................................................................................................................... 13-113-2 Outdoor Unit ................................................................................................................................... 13-214. Reference Sheet .............................................................................................................................. 14-114-1 Index for Model Name .................................................................................................................. 14-114-2 Pressure Graph ................................................................................................................................ 14-214-3 Pressure & Capacity mark ............................................................................................................. 14-314-4 Q & A for Non-trouble ................................................................................................................... 14-414-5 Cleaning/Filter Change ................................................................................................................. 14-714-6 Installation ....................................................................................................................................... 14-814-7 Installation Diagram of Indoor Unit and Outdoor Unit .......................................................... 14-9