Panasonic CS-PS9NKV, Service Manual

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TABLE OF CONTENTS
1. Safety Precautions .............................................3
2. Specification .......................................................5
3. Location of Controls and Components............9
3.1 Indoor Unit ....................................................9
3.2 Outdoor Unit .................................................9
3.3 Remote Control ............................................9
4.
Dimensions
.......................................................10
4.1 Indoor Unit ..................................................10
4.2 Outdoor Unit ...............................................12
5. Refrigeration Cycle Diagram ...........................14
5.1 CS-PS9NKV CU-PS9NKV
CS-PS12NKV CU-PS12NKV ....................14
5.2 CS-PS18NKV CU-PS18NKV
CS-PS24NKV CU-PS24NKV ....................15
6. Block Diagram ..................................................16
6.1 CS-PS9NKV CU-PS9NKV ........................16
6.2 CS-PS12NKV CU-PS12NKV ....................17
6.3 CS-PS18NKV CU-PS18NKV ....................18
6.4 CS-PS24NKV CU-PS24NKV ....................19
7. Wiring Connection Diagram ............................20
7.1 Indoor Unit ..................................................20
7.2 Outdoor Unit ...............................................22
8. Electronic Circuit Diagram ..............................26
8.1 Indoor Unit ..................................................26
8.2 Outdoor Unit ...............................................28
9. Printed Circuit Board .......................................32
9.1 Indoor Unit ..................................................32
9.2 Outdoor Unit ...............................................34
10. Installation Instruction.....................................39
10.1 Select the Best Location.............................39
10.2 Indoor Unit ..................................................40
10.3 Outdoor Unit ...............................................44
11. Operation Control.............................................47
11.1 Basic Function ............................................47
11.2 Indoor Fan Motor Operation .......................48
11.3 Outdoor Fan Motor Operation ....................48
11.4 Airflow Direction..........................................49
11.5 Timer Control..............................................49
11.6 Random Auto Restart Control ....................50
11.7 Indication Panel ..........................................50
12. Protection Control............................................51
12.1 Restart Control (Time Delay Safety
Control).......................................................51
12.2 30 Seconds Forced Operation ...................51
12.3 Total Running Current Control ...................51
12.4 IPM (Power Transistor) Prevention
Control ........................................................51
12.5 Low Pressure Prevention Control
(Gas Leakage Detection) ...........................52
12.6 Compressor Tank Temperature Rise
Protection Control.......................................52
12.7 Low Frequency Protection Control 1 ......... 52
12.8 Low Frequency Protection Control 2 ......... 52
12.9 Outdoor Air Temperature Control.............. 52
12.10 Cooling Overload Control .......................... 53
12.11 Freeze Prevention Control ........................ 53
12.12 Freeze Prevention Control 2 ..................... 53
12.13 Dew Prevention Control ............................ 53
12.14 Odor Cut Control ....................................... 53
13. Servicing Mode ................................................ 54
13.1 Auto Off/On Button .................................... 54
13.2 Remote Control Button.............................. 55
14. Troubleshooting Guide................................... 56
14.1 Refrigeration Cycle System....................... 56
14.2 Breakdown Self Diagnosis Function.......... 58
14.3 Error Code Table ....................................... 59
14.4 Troubleshooting Flowchart ........................ 60
15. Disassembly and Assembly Instructions ..... 81
15.1 CS-PS9/12NKV ......................................... 81
15.2 CS-PS18/24NKV ....................................... 85
16. Technical Data ................................................. 89
16.1 Operation Characteristics.......................... 89
17. Exploded View and Replacement Parts List. 97
17.1 Indoor Unit ................................................. 97
17.2 Outdoor Unit ............................................ 101