2TABLE OF CONTENTS1. Safety Precautions .............................................32. Specification .......................................................53. Features.............................................................114. Location of Controls and Components..........124.1 Indoor Unit ..................................................124.2 Outdoor Unit ...............................................124.3 Remote Control ..........................................125. Dimensions .......................................................135.1 Indoor Unit ..................................................135.2 Outdoor Unit ...............................................156. Refrigeration Cycle Diagram ...........................177. Block Diagram ..................................................188. Wiring Connection Diagram ............................218.1 CS-C9PKV CU-C9PKVCS-C12PKV CU-C12PKV .........................218.2 CS-C18PKV CU-C18PKV .........................228.3 CS-C24PKV CU-C24PKV .........................238.4 CS-C28PKV CU-C28PKV .........................249. Electronic Circuit Diagram ..............................259.1 CS-C9PKV CU-C9PKVCS-C12PKV CU-C12PKV .........................259.2 CS-C18PKV CU-C18PKV .........................269.3 CS-C24PKV CU-C24PKV .........................279.4 CS-C28PKV CU-C28PKV .........................2810. Printed Circuit Board .......................................2910.1 Indoor Unit ..................................................2911. Installation Instruction.....................................3211.1 Select the Best Location.............................3211.2 Indoor Unit ..................................................3311.3 Outdoor Unit ...............................................3712. Installation Instruction.....................................4112.1 Select the Best Location.............................4112.2 Indoor Unit ..................................................4212.3 Outdoor Unit ...............................................4613. Operation Control.............................................5013.1 Cooling Operation.......................................5013.2 Soft Dry Operation......................................5213.3 Automatic Operation...................................5413.4 Indoor Fan Speed Control ..........................5513.5 Outdoor Fan Speed Control .......................5713.6 Vertical Airflow Direction Control................5713.7 Horizontal Airflow Direction Control............5913.8 Powerful Operation.....................................6013.9 Quiet Operation ..........................................6013.10 Timer Control..............................................6113.11 Random Auto Restart Control ....................6113.12 Remote Control Signal Receiving Sound ...6113.13 nanoe-G Operation.....................................6213.14 In-filter Deactivation Operation...................6413.15 AUTO COMFORT and ECONAVI Operation .....................................................................6514. Protection Control ........................................... 7314.1 Restart Control (Time Delay Safety Control)..................................................................... 7314.2 7 Minutes Time Save Control .................... 7314.3 60 Seconds Forced Operation .................. 7314.4 Starting Current Control ............................ 7314.5 Freeze Prevention Control ........................ 7414.6 Compressor Reverse Rotation ProtectionControl ....................................................... 7414.7 Dew Prevention Control ............................ 7515. Servicing Mode ................................................ 7615.1 Auto OFF/ON Button ................................. 7615.2 Remote Control Button .............................. 7716. Troubleshooting Guide................................... 7816.1 Refrigeration cycle system ........................ 7817. Disassembly and Assembly Instructions ..... 8017.1 CS-C9PKV CS-C12PKV .......................... 8017.2 CS-C18PKV CS-C24PKV CS-C28PKV .. 8418. Technical Data ................................................. 8818.1 Thermostat Characteristics ....................... 8818.2 Operation Characteristics.......................... 8919. Exploded View and Replacement Parts List. 9919.1 Indoor Unit ................................................. 9919.2 Outdoor Unit ............................................ 105