2 
TABLE OF CONTENTS 
1.  Safety Precautions .............................................3 
2.  Specification .......................................................5 
3.  Features.............................................................11 
4.  Location of Controls and Components..........12 
4.1  Indoor Unit ..................................................12 
4.2  Outdoor Unit ...............................................12 
4.3  Remote Control ..........................................12 
5.  Dimensions .......................................................13 
5.1  Indoor Unit ..................................................13 
5.2  Outdoor Unit ...............................................15 
6.  Refrigeration Cycle Diagram ...........................17 
7.  Block Diagram ..................................................18 
8.  Wiring Connection Diagram ............................21 
8.1  CS-C9PKV  CU-C9PKV 
  CS-C12PKV  CU-C12PKV .........................21
 
8.2  CS-C18PKV  CU-C18PKV .........................22 
8.3  CS-C24PKV  CU-C24PKV .........................23 
8.4  CS-C28PKV  CU-C28PKV .........................24 
9.  Electronic Circuit Diagram ..............................25 
9.1  CS-C9PKV  CU-C9PKV 
  CS-C12PKV  CU-C12PKV .........................25
 
9.2  CS-C18PKV  CU-C18PKV .........................26 
9.3  CS-C24PKV  CU-C24PKV .........................27 
9.4  CS-C28PKV  CU-C28PKV .........................28 
10.  Printed Circuit Board .......................................29 
10.1  Indoor Unit ..................................................29 
11.  Installation Instruction.....................................32 
11.1  Select the Best Location.............................32 
11.2  Indoor Unit ..................................................33 
11.3  Outdoor Unit ...............................................37 
12.  Installation Instruction.....................................41 
12.1  Select the Best Location.............................41 
12.2  Indoor Unit ..................................................42 
12.3  Outdoor Unit ...............................................46 
13.  Operation Control.............................................50 
13.1  Cooling Operation.......................................50 
13.2  Soft Dry Operation......................................52 
13.3  Automatic Operation...................................54 
13.4  Indoor Fan Speed Control ..........................55 
13.5  Outdoor Fan Speed Control .......................57 
13.6  Vertical Airflow Direction Control................57 
13.7  Horizontal Airflow Direction Control............59 
13.8  Powerful Operation.....................................60 
13.9  Quiet Operation ..........................................60 
13.10  Timer Control..............................................61 
13.11  Random Auto Restart Control ....................61 
13.12  Remote Control Signal Receiving Sound ...61 
13.13  nanoe-G Operation.....................................62 
13.14  In-filter Deactivation Operation...................64 
13.15  AUTO COMFORT and ECONAVI Operation .
 ....................................................................65 
14.  Protection Control........................................... 73 
14.1  Restart Control (Time Delay Safety Control)..
 ................................................................... 73
 
14.2  7 Minutes Time Save Control .................... 73 
14.3  60 Seconds Forced Operation .................. 73 
14.4  Starting Current Control ............................ 73 
14.5  Freeze Prevention Control ........................ 74 
14.6  Compressor Reverse Rotation Protection 
Control ....................................................... 74 
14.7  Dew Prevention Control ............................ 75 
15.  Servicing Mode ................................................ 76 
15.1  Auto OFF/ON Button ................................. 76 
15.2  Remote Control Button.............................. 77 
16.  Troubleshooting Guide................................... 78 
16.1  Refrigeration cycle system ........................ 78 
17.  Disassembly and Assembly Instructions ..... 80 
17.1  CS-C9PKV  CS-C12PKV .......................... 80 
17.2  CS-C18PKV  CS-C24PKV  CS-C28PKV .. 84 
18.  Technical Data ................................................. 88 
18.1  Thermostat Characteristics ....................... 88 
18.2  Operation Characteristics.......................... 89 
19.  Exploded View and Replacement Parts List. 99 
19.1  Indoor Unit ................................................. 99 
19.2  Outdoor Unit ............................................ 105