Panasonic CS-E12NKDW, Service Manual

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TABLE OF CONTENTS
1. Safety Precautions .............................................3
2. Specification .......................................................5
3. Features.............................................................19
4. Location of Controls and Components..........20
4.1 Indoor Unit ..................................................20
4.2 Outdoor Unit ...............................................20
4.3 Remote Control ..........................................20
5. Dimensions .......................................................21
5.1 Indoor Unit ..................................................21
5.2 Outdoor Unit ...............................................23
6. Refrigeration Cycle Diagram ...........................24
6.1 CU-E7NKD CU-E9NKD CU-E12NKD
CU-E15NKD ...............................................24
6.2 CU-E18NKD ...............................................25
7. Block Diagram ..................................................26
7.1 CU-E7NKD CU-E9NKD CU-E12NKD
CU-E15NKD ...............................................26
7.2 CU-E18NKD ...............................................27
8. Wiring Connection Diagram ............................28
8.1 Indoor Unit ..................................................28
8.2 Outdoor Unit ...............................................30
9. Electronic Circuit Diagram ..............................32
9.1 Indoor Unit ..................................................32
9.2 Outdoor Unit ...............................................34
10. Printed Circuit Board .......................................36
10.1 Indoor Unit ..................................................36
10.2 Outdoor Unit ...............................................39
11. Installation Instruction.....................................41
11.1 Select the Best Location.............................41
11.2 Indoor Unit ..................................................42
11.3 Outdoor Unit ...............................................46
12. Operation and Control .....................................49
12.1 Basic Function ............................................49
12.2 Indoor Fan Motor Operation .......................50
12.3 Outdoor Fan Motor Operation ....................51
12.4 Airflow Direction..........................................51
12.5 Quiet operation (Cooling Mode/Cooling area
of Dry Mode)...............................................52
12.6 Quiet operation (Heating) ...........................53
12.7 Powerful Mode Operation...........................53
12.8 Timer Control..............................................53
12.9 Auto Restart Control...................................54
12.10 Indication Panel ..........................................54
12.11 nanoe-G Operation.....................................55
12.12 Mild Dry Cooling Operation ........................57
12.13 ECONAVI and AUTO COMFORT
Operation....................................................58
13. Operation Control (For Multi Split
Connection).......................................................62
13.1 Cooling operation .......................................62
13.2 Soft Dry Operation..................................... 62
13.3 Heating Operation ..................................... 62
13.4 Automatic Operation.................................. 63
13.5 Indoor Fan Motor Operation ...................... 63
13.6 Powerful Mode Operation.......................... 63
13.7 Auto restart control .................................... 63
13.8 Indication Panel ......................................... 63
13.9 Mild Dry Cooling Operation ....................... 63
14. Protection Control........................................... 64
14.1 Protection Control For All Operations........ 64
14.2 Protection Control For Cooling & Soft Dry
Operation................................................... 66
14.3 Protection Control For Heating
Operation................................................... 67
15. Servicing Mode ................................................ 68
15.1 Auto OFF/ON Button ................................. 68
15.2 Remote Control Button.............................. 69
16. Troubleshooting Guide................................... 70
16.1 Refrigeration Cycle System....................... 70
16.2 Breakdown Self Diagnosis Function.......... 72
16.3 Error Code Table ....................................... 73
16.4 Self-diagnosis Method............................... 75
17. Disassembly and Assembly Instructions ... 104
17.1 CS-E7NK CS-E9NK CS-E12NK
CS-E15NK ............................................... 104
17.2 CS-E18NK ............................................... 108
17.3 Outdoor Electronic Controller Removal
Procedure ................................................ 112
18. Technical Data ............................................... 114
18.1 Operation Characteristics........................ 114
18.2 Sensible Capacity Chart.......................... 134
19. Exploded View and Replacement Parts
List .................................................................. 136
19.1 Indoor Unit ............................................... 136
19.2 Outdoor Unit ............................................ 142