Panasonic CS-A12PKD, Service Manual

Page: 2 / 140

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 ...........................18
6.1 CS-A9PKD CU-A9PKD CS-A12PKD
CU-A12PKD ...............................................18
6.2 CS-A18PKD CU-A18PKD CS-A24PKD
CU-A24PKD CS-A28PKD CU-A28PKD .....19
7. Block Diagram ..................................................20
7.1 CS-A9PKD CU-A9PKD ..............................20
7.2 CS-A12PKD CU-A12PKD ..........................21
7.3 CS-A18PKD CU-A18PKD
CS-A24PKD CU-A24PKD ..........................22
7.4 CS-A28PKD CU-A28PKD ..........................23
8. Wiring Connection Diagram ............................24
8.1 CS-A9PKD CU-A9PKD ..............................24
8.2 CS-A12PKD CU-A12PKD ..........................25
8.3 CS-A18PKD CU-A18PKD
CS-A24PKD CU-A24PKD ..........................26
8.4 CS-A28PKD CU-A28PKD ..........................27
9. Electronic Circuit Diagram ..............................28
9.1 CS-A9PKD CU-A9PKD ..............................28
9.2 CS-A12PKD CU-A12PKD ..........................29
9.3 CS-A18PKD CU-A18PKD
CS-A24PKD CU-A24PKD ..........................30
9.4 CS-A28PKD CU-A28PKD ..........................31
10. Printed Circuit Board .......................................32
10.1 Indoor Unit ..................................................32
11. Installation Instruction.....................................35
11.1 Select the Best Location.............................35
11.2 Indoor Unit ..................................................36
11.3 Outdoor Unit ...............................................41
12. Installation Instruction.....................................44
12.1 Select the Best Location.............................44
12.2 Indoor Unit ..................................................45
12.3 Outdoor Unit ...............................................49
13. Operation Control.............................................52
13.1 Heating Operation ......................................52
13.2 Cooling Operation.......................................54
13.3 Soft Dry Operation......................................56
13.4 Automatic Operation...................................58
13.5 Indoor Fan Speed Control ..........................59
13.6 Outdoor Fan Speed Control .......................63
13.7 Vertical Airflow Direction Control............... 64
13.8 Horizontal Airflow Direction Control........... 66
13.9 Powerful Operation.................................... 67
13.10 Quiet Operation ......................................... 69
13.11 Timer Control............................................. 71
13.12 Random Auto Restart Control ................... 71
13.13 Remote Control Signal Receiving Sound.. 71
13.14 nanoe-G operation..................................... 72
13.15 In-filter Deactivation Operation.................. 74
13.16 AUTO COMFORT and ECONAVI Operation .
................................................................... 75
14. Protection Control........................................... 83
14.1 Restart Control (Time Delay Safety Control)..
................................................................... 83
14.2 7 Minutes Time Save Control .................... 83
14.3 60 Seconds Forced Operation .................. 83
14.4 Starting Current Control ............................ 83
14.5 Freeze Prevention Control ........................ 83
14.6 Compressor Reverse Rotation Protection
Control ....................................................... 84
14.7 Dew Prevention Control ............................ 84
14.8 30 Minutes Time Save Control .................. 84
14.9 Compressor Overload Protection Control . 84
14.10 4-Way Valve Control.................................. 85
14.11 Outdoor Fan Motor Control ....................... 85
14.12 Hot Start Control........................................ 85
14.13 Cold Draft Prevention Control ................... 85
14.14 Deice Control............................................. 86
14.15 Restart Control (Time Delay Safety Control)..
................................................................... 88
14.16 7 Minutes Time Save Control .................... 88
14.17 60 Seconds Forced Operation .................. 88
14.18 Starting Current Control ............................ 88
14.19 Freeze Prevention Control ........................ 88
14.20 Compressor Reverse Rotation Protection
Control ....................................................... 89
14.21 Dew Prevention Control ............................ 89
14.22 Overload Protection Control ...................... 90
14.23 4-Way Valve Control.................................. 90
14.24 Hot Start Control........................................ 90
14.25 Cold Draft Prevention Control ................... 91
14.26 Deice Control............................................. 91
15. Servicing Mode ................................................ 93
15.1 Auto OFF/ON Button ................................. 93
15.2 Remote Control Button.............................. 94
16. Troubleshooting Guide................................... 95
16.1 Refrigeration cycle system ........................ 95
17. Disassembly and Assembly Instructions ..... 97
17.1 CS-A9PKD CS-A12PKD .......................... 97
17.2 CS-A18PKD CS-A24PKD CS-A28PKD 101
18. Technical Data ............................................... 105
18.1 Thermostat Characteristics ..................... 105
18.2 Operation Characteristics........................ 106
19. Exploded View and Replacement Parts List126
19.1 Indoor Unit ............................................... 126
19.2 Outdoor Unit ............................................ 132