CS-E7JKDW, CU-E7JKD, CS-E9JKDW, CU-E9JKD, CS-E12JKDW, CU-E12JKD, CS-E15JKDW, CU-E15JKD, CS-XE9JKDW, CU-XE9JKD, CS-XE12JKDW, CU-XE12JKD - Panasonic Air Conditioner Service Manual (repair manual). Page 2

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3 Features ------------------------------------------------------------ 23
4 Location of Controls and Components ------------------ 24

4.1. Indoor Unit ------------------------------------------------- 24
4.2. Outdoor Unit ----------------------------------------------- 24
4.3. Remote Control ------------------------------------------- 24

5 Dimensions ------------------------------------------------------- 25

5.1. Indoor Unit ------------------------------------------------- 25
5.2. Outdoor Unit ----------------------------------------------- 26

6 Refrigeration Cycle Diagram -------------------------------- 27

6.1. CU-E7JKD  CU-E9JKD  CU-E12JKD  CU-

XE9JKD  CU-XE12JKD--------------------------------- 27

6.2. CU-E15JKD------------------------------------------------ 28

7 Block Diagram --------------------------------------------------- 29

7.1. CU-E7JKD  CU-E9JKD  CU-E12JKD  CU-

XE9JKD  CU-XE12JKD--------------------------------- 29

7.2. CU-E15JKD------------------------------------------------ 30

8 Wiring Connection Diagram --------------------------------- 31

8.1. Indoor Unit ------------------------------------------------- 31
8.2. Outdoor Unit ----------------------------------------------- 32

9 Electronic Circuit Diagram----------------------------------- 34

9.1. Indoor Unit ------------------------------------------------- 34
9.2. Outdoor Unit ----------------------------------------------- 35

10 Printed Circuit Board ------------------------------------------ 37

10.1. Indoor Unit ------------------------------------------------- 37
10.2. Outdoor Unit ----------------------------------------------- 40

11 Installation Instruction ---------------------------------------- 42

11.1. Select the Best Location ------------------------------- 42
11.2. Indoor Unit ------------------------------------------------- 43
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) ------------------------------ 52
12.7. Powerful Mode Operation ------------------------------ 53
12.8. Timer Control---------------------------------------------- 53
12.9. Auto Restart Control------------------------------------- 53

12.10. Indication Panel------------------------------------------- 54

12.11. Patrol Operation ------------------------------------------ 54

12.12. e-ion Operation ------------------------------------------- 57
12.13. Mild Dry Cooling Operation ---------------------------- 59

13 Operation Control (For Multi Split Connection)------- 60

13.1. Cooling operation ---------------------------------------- 60
13.2. Soft Dry Operation --------------------------------------- 60
13.3. Heating Operation---------------------------------------- 60
13.4. Automatic Operation------------------------------------- 60
13.5. Indoor Fan Motor Operation --------------------------- 61
13.6. Powerful Mode Operation ------------------------------ 61
13.7. Auto restart control--------------------------------------- 61
13.8. Indication Panel------------------------------------------- 61
13.9. Mild Dry Cooling Operation ---------------------------- 61

14 Protection Control ---------------------------------------------- 62

14.1. Protection Control For All Operations --------------- 62
14.2. Protection Control For Cooling & Soft Dry

Operation--------------------------------------------------- 64

14.3. Protection Control For Heating Operation --------- 65

15 Servicing Mode -------------------------------------------------- 66

15.1. Auto OFF/ON Button ------------------------------------ 66

15.2. Remote Control Button --------------------------------- 67

16 Troubleshooting Guide --------------------------------------- 68

16.1. Refrigeration Cycle System --------------------------- 68
16.2. Breakdown Self Diagnosis Function ---------------- 70
16.3. Error Codes Table --------------------------------------- 71
16.4. Self-diagnosis Method---------------------------------- 73

17 Disassembly and Assembly Instructions ------------- 103

17.1. Indoor Electronic Controllers, Cross Flow Fan

and Indoor Fan Motor Removal Procedures----- 103

17.2. Outdoor Electronic Controller Removal

Procedure------------------------------------------------- 107

18 Technical Data -------------------------------------------------- 109

18.1. Operation Characteristics ---------------------------- 109
18.2. Sensible Capacity Chart ------------------------------ 125

19 Exploded View and Replacement Parts List---------- 126

19.1. Indoor Unit------------------------------------------------ 126
19.2. Outdoor Unit --------------------------------------------- 129